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[Phenolic compounds in medicinal plants].

M P Kolesnikov¹, V K Gins

¹Bach Institute of Biochemistry, Russian Academy of Sciences, Leninskii pr. 33, Moscow, 117071 Russia. inbio@online.ru

Prikladnaia Biokhimiia I Mikrobiologiia

|September 4, 2001

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This study quantifies phenolic compounds in 21 medicinal plants, revealing significant variations in flavonoid and polyphenol levels. These findings support the use of plant polyphenol analysis for hemotaxonomy.

Area of Science:

Phytochemistry
Analytical Chemistry

Context:

Medicinal plants are a rich source of bioactive compounds.
Understanding the chemical composition of medicinal plants is crucial for their effective utilization.
Phenolic substances, including flavonoids and polyphenols, are key phytochemicals with diverse biological activities.

Purpose:

To analyze and quantify the phenolic substance composition in the leaves of 21 medicinal plant species.
To present the qualitative composition of flavonoids in seven selected plant species.
To evaluate the potential of developed analytical procedures for plant polyphenol studies and hemotaxonomy.

Summary:

Quantitative analysis revealed flavonoid content ranging from 1.94% to 5.42%.
Monomeric polyphenols and hydroxybenzoic acids were found between 0.27% and 0.57%, while hydroxycinnamic acids and their esters ranged from 0.09% to 0.18%.

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Condensed and polymerized polyphenols were detected at levels of 0.41% to 1.20%.

Impact:

The study provides a comprehensive phytochemical profile of selected medicinal plants.
Developed analytical methods can advance the study of plant polyphenols.
The findings suggest a potential basis for hemotaxonomy using plant polyphenol profiles.