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Cell suspension cultures for the production of antioxidant phenolic compounds: experiments with tropical highland blackberry (Rubus adenotrichos Schltdl. cv. Vino)

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Abstract

Tropical highland blackberries (Rubus adenotrichos Schltdl. cv. Vino) fruits have shown high antioxidant content, including some of the highest known dietary concentrations of ellagitannins, and greater polyphenol accumulation in leaves and stems relative to the fruits. This study aimed to generate a methodology to obtain and quantify antioxidant phenolic compounds from leaf-derived blackberry calli and cellular suspensions. Friable calli and disaggregate cell suspensions were successfully obtained from leaf segments. The effects of three different flask-capping assemblies and six different culture media on blackberry cell culture kinetics was evaluated, as well as total polyphenol concentration, antioxidant capacity, and vanillin and ellagic acid content. The highest yields in terms of biomass (cell viability and fresh weight) were obtained when using homemade cotton plugs for closing the cell suspension flasks, while the Gamborg culture medium supplemented with 20 mg/L of L-glutamine, 200 mg/L of hydrolyzed casein, 5 mg/L of BA and 1 mg/L of IBA promoted a greater accumulation of total polyphenols, a greater antioxidant capacity and presented the highest concentration of vanillin and ellagic acid equivalents. These results correspond to the first bioactive compound quantification and optimization of the tropical highland blackberry cells culture growth conditions, and even though they results are lower than those reported by previous research studies using the fruit or their juice, they are comparable to the ones obtained from cell cultures of other berries.

Key message

This study allowed the establishment of blackberry calli and cell cultures with relatively high phenolic content and antioxidant activity.

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Fig. 1

Data Availability

The data are available from the corresponding author on reasonable request.

Abbreviations

2,4-D:

2,4-dichlorophenoxyacetic acid

ANOVA:

Analysis of variance

BA:

6-benzyladenine

DPPH 2:

2-Diphenyl-1-picryhydrazyl

DW :

Dry weight

DWC:

Dry weight cells

FW:

Fresh weight

GAE:

Gallic acid equivalents

GLM:

General lineal model

IBA:

Indole-3-butyric acid

KN :

Kinetin

MS :

Murashige and Skoog basal medium

NAA:

1-Naphthaleneacetic acid

r2 :

Coefficient of determination

ROS :

Reactive oxygen species

rpm :

Revolutions per minute

TE :

Trolox equivalents

Trolox:

6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid

UHPLC-DAD:

Ultra High Performance Liquid Chromatographic-Diode Array Detection

References

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Funding

This work was funded by Instituto Tecnológico de Costa Rica (Project 1510121).

Author information

Authors and Affiliations

Authors

Contributions

All authors contributed to the study’s conception and design. The preparation of material, assay execution and the data analysis were performed by Alexander Schmidt-Durán. Carlos Alvarado-Ulloa maintained the calli and the cellular suspensions, Laura A. Calvo-Castro performed the UHPLC-DAD analysis. Oscar Acosta-Montoya and Mario Rodríguez-Monroy provided counseling throughout the research. The first draft of the manuscript was written by Alexander Schmidt-Durán and Laura A. Calvo-Castro, and all authors read and approved the final manuscript.

Corresponding author

Correspondence to Alexander Schmidt-Durán.

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Conflict of interest

The authors have no financial or non-financial interests to disclose.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

Additional information

Communicated by Konstantin V. Kiselev.

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Schmidt-Durán, A., Calvo-Castro, L.A., Alvarado-Ulloa, C. et al. Cell suspension cultures for the production of antioxidant phenolic compounds: experiments with tropical highland blackberry (Rubus adenotrichos Schltdl. cv. Vino). Plant Cell Tiss Organ Cult 152, 669–676 (2023). https://doi.org/10.1007/s11240-022-02428-9

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  • DOI: https://doi.org/10.1007/s11240-022-02428-9

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