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An overview of Ethnomedicinal plants of Uzbekistan Olim K. Khojimatov, Dilovar T. Khamraeva, Alisher N. Khujanov and Rainer W. Bussmann Databases and Inventories Abstract Background: The Flora of Central Asia is extremely rich, with about 9800 species of vascular plants. Uzbekistan, with over 4500 species, has a central position in the region, and is regarded as one of the main centers of medicinal plants diversity, in particular because of its high percentage of local endemism. About 600 species of medicinal plants have been documented in Uzbekistan for the treatment of numerous diseases, many of them endemic. These plants are still used for the medicinal traits in industrial scale as well as by local tabibs (local practitioner). Methods: During research, semi-structured interviews were conducted with tabibs, elders and herders with experience in healing by using medicinal plants. During expedition visits, herbarium material and samples of medicines from vegetative raw materials were collected. Collected materials were determined using local floristic monographs and herbarium vouchers. Results: During fieldwork, we recorded 117 medicinal plants belonging to 45 families and 94 genera, used widely for the treatment of various diseases. Traditional practitioners prepared the plants mostly as extract, decoction, powder, bathing and sometimes used them fresh. Extract and decoction were generally preferred, and the preparations were normally made fresh just before use. Some of the encountered plants are now also used by private entrepreneurs for the production of herbal medicines for various purposes. Conclusions: Our results show that despite the achievements of modern allopathic medicine, the population in Uzbekistan continues to actively use wild medicinal plants for health purposes. The wide availability of medicinal plants, low costs, and perceived efficacy contribute to popularization of traditional medicine. Keywords: Ethnobotany; ethnopharmacology; medicinal plants; Uzbekistan; Central Asia. Correspondence Olim K. Khojimatov1*, Dilovar T. Khamraeva1, Alisher N. Khujanov1, Rainer W. Bussmann2 1 Institute of Botany, Academy of Science of the Republic of Uzbekistan, 100125, Durmon Yoli str., 32, Tashkent, Uzbekistan 2 Institute of Botany, Department of Ethnobotany, Ilia State University, 0105 Botanikuri St., 0105 Tbilisi, Georgia * Corresponding Author: olimchik@mail.ru Ethnobotany Research & Applications 20:08 (2020) Xulosa Ma'lumot: O'rta Osiyo florasi juda boy bo'lib, 9800 ga yaqin yursak o'simliklari mavjud (Xasanov 2015). 4500 dan ortiq turga ega bo'lgan O'zbekiston mintaqada markaziy mavqega ega va dorivor o'simliklar xilma-xilligining asosiy markazlaridan biri hisoblanadi, qisman uning mahalliy endemizm darajasi juda yuqori. O'zbekistonda ko'plab kasalliklarni davolash uchun dorivor o'simliklarning 600 ga yaqin turi hujjatlashtirilgan, ularning ko'plari endemikdir. Ushbu o'simliklar hanuzgacha sanoat miqyosida dorivor xususiyatlari uchun mahalliy amaliyotchilar tomonidan qo'llaniladi. Usullari: Tadqiqot davomida dorivor o'simliklardan foydalangan holda davolash tajribasiga ega bo'igan tabiblar, oqsoqollar va cho'ponlar bilan intervyu o'tkazildi. Ekspeditsiya safarlari davomida gerbariy materiallari va o'simlik xom ashyosidan olingan dorilar namunalari to'plangan. To'plangan materiallar mahalliy floristik monografiyalar, o'simliklar Manuscript received: 03/03/2020 – Revised manuscript received: 12/06/2020 - Published: 21/06/2020 http://dx.doi.org/10.32859/era.20.08.1-19 2 aniqlagichlari va gerbariy namunalari yordamida aniqlandi. Natijalar: Ushbu maqolada ko'p yillik etnobotanik tadqiqotlar natijalari tahlil qilingan bo'lib, unda O'zbekistonda an'anaviy tibbiyotda yovvoyi o'simliklarning 100 dan ortiq turlariqo'llanilishi hamda ulardan hozirda xususiy tadbirkorlar tomonidan turli maqsadlarda ishlatiladigan dorivor preparatlar ishlab chiqarishda foydalanilishi keltirilgan. Xulosa: Bizning natijalarimiz zamonaviy ilmiy tibbiyotda erishilgan yutuqlarga qaramay, O'zbekiston aholisi yovvoyi dorivor o'simliklardan davolanish uchun faol foydalanishda davom etishini ko'rsatdi. Bunda dorivor o'simliklar ta’sir darajasini keng qamrovligi, tabiiyligi va arzonbopligi an'anaviy tibbiyotni ommalashtirishga yordam beradi. Kalit so'zlar: Etnobotanika; etnofarmakologiya; dorivor o'simliklar; O'zbekiston; O'rta Osiyo. Background There are some regions in the world that have been very important for the development of human civilization. Central Asia - the region between the Caspian Sea and Siberian Altay Mountains, features prominently among them. According to Nicolai Vavilov (Vavilov 1992), Central Asia is one of the eight centers of origin and diversity of cultivated plants. Many domestic species originated from this region, including apples, dwarf wheat, lentils, and garlic. Many wild relatives of onion, apple, spinach, and almond, to name a few, still grow there along with other wild relative species of crops. The region was and is still botanically extremely rich and has a lot of promising economic and ornamental plants that have not yet been explored or introduced into international horticulture. Central Asia includes five countries of the former Soviet Union: Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan. The long isolation of these countries, both from one another and from the world, has prevented them from undertaking a coordinated, regional approach toward understanding and conserving their interrelated floras. Central Asia extends 1300 km from north to south and 2400 km from west to east. The large Turanian Lowland forms the northern part of the region. It gradually rises in the southeastern part to high mountain borders. Large areas are occupied by deserts and by high mountains, including the Tien Shan and Pamir-Alay which harbor numerous plateaus that range from 3700 to over 5000 m. Fittingly, Pamir means “roof of the World” in the Tajik language. The Flora of Central Asia is extremely rich, with about 9800 species of vascular plants (Khassanov 2015). Uzbekistan, with over 4500 species, has a central position in the region. The southern border of the region runs along Iran, Afghanistan and China. About 600 plant species are used in traditional medicine, but only around 200 species have been phytochemically investigated, and some 150 plants species were included in the original Pharmacopoeia of Uzbekistan (Khojimatov et al. 1993). Traditional medicine in Central Asia has a long history, which began many centuries ago, but its most notable period was in the 10th - 11th centuries. Many early scientists tried to explore the secrets of folk medicines, including, Abu Raihon Beruni (973 1048) (Figure 1) and Abu Ali ibn Sino (Avicenna) (980-1037) (Figure 2), both of which contributed greatly to the early codification of herbal medicines. Avicenna was born in the territory of modern Uzbekistan, near Bukhara. He wrote 456 books, among them 62 books about medicines. The most famous part of his work is the “Canon” in 5 volumes (Ibn Sina 1982, Uzbek edition), the second volume of which was dedicated to medicinal plants, describing about 1500 drugs and almost 800 species of medicinal vascular plants. Historically Uzbek and Tajik botanists, especially in 20th century made significant contributions to develop pharmacognosy, pharmacology and phytotherapy (Khojimatov & Kobetc 1988; Khojimatov & Olloyorov 1988; Kholmatov et al. 1984). Figure 1. Abu Raykhon Beruny 3 Figure 2. Avicenna Since Uzbekistan's independence, the use of medicinal herbs in the treatment of various diseases has been significantly developed. This was facilitated by measures taken by the State in terms of popularizing the centuries-old experience of folk medicine, through the creation of the Academy of Folk Medicine of Uzbekistan, the Ibn Sina International Foundation (Avicenna), as well as the way out of the shadow of folk healers (tabibs), which in previous times was not welcome treatment by folk means. All this led to the further popularization of the traditional medicine and the local population began to use herbs more confidently. Often, herbal preparations have a wider spectrum of action compared to synthetic preparations, and, in view of their naturalness, are often more tolerable to the human body, due to less toxicity. Nowadays pharmacy chains and markets are selling medicinal plants in natureal state, as well as, extracts and tinctures, especially of popular species like Ziziphora pedicellata, Origanum tyttanthum, Matricaria chamomilla, Achillea millefolium, among others. The purpose of this work was to identify wild medicinal plants of the flora of Uzbekistan used by the local population for medicinal purposes, and to analyze and systematize the information received. Materials and Methods Classical ethnobotanical methods were used for gathering information obtained from the mountain villages of Uzbekistan and provided by the local tabibs, schoolteachers and shepherds. Participants were selected by snowball sampling and gave their prior informed consent before conducting semistructured interviews using a standard questionnaire. Plant samples were collected on walks in the fields. Ethnobotanical studies were carried out in the spring - autumn periods of 2014-2019. The Kashkadarya, Samarkand and Tashkent regions of the territory of the Republic of Uzbekistan were examined. Information was collected in mountain settlements by interviewing tabibs, elders, shepherds and other storage media, of which 9 interviewees were tabibs, 9 were elders and 7 shepherds. As a rule, representatives of the male part of the population are engaged in traditional medicine in Central Asia, as a result of which, all the respondents were men. For ethnobotanical work, we used a specially developed questionnaire to elucidate more detailed information convenient for further analysis (Khojimatov, 2008). The age of the interviewees ranged from 38 to 84 years. Interviews were conducted in Uzbek, Tadjik and Russian after receiving prior informed consent. It must also be emphasized that many tabibs are however not willing to disclose their knowledge about treatment methods and the plants used, since traditionally the experience of the healer is transmitted only to family members from generation to generation and, therefore, the recipes for preparing treatment are kept secret. All specimens have been taxonomically analyzed, and all herbarium samples are stored in the Herbarium (TASH) of the Institute of the Botany Academy of Sciences, Uzbekistan. The nomenclature of species was revised in using www.tropicos.org, and family classification follows APGIII (APG 2009). Results During fieldwork, we recorded 117 medicinal plants used widely for the treatment of various diseases (Table 1). Traditional practitioners prepared the plants mostly as extract, decoction, powder, bathing and sometimes used them fresh. Extract and decoction were generally preferred, and the preparations were normally made fresh just before use. For some plants like Issirik (Peganum harmala), the aerial part was burned, and the smoke was inhaled, for treatment and prophylactics of infectious diseases, such as influenza, as also reported by other studies (Astulla et al. 2008; Moloudizargari et al. 2013). Species had often multiple uses, and e.g. 24 medicinal species were commonly used as food (Table 1). These plants were also used for the preventive treatment of diseases such as vitamin deficiency and common cold. 4 Table 1. The most using species in traditional medicine of Middle Asia Scientific name Local name Part used Amaryllidaceae Allium karataviense Regel Piyoz bulbs Allium suworowii Regel Piyoz Ungernia sewerzowii (Regel) B. Fedtsch. Qoraqovuk Ungernia nvictoris Vved. ex Artjush. Omonqora Anacardiaceae Pistacia vera L. Rhus coriaria L. Apiaceae Elwendia persica (Boiss.) Pimenov & Kljuykov Ferula foetida Regel Heracleum lehmannianum Bunge Traditional uses Remarks Herbarium samples voucher (TASH) fresh common cold E, F bulbs fresh F bulbs, leaves bulbs, leaves extract skin diseases, vitamin deficiency bronchitis, for treatment of wounds poliomyelitis specimen voucher K. Tojibaev, 07.06.2015. №7 specimen voucher N. Beshko,12.05.2012.№258 specimen voucher G. Khamidov, 24.05.1987. №37 specimen voucher K. Khozhimatov, 09.07.1960. №232 Pista galls extract F Tatum leaves, fruits decoction cardiac and respiratory diseases hypertension, gastric ulcer specimen voucher A. Kazakbaev, 09.06.1986. №136 specimen voucher M. Nabiev, 03.06.1972. №405 Zira seeds decoction F Sassiq kovrak Boldirgan gum stomach, cardiac diseases for wounds, diabetes, tuberculosis dental and skin diseases, convulsion liver and gall-bladder diseases, rheumatism, nephritis, eczema (Kurimoto et al., 2011; Khojimatov et al., 2015) external for skin diseases specimen voucher G. Gaffarov, 27.07.1986. №5335 specimen voucher N. Beshko, 05.05.2011. №005 specimen voucher M. Nabiev, 31.05.1980. № 502 specimen voucher A. Pyatayeva, 14.07.1976.№2 headache, cardiac diseases external for wounds E,T Mediasia macrophylla (Regel et Schmalh.) Pimenov Alqoruti leaves, roots a. p. Prangos pabularia Lindl. Shashir a. p. Apocynaceae Vinca erecta Regel & Schmalh. Barigul whole, plants Forms of preparation extract fresh, extract extract fresh, extract extract decoction powder Araceae E E E, F specimen voucher M. Nabiev, 31.05.1980. №515 specimen voucher E. Korotkova, 26.06.1967. №1163. 5 Acorus calamus L. Igir rhizome powder extract liver cancer diuretic, tonic for central nervous system specimen voucher N. Naralieva, 30.05.2015.№56 Asteraceae Achillea filipendulina Lam. Dastarbosh a. p. extract stomach diseases Achillea millefolium L. Buymadaron a.p. extract stomach diseases Arctium tomentosum Mill. Qarikiz Artemisia absinthium L. Erman leaves, roots a.p. Artemisia dracunculus L. Sherolgin a.p. Bidens tripartita L. Ititkanak leaves bath Centaurea cyanus L. Butakuz flowers decoction fever Centaurea. depressa M. Bieb. Bulakuz flowers decoction common cold Cichorium intybus L. Sachratki roots decoction cardiac diseases Helichrysum maracandicum Popov ex Kirp. Inula macrophylla Kar. & Kir. Ulmasut flowers decoction Sariqandiz roots extract Inula helenium L. Qoraandiz roots extract Onopordum acanthium L. Oqqarak a.p. decoction Rhaponticum integrifolium C. Winkl. Levzeya roots extract liver and gall-bladder diseases intestinal diseases, laxative blood coagulant, laxative astma, cought, high blood pressure as a tonic, diabetes Tanacetum pseudachillea C. Winkl. Dastarbosh a.p. decoction Taraxacum officinale (L.) Weber ex F.H. Wigg. Koki leaves, roots specimen voucher A. Yuldashev, 01.06.1987. №12 specimen voucher A. Egamberidev, 14.06.2001.№64 specimen voucher Yu. Grigoriev, 06.07.1959. № 32. specimen voucher K. Djabbarov, 23.07.1983. №530 specimen voucher K. Toyjanov, 14.07.1996. №101 specimen voucher S. Sokhobiddinov, 09.06.1949. №1849 specimen voucher O. Turginov, 10.07.2012. №87 specimen voucher T. Makhkamov, 25.04.2006.№26 specimen voucher T. Makhkamov, 01.05.2005. №8. specimen voucher A. Khujanov, 03.07.2018. №38 specimen voucher M. Nabiev, 23.07.1988. №174 specimen voucher M. Nabiev, 18.06.1980. №108 specimen voucher E. Kortokova, 25.06.1978. №229 specimen voucher I. Raikova,01.09.1987.№1535 specimen voucher I. Khamidhodjaev, 25.07.1973.№78 specimen voucher S. Kovalevskaya, 14.04.1961. №45 decoction extract extract extract rheumatism, external skin diseases liver, kidney, sleeplessness stomach diseases skin diseases laxative diuretic, laxative, liver diseases E 6 Tussilago farfara L. Oqqaldirmoq a.p. Xanthium strumarium L. Guzatkon fruits, leaves Berberidaceae Berberis integerrima Bunge Zirk bark decoction Berberis oblonga (Regel) C.K. Schneid. Qorazirak fruits extract Brassicaceae Capsella bursa-pastoris (L.) Medik. Jagjag a. p. decoction blood coagulant Dugboy a. p. decoction liver, nausea, skin rash Kovar Roots extract fruits Yetmak Campanulaceae Codonopsis clematidea (Schrenk ex Fisch. & C.A. Mey.) C.B. Clarke Capparaceae Capparis spinosa L. decoction extract asthma, cough specimen voucher O. Turginov, 23.04.2012. specimen voucher R. Yesemuradova, 16.05.2010. №0214. dysentery, wounds liver and kidnes chseascs rheumatism, bruise and wounds F F specimen voucher M. Nabiev, 25.05.1978. №758 specimen voucher H. Mirzakarimova, 16.06.2008. №201 specimen voucher E. Sulaymonov, 23.05.2006. №2 E specimen voucher K. Tojibaev, 11.06.2004. №56 specimen voucher L. Botirova, 01.10.2010. №32 decoction rheumatism, liver diseases jaundice, diabetes roots extract bronchitis, cough specimen voucher K. Toyjanov, 24.07.1996. №118 Itsigak shoots extract Salsola richteri (Moq.) Kar. ex Litw. Cherkez a.p. extract lung tuberculosis, asthma hypertension, headache (Pak et al., 2019) Convolvulaceae Convolvulus arvensis L. Quypechak leaves, roots a.p. extract laxative, wounds Caryophyllaceae Allochrusa gypsophiloides (Regel) Schischk. Chenopodiaceae Anabasis aphylla L. Convolvulus subhirsutus Regel & Schmalh. Ming bosh decoction convulsion, asthma T T specimen voucher K. Buriev, 17.10.1974.№95 specimen voucher U. Pratov, 18.05.1976. №584 specimen voucher E. Abdullajanov, 2.7.1974. №214 specimen voucher N. Beshko, 16.07.2012. №264 7 Crassulaceae Rhodiola heterodonta (Hook. f. & Thoms.) Boriss. Cupressaceae Juniperus polycarpos var. seravschanica (Kom.) Kitam. Junioperus pseudosabina Fisch. & C.A.Mey.= J. turkestanica Kom. Elaeagnaceae Elaeagnus angustifolia L. Oltin ildiz roots ethanol tonic, impotence Archa fruits extract Urik archa fruits extract kidney, liver, urinary bladder diseases rheumatism Jiyda extract bruise and wounds, F uterine cervical erosion, for burn F Hippophae rhamnoides L. Chakanda leaves, fruits fruits Ephedraceae Ephedra equisetina Bunge Togqizilcha shoots extract Ephedra intermedia Schrenk & C.A. Mey. Qizilcha shoots extract Euphorbiaceae Euphorbia jaxartica Prokh. Sutlama latex fresh Fabaceae Alhagi pseudalhagi Desv. Yantoq a.p. decoction Astragalus eximius Bunge Aslragal a.p. extract cough Astragalus sieversianus Pall. Pahtak a.p. extract Cullen drupaceum (Bunge) C.H. Stirt. Oqqurai powder Glycyrrhiza glabra L. Shirinmiya leaves, roots roots epilepsy, nervous system diseases eczema, prolapsed Melilotus officinalis (L.) Lam. Qashqar beda a.p. oii decoction extract T specimen voucher V. Titov, 10.08.1932.№132. specimen voucher V. Titov, 10.08.1932.№127. common cold, gastric ulcer, diabetes bronchial asthma, rheumatism wart and corn fever, diuretic, cough cardiac and respiratory diseases laxative, cough specimen voucher I. Levichev, 17.06.1980. №90 specimen voucher H. Khaydarov, 12.06.2018. №56 specimen voucher H. Khaydarov, 12.06.2018. №12 specimen voucher K. Borlev, 28.05.1981. №377 specimen voucher U. Pratov, 14.05.1975. №54 E, T specimen voucher I. Maltsev, 18.07.1987. №sn specimen voucher T. Makhkamov, 15.07.2008. №241 specimen voucher M. Nabiev, 25.05.1980. № 145 specimen voucher U. Pratov, 22.05.1976 №636 specimen voucher A.Kuziev, 15.06.2006. №52 specimen voucher O. Turginov, 13.06.2011. №0062 specimen voucher T. Makhkamov,06.07.2006.№312 8 Thermopsis alterniflora Regel & Schmalh Afsonak a.p. extract bronchitis, pneumonia T Thermopsis lanceolata R. Br. Afsonak a.p. extract bronchitis, pneumonia T Grossulariaceae Ribes nigrum L. Qorakat fruits fresh, decoction gastric ulcer, common cold F Hypericaceae Hypericum elongatum C.A. Mey. Dalachoi a.p. decoction Hypericum scabrum L. Choiut a.p. decoction Hypericum perforatum L. Qizil-poicha a.p. decoction blood coagulant, antiseptic cough, bruise and wounds stomach and gallbladder diseases Juglandaceae Juglans regia L. Yongoq leaves extract Leontice ewersmannii Bunge Ersovun tubers extract diabetes, skin tuberculosis laxative, diuretic Thalictrum foetidum L. Sanchikut a.p. extract hypertension Thalictrum isopyroides C.A. Mey. Sanchikut roots extract malaria, jaundice, tuberculosis Lamiaceae Dracocephalum komarovii Lipsky Buzbosh a. p. extract Hyssopus seravschanicus (Dub.) Pazij Kukut a. p. extract Lagochilus inebrians Bunge Bozulbang decoction Leonurus turkestanicus V.I. Krecz. & Kupr. Melissa officinalis L. Buyrakchoi Limon-ut flowers, leaves whole plants a.p. extract high blood pressure (Uchiyama et al., 2006) cough, bronchitis, asthma blood coagulant, hypertension neuro - cardiac diseases, diabetes anemia, asthma Mentha asiatica Boriss. Yalpiz a. p. decoction against nausea, cough ethanol specimen voucher R. Halmukhamedova, 19.06.1975. №69 specimen voucher K. Toyjanov, 17.09.1978. №5269. specimen voucher O. Turginov, 29.09.2006.№231 specimen voucher H. Esankulov, 26.06.2010. №265 specimen voucher A. Egamberdiev,11.06.2001.№153 specimen voucher A. Egamberdiev,11.06.2001.№203 F specimen voucher M. Tulaganova, 10.08.1972. specimen voucher R. Yesemuratova,12.05.2009.№0169. specimen voucher A. Pyatayeva, 07.1966. №2091 specimen voucher E. Korovin, 07.1939. №544. E specimen voucher T. Khudaiberdiev, 30.07.1967.№234 specimen voucher K. Djumaev, 25.07.1972. №23 specimen voucher N. Beshko, 22.07.2007. № 7068 specimen voucher N. Beshko, 20.07.2009. № 9032 specimen voucher G. Khamidov, 25.06.1973. №37 specimen voucher U. Pratov, 24.06.1996. №512 E E 9 Origanum tyttanthum Gontsch. Tograihon a.p. Salvia sclarea L. Mavrak flowers extract oro-dental diseases Stachys betoniciflora Rupr. Togqudusi a. p. extract menstrual disorders, neurosis E Ziziphora pedicellata Pazij & Vved. Qiyiq-ut a.p. extract for gall-bladder stones, hypertension E roots extract roots extract hydropsy, inflammation of urinary, bladder hypertension F Asparagus persicus Baker Dorivor sarsabil Sarsabil Malvaceae Althaea armeniaca Ten. Gulhairi roots decoction respiratory diseases Dorivor gulhairi roots decoction respiratory and stomach diseases Moraceae Ficus carica L. Anjir Morus alba L. Tut Morus nigra L. Qoratut leaves, fruits leaves, bark fruits leaves, bark Fruits Liliaceae Asparagus officinalis L. Althea officinalis L. decoction fresh, extract laxative, diuretic decoction skin diseases, common cold diuretic, hypertension fresh decoction stomach disorders hypertension fresh stomach disorders E specimen voucher G. Goipova, 04.07.1961. № 340. specimen voucher I. Makhmedov, 26.06.1978.№41 specimen voucher R. Kholmukhamedova, 20.06.1975. №32. specimen voucher L. Botirova, 01.05.2006. №164 specimen voucher N. Beshko, 18.07.2015. .№118 specimen voucher M. Sovetkina, 1.08.1945. №500 specimen voucher K. Toyjanov, 22.08.1960.№148 specimen voucher M. Abdullaev, 28.07.1968.№2 F F F specimen voucher O. Khassanov, 30.07.1959. №56 specimen voucher A. Butkov, 15.05.1955. №69 specimen voucher O. Khassanov, 30.07.1959. №45 Onagraceae Epilobium angustifolium L. Bargchoi a.p. decoction gastric ulcer, inflammation of throat specimen voucher U. Pratov, 05.2001. №146 Orchidaceae Dactylorhiza umbrosa Kar. & Kir.) Nevski Salib tubers decoction cough, impotence specimen voucher F. Karimov, 07.06.2011. №5 10 Papaveraceae Fumaria vaillantii Loisel. Shotara a.p. Papaver pavoninum C.A. Mey. Qizgaldak flowers Roemeria refracta DC. Qizgaldok flowers Plantaginaceae Gratiola officinalis L. Safrouti a.p. Plantago major L. Bakayaprok leaves extract Plantago lanceolata L. Bargizub leaves extract Polygonaceae Polygonum aviculare L. Qushtili a.p. decoction P. coriarium Grig. Toron roots extract dysentery, diarrhea E Persicaria hydropiper (L.) Delarbre Suv qalampir a.p. extract Rheum maximowiczii Losinsk. Ravoch roots extract malaria, blood coagulant diarrhea, malaria E,F Punicaceae Punica granatum L. Anor bark, fruits extract Ranunculaceae Adonis turkestanica (Korsh.) Adolf Sank gul a.p. Delphinium semibarbatum Bien. ex Boiss. Isparak Rhamnaceae Rhamnus cathartica L. Ziziphus jujuba Mill. decoction, bath menstrual disorders as bath for skin diseases specimen voucher D. Jamalova, 05.06.2006. extract cough, common cold extract skin rash, fever specimen voucher R. Khalkuziev, 24.05.1966. №108 specimen voucher A. Ibragimov, 05.06.2006. decoction diuretic, jaundice T cough, external for wounds asthma, cough, external for wounds blood coagulant specimen voucher V. Pasius, 18.05.1932. №73. specimen voucher N. Beshko, 18.07.1994. №62 specimen voucher U. Pratov, 24.06.1996.№134 specimen voucher T. Sarybaev, 08.06.1970. №43 specimen voucher A. Ibragimov, 25.05.2006. №192 specimen voucher M. Nabiev, 31.07.1954.№472 specimen voucher A. Li, 16.06.1960.№27 stomach diseases, laxative F specimen voucher S. Chevrenidi, 18.08.1955. №503 decoction cardiac diseases E, T a.p. decoction tonsillitis T specimen voucher O. Turginov., 11.05.2012.№314 specimen voucher A. Batashov, 05.05.2012.№211 Togjumrut fruits extract F Unabi fruits fresh, extract cancer, skin and stomach diseases anemia, asthma, kidney, liver diseases F specimen voucher T. Adylov, 09.07.1972. №19 specimen voucher K. Toyjanov, 19.09.1998. №265 11 Rosaceae Amygdalus communis L. Bodom oil, seeds fresh asthma, cough, anemia A. spinosissima Bunge Bodomcha seeds fresh anemia Crataegus pontica Koch Dulana flowers fruits ethanol decoction Crataegus turkestanica Pojark. Dulana Potentilla anserina L. Ak-dana flowers fruits a.p. ethanol decoction extract Rubus idaeus L. Parmanchak fruits decoction Rosa canina L. Itburun fruits decoction Rosa fedtschenkoana Regel Namatak fruits extract Sorbus tianschanica Rupr. Chetani fruits Spiraea hypericifolia L. Tobulgi whole plant Rubiaceae Rubia tinctorum Lapeyr. Ruyan rhizome Rutaceae Dictamnus albus L. Togturbid Saxifragaceae Bergenia ugamica V.N. Pavlov Scrophulariaceae Verbascum songaricum Schrenk F specimen voucher U. Pratov, 02.09.2005.№281 specimen voucher K. Toyjanov, 07.07.2006.№451 specimen voucher N. Beshko, 15.09.2012.№213 cardiac diseases, hypertension, sleeplessness cardiac diseases, hypertension hemorrhage F common cold, cough, fever fever, stomach disorders vitamin deficiency F fresh, extract vitamin deficiency F decoction stomach disorders, vermifuge specimen voucher A. Gazybaev, 12.07.1991.№344 specimen voucher U. Pratov, 01.05.2002. №189 specimen voucher A. Egamberdyev, 11.06.2001. №211 specimen voucher K. Tojibaev, 19.07.2009. №245 specimen voucher A. Egamberdyev, 13.06.2001.№95 specimen voucher U. Pratov, 02.09.2005.№281 specimen voucher K. Toyjanov, 07.07.2006.№451 extract diuretic, dissolve kidney stones specimen voucher T. Adylov, 05.07.1957. №582. whole plant extract epilepsy, jaundice, snake bite specimen voucher I. Maltsev, 10.09.1998. №127 Badan roots decoction menstrual disorders, immuno-stimulant Sigir kuyruk flowers decoction cough, external for wounds E,F E specimen voucher I. Maltsev, 10.09.1998. №127 specimen voucher L. Nazarenko, 27.06.1970. №185 12 Solanaceae Datura stramonium L. Bangidevona leaves extract Hyoscyamus niger L. Mingdevona leaves extract Urticaceae Urtica dioica L. Gazanda ut leaves extract blood coagulant, vitamin deficiency Zygophyllaceae Peganum harmala L. Issiriq a.p. smoke, bath, decoction influenza, malaria, as bath for itching Legend: E — Endemic plants, F — Food, T — Toxic external use only for rheumatism external use only for rheumatism T T specimen voucher H. Esanov, 12.05.2006. №82. specimen voucher R. Khalkuziev, 02.06.1984. №99 specimen voucher H. Esanov, 17.07.2009. №405 T specimen voucher L. Botirova, 06.2010. №512 13 Taxonomically the 117 species belonged to 45 families and 94 genera. The families which were more frequently used are shown in Table 2. Medicinal plants from Amaryllidaceae, Asteraceae, Lamiaceae and Rosaceae are prevailing in usage in Central Asia (Keusgen et al. 2006.; Ryabushkina et al. 2008; Sakhobiddinov 1948; Sharopov et al. 2015). Local people interviewed in Uzbekistan (Table 3) were using traditional remedies mainly for the treatment of respiratory, gastrointestinal and liver diseases. Medicinal plants used to treat cancer still are a very recent emergence. Table 2. The most using plant families of medicinal plants Family Amaryllidaceae Apiaceae Asteraceae Fabaceae Juglandaceae Lamiaceae Polygonaceae Rosaceae Total Genera 2 5 14 6 6 10 2 7 52 Species 4 5 18 8 4 10 4 10 63 % 3,42% 4,27% 15,38% 6,84% 3,42% 8,55% 3,42% 8,55% 53,85% Table 3. Rank-ordered list of folk remedies according to group of ailments employed for the treatment Diseases Genera Species % 11 3 12 6 21 12 6 17 9 2 22 30 151 12 3 12 6 23 12 6 19 9 2 25 34 163 7,36% 1,84% 7,36% 3,68% 14,11% 7,36% 3,68% 11,66% 5,52% 1,23% 15,34% 20,86% 100,00% Cardiovascular Oro-dental Skin Endocrine system Gastrointestinal Genital-urinary Infectious Liver Nervous system Tumours Respiratory Other Total For the most used plants in folk medicine and exportoriented species (Ungernia victoris, Ferula foetida, Helichrysum maracandicum, Capparis spinosa, Ephedra equisetina, Glycyrrhiza glabra), we assessed the current state of natural populations in the regions of the Republic of Uzbekistan. As a result of the study, we identified opportunities for the annual exploitation of wild resources, compiled GIS maps and proposed measures for sustainable use, which in the future will optimize the production of raw materials and preserve existing plant populations. The obtained data serve as the basis for further ethnobotanical research to identify original data on the use of medicinal plants in folk medicine in treatment. Established reliable data through analysis will be proposed for further in-depth study by phytochemists, pharmacologists and toxicologists, which in the future will replenish the arsenal of medicines of scientific medicine. Discussion Around 100 different nationalities live in Uzbekistan, and ethnic differences explain to some extent the wide spectrum of medicinal plant uses found. Traditional medicine has been an invaluable segment of healthcare in the past and needs to be documented to prevent the disappearance of knowledge. However, our study indicates that medicinal plant knowledge is still widespread in Uzbekistan. After mostly focusing on chemically synthesized medicines in the 20th century, the pharmaceutical industry is slowly shifting towards herbal preparations, in particular in the form of herbal supplements, and the interest in natural remedies and alternative healing methods is increasing throughout the western world. In addition, despite great advances in the chemical industry, some plant substances, e.g. the compounds found in Valerian root (Valeriana officinalis L.), or their natural combinations are unique, and yet non-replicable by synthetic chemistry. 14 Like in many regions worldwide, the population of Uzbekistan is facing the spread of cardiovascular and gastrointestinal diseases. For treatment of these diseases, people are frequently using the aerial parts of the Hypericum scabrum (Matsuhisa et al. 2002; Tanaka et al. 2004), Leonurus turkestanicus and Adonis turkestanica (Figure 3). Using samples Figure 3. Flowers of Adonis turkestanica (Korsh.) Adolf. Figure 4. Flowers of Bergenia ugamica V.N. Pavlov collected during our investigation, it was found that Bergenia ugamica (Figure 4) contains substances with immuno-stimulating activity, confirming the oral information of participants, who indicated that the root of Badan (B. ugamica) make the human body stronger to defend against diseases. 15 Several endemic species are still widely used as astringents and coagulants (e.g. Bozulbang Lagochilus inebrians). All parts of L. inebrians contain the diterpene-alcohol lagochilin, alkaloids, essential oils, tannins, resins, Ca, Mg and 20 different microelements (Co, Ti, Au), vitamins C and K, and organic acids (Kholmatov et al. 1984). Drugs prepared from Bozulbang are widely used in official public healthcare as blood coagulant, sedative for nervous diseases and for treatment various skin diseases as eczema, itching, etc. Another endemic species, naturally growing in Pamir-Alay (Hissar ridge), is Omonkora - Ungernia victoris (Figure 5). Ethnobotanical information about this plant indicates that traditionally the population is still using baked bulbs and fresh leaves for the disinfection of wounds. Local people are also still making glue from bulbs. All parts of U. victoris contain alkaloids (leaves-0,33%-1%; bulbs 0,8%0,9%, especially galantamin 0,7%-1%, licorin 0,073%, gordenin 0.039%, tatecin 0,1%, pankratin 0,15%, narvedin 0,0054%). The maximum concentration of alkaloids in U. victoris can be found in early spring. This plant also contains cumarin (0,09%), essential oils 0,12%, resins 6%, pectin 4,9%, mucus 7%, sugars 6,1% and organic acids 8,91% (Khojimatov et al. 2009). The leaves and bulbs of the plant are now used as an industrial source of the alkaloid galantamin, which is widely used in allopathic medicine for treatment of poliomyelitis and polyneuritis. Figure 5. Flowers of Ungernia victoris Vved. Another endemic species Alkoruti - Mediasia macrophilla (Figure 6) is usually added to milk or dairy products to keep them fresh. It is also used as medicine by local people in Uzbekistan. The aerial parts have been used traditionally as a perfume, an appetite enhancer, as a natural preservative, and for treatment of rheumatism, nephritis, and eczema (Kurimoto et al. 2010). Only recently Codonopsis bactriana (Figure 7) was described. This species is closely related to Tien Shan - Dzhungarian C. clematidea (Schrenk.) C.B. Clarke, which is found commonly in the Western Pamir-Alay (Uzbekistan and Tajikistan) and used by tabibs for the treatment of different kinds of liver diseases, such as hepatitis, jaundice and the first stage of liver cirrhosis. Such traditional knowledge has already found its way into the market economy. Ethnobotanical studies provided the base for the development of an original and effective “Species cholagogae Chodjimatovii,” which has been in use since 2002. This drug has shown high efficacy in the treatment of various forms of hepatitis, the initial stages of cirrhosis and diseases of the biliary tract. It was patented on 26.03.2006, No. IAP 02046, registration certificate dated September 30, 2017 No. 02/548/17 (Figure 8). Another endemic species Buzbosh – Dracocephalum komarovii (Figure 9) is a perennial spiny semi-shrub growing in the alpine zone at 30003600 m in the West Tien Shan mountain system. Local people are using aerial parts in a tea to cure various disorders such as inflammatory diseases and hypertony (Khojimatov et al. 1995; Uchiyama et al. 2003). 16 Figure 6. Mediasia macrophylla (Regel & Schmalh.) Pimenov Figure 7. Flower of Codonopsis clematidea (Schrenk) C.B. Clarke 17 Figure 8. Species cholagogae Chodjimatovii Figure 9. Dracocephalum komarovii Lipsky In order to standardize the available ethnobotanical information, the Institute of Botany (Tashkent) has developed a database containing detailed information for each plant, e.g. scientific names (accepted name and, when necessary, main synonyms), common name used in literature, and any other names commonly in use, geographical distribution, morphological description, healing properties, traditional medicinal usage and known adverse effects, information on scientifically proven and medicinally approved data, and information received from sources related to traditional medicine, including associated remedies and recipes. Conclusions Our results show that despite the achievements of modern allopathic medicine, the population of Central Asia continues to actively use wild medicinal plants for health improvement. This refutes our hypothesis that knowledge is very widely lost. The 18 decisive factors for the choice and acceptance of herbal drugs are primarily the centuries-old experiences that forms the basis of traditional medicine. This is followed by a wide range of plant effects, that, in most cases, low toxicity of plant preparations, their low cost, and easy availability. All these factors contribute to the increasing popularization of treatments with medicinal plants, both in pure form and as part of multicomponent preparations. We consider it very important to continue ethnobotanical research, covering more and more territories and involving more participants who possess unique knowledge in the field, which may in the future help to develop new effective drugs based on centuries-old experience of folk medicine. Astulla A, Zaima K, Matsuno Y, Hirasawa Y, Ekasari W, Widyawaruyanti A, Zaini NCh, Morita H. 2008. Alkaloids from the seeds of Peganum harmala showing antiplasmodial and vasorelaxant activities. Journal of Natural Medicines 62(4):470-472. Declarations Khojimatov K, Iuldoshev K, Shogulomov U, Khojimatov O. 1993. Shifobahsh giyohlar qand hastaliga malham (in Uzbek). Tashkent, Semashko Institution Press. List of abbreviations: TASH – Herbarium of the Institute of Botany Academy of Sciences, Uzbekistan. Ethnics approval and consent to participate: All participants involved in the interview process gave their prior informed oral consent. Funding: Not applicable. Availability of data and materials: The data was not deposited in public repositories but is available from the corresponding author upon request. Authors' contributions: OK Khojimatov collected and analyzed the data, drafted and developed the manuscript. DT Khamraeva searched literature, cooperated in data collection and adjusted the manuscript to the journal submission guidelines. AN Khujanov analyzed the data and structured the tables. RW Bussmann critically revised the manuscript. 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