Effect of ultrasound on the extraction of hydroxycinnamic acids from dandelion roots
- Authors: Lukashou R.I.1, Gurina N.S.1
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Affiliations:
- Educational institution "Belarusian State Medical University"
- Issue: Vol 27, No 10 (2024)
- Pages: 11-18
- Section: Pharmaceutical chemistry
- URL: https://journals.eco-vector.com/1560-9596/article/view/637324
- DOI: https://doi.org/10.29296/25877313-2024-10-02
- ID: 637324
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Abstract
Introduction. Ultrasonic extraction is widely used to accelerate the extraction of biologically active substances (BAS). Given the presence of free and bound moisture in medicinal plant raw materials (MPRM), it is rational to assume a positive effect of ultrasound on the MPRM itself in order to increase the yield of BAS.
The aim of the work is to study the effect of ultrasonic pre-treatment of dandelion roots on the yield of hydroxycinnamic acids (HCA) from them and to substantiate the feasibility of pre-treatment this MPRM to obtain tinctures.
Material and methods. The object of the study was dandelion roots. The mass fraction and composition of HCA were determined by the spectrophotometric method according to the reaction with Arnov's reagent and by high-performance liquid chromatography using standard samples, respectively.
Results. Preliminary ultrasound exposure of dandelion roots significantly increases the yield of HCA. The maximum content was determined when MPRM with a layer thickness of 2-4 cm and a particle size of 500 μm or less were exposed to ultrasound for 45 min with a frequency of 31 kHz.
The highest amount of HCA in tinctures was determined when they were obtained by fourteen-day maceration and subsequent ultrasound extraction for 15 min using 50% ethanol in a volume of 50 ml per 1 g of MPRM with a particle size of 500 μm or less.
Defatting, ultrasonic, thermal pre-treatment and their combination enrich dandelion tinctures with HCA; the greatest enrichment of tinctures with this group of BAS was observed with ultrasonic treatment and thermal treatment followed by defatting.
Conclusions. The parameters of preliminary ultrasonic pre-treatment and technological parameters for obtaining tinctures of dandelion roots were experimentally determined. It is recommended to use preliminary pre-treatment of raw materials as one of the stages of the technology for obtaining tinctures, ensuring an increase in the yield of HCA.
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About the authors
R. I. Lukashou
Educational institution "Belarusian State Medical University"
Author for correspondence.
Email: r_lukashov@mail.ru
ORCID iD: 0000-0001-9547-5372
Ph.D. (Pharm.), Associate Professor, Head of the Pharmaceutical Chemistry Department
Belarus, 83 Dzerzhinsky Ave, Minsk, 220083N. S. Gurina
Educational institution "Belarusian State Medical University"
Email: nsgur@mail.ru
ORCID iD: 0009-0009-9150-5728
Dr.Sc. (Biol.), Professor, Dean of the Pharmaceutical Faculty
Belarus, 83 Dzerzhinsky Ave, Minsk, 220083References
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