Method of quantitative determination of total flavonoids in the flowers of Acer tataricum L.
- Authors: Khozinova K.R.1, Kurkin V.A.1
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Affiliations:
- Samara State Medical University
- Issue: Vol 25, No 4 (2025)
- Pages: 80-85
- Section: PHARMACEUTICAL CHEMISTRY, PHARMACOGNOSY
- URL: https://journal-vniispk.ru/2410-3764/article/view/363647
- DOI: https://doi.org/10.35693/AVP688854
- ID: 363647
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Abstract
Aim – to develop a methodology for the quantitative determination of the amount of flavonoids in the flowers of the Tatar maple.
Material and methods. The flowers of the Tatar maple (Acer tataricum L. family, maple trees (Aceraceae) harvested in the Samara region, in the Dubki forest area. Direct spectrophotometry and differential spectrophotometry at wavelength of 412 nm in terms of rutin equivalent were used as research methods.
Results. A comparative study of the UV spectra of water-alcohol extracts from Tatar maple flowers and rutin solution showed that in both cases there was a bathochromic shift in the long-wavelength region of the UV spectra in the presence of AlCl3 at 412 ±2 nm, which is typical for rutin. The developed technique is based on the complexation reaction of flavonoids with aluminum chloride (AlCl3) using rutin and an analytical wavelength of 412 nm as a standard sample. Extraction conditions were optimized for the quantitative determination of flavonoid compounds: 70% ethanol was used as an extractant, and the ‘raw material: extractant’ ratio was 1:50, the extraction duration was 45 minutes when heated in a water bath with a reverse refrigerator.
Conclusion. It was found that the amount of flavonoids in terms of rutin in the flowers of the Tatar maple, collected in the Samara region, varies from 1.89 ± 0.05% to 2.01 ± 0.05%. The error of a single determination with a 95% confidence probability is ± 1.67%.
Keywords
About the authors
K. R. Khozinova
Samara State Medical University
Email: kamilahozinova@gmail.com
ORCID iD: 0009-0007-8581-8563
postgraduate student of the Department of Pharmacognosy with Botany and the basics of Phytotherapy
Russian Federation, SamaraV. A. Kurkin
Samara State Medical University
Author for correspondence.
Email: v.a.kurkin@samsmu.ru
ORCID iD: 0000-0002-7513-9352
Dr. Sci. (Pharmacy), Professor, Head of the Department of Pharmacognosy with Botany and the basics of Phytotherapy
Russian Federation, SamaraReferences
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