Abstract
The diversity of bioactive phytochemicals in plants of medicinal importance is the most precious gift of nature. The floral and phytochemical diversity of earth has been exploited as a primary source of life-supporting plant-derived bioactive phytochemicals to fight against common ailments and disorders in traditional-, herbal-, and ethnomedicine since the beginning of human civilization. Despite certain challenges associated with plant-derived drugs, modern medicine also is keenly interested in exploring this phytochemical diversity for the discovery of new bioactive molecules or unique templates or scaffolds for the development of novel synthetic or semi-synthetic drugs due to the inability of alternative drug discovery strategies, the huge structural diversity of plant-based therapeutic phytochemicals, their superior quality, higher curative properties with fewer adverse side effects, safety, affordability and acceptance across multiple cultures, and ethnicities in contrast to synthetic chemical drugs. Nations with a wealth of biodiversity have been an eagle’s eye for the global pharmaceutical sector to identify new therapeutic agents or develop new drugs to manage specific chronic diseases throughout the last two centuries. The discovery of new phytochemicals from medicinal plants is a complicated, challenging, and/or time-consuming scientific task, usually involving the selection and collection of biota, extraction of phytochemicals, isolation, and purification of each or targeted compound, structure elucidation and identification of innovative phytochemicals, bioactivity tests (biochemical and pharmacological tests) using various techniques according to the structural variety, and stability. A comprehensive and in-depth systematic phytoanalysis and phytopharmacological investigation of the full spectrum of phytochemical diversity of medicinal plants should be performed to achieve the dreams of plant-derived drug discovery via exploration of recent advances in technologies, instruments, and integration of different disciplines, such as ethnobotany, phytochemistry, analytical chemistry, biotechnology, genomics, transcriptomics, proteomics, metabolomics, and pharmacology. These will help to overcome challenges associated with phytochemical discovery, screening, isolation, separation, purification, detection, identification, and structural characterization in the realm of phytochemicals. Simplification in comprehensive and effective regulatory governing systems of biodiversity-rich countries for the accessibility of plant resources and techniques and conservation of threatened, endangered plants may motivate phytochemical-based drug research programs and many pharmaceutical and biotechnology companies.
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Abbreviations
- ADMET:
-
Absorption distribution metabolism excretion and toxicity
- ASE:
-
Accelerated solvent extraction
- CapNMR:
-
Capillary NMR
- CCE:
-
Counter-current extraction
- CE:
-
Capillary electrophoresis
- CETSA:
-
Cellular thermal shift assay
- DARTS:
-
Drug affinity responsive target stability
- DESI:
-
Desorption electrospray ionization
- DNA:
-
Deoxyribonucleic acid
- EAE:
-
Enzyme-assisted extraction
- FT-IR:
-
Fourier transform infrared
- GC:
-
Gas chromatography
- HPLC:
-
High-performance liquid chromatography
- HPLC-FTIR:
-
High-performance liquid chromatography-Fourier transform infrared spectroscopy
- HPTLC:
-
High-performance thin-layer chromatography
- HRMS:
-
High-resolution mass spectrometry
- HSCCC:
-
High-speed-counter current chromatography
- IR spectroscopy:
-
Infrared spectroscopy
- ITS:
-
Internal transcribed spacer
- LAESI:
-
Laser ablation electrospray ionization
- LC:
-
Liquid chromatography
- MALDI:
-
Matrix-assisted laser desorption ionization
- MS:
-
Mass spectrometry
- NIR:
-
Near-infrared
- NMR:
-
Nuclear magnetic resonance
- NPOT:
-
Nematic protein organization technique
- PEFE:
-
Pulsed electric field extraction
- QTOF:
-
Quadrupole time-of-flight
- SCAR:
-
Sequence characterized amplified region
- SFC:
-
Supercritical fluid chromatography
- SFE:
-
Supercritical fluid extraction
- SILAC-PP:
-
Stable Isotope labeling with amino acids in cell culture and pulse proteolysis
- SPE:
-
Solid-phase extraction
- TLC:
-
Thin-layer chromatography
- TPP:
-
Thermal proteome profiling
- UHPLC:
-
Ultra-high-performance liquid chromatography
- UPLC-PDA-HRMS/MS:
-
Ultra-performance liquid chromatography-photodiode array-high-resolution tandem mass spectrometry
- UV:
-
Ultraviolet
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Acknowledgements
SJ is thankful to the National Academy of Sciences (NASI, Allahabad, India) for the NASI Senior Scientist Fellowship award. MH gratefully acknowledges the Principal of Barasat Government College, Kolkata, India, for the continuous support and encouragement in research activities.
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Halder, M., Jha, S. (2023). Medicinal Plants and Bioactive Phytochemical Diversity: A Fountainhead of Potential Drugs Against Human Diseases. In: Jha, S., Halder, M. (eds) Medicinal Plants: Biodiversity, Biotechnology and Conservation. Sustainable Development and Biodiversity, vol 33. Springer, Singapore. https://doi.org/10.1007/978-981-19-9936-9_2
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