Study the kinetics of ultrasonic extraction of biologically active compounds from raw materials of Thymus vulgaris L. in an aqueous-alcoholic environment
Abstract
The study of the kinetics of the extraction process is extremely necessary in the technology of processing plant raw materials. The main approaches to the mathematical description of the results obtained are the modeling of mass transfer in accordance with Fick's second law with the calculation of diffusion coefficients and the approximation of kinetic dependencies by equations of the kinetics of a pseudo-reaction of the second order. Thyme (Thymus vulgaris L.) is a perennial, essential oil semi-shrub growing all over the world, is a promising source of flavonoids and polyphenolic acids, which determine its therapeutic properties. The aim of the work was to study the kinetics of ultrasonic extraction of biologically active compounds in an aqueous alcohol medium from the herb Thymus vulgaris L. Extracts were obtained by ultrasonic extraction. The total content of polyphenols was determined by reaction with Folin-Ciocalteau reagent, flavonoids by complexation reaction with aluminum chloride, the content of chlorogenic, ferulic and benzoic acids by HPLC method. The experimental data are approximated by a second-order reaction equation. The kinetic parameters of the extraction process of the target compounds have been established. The results of the study can be used to optimize the processes of ultrasonic extraction of phytocomponents from herbs of the genus Thymus L. and are used in the pharmaceutical, cosmetology and food industries.
About the Authors
N. S. Tsvetov
Федеральный Исследовательский Центр «Кольский Научный Центр» РАН
Russian Federation
Russian Federation
L. N. Sereda
Федеральный Исследовательский Центр «Кольский Научный Центр» РАН
Russian Federation
Russian Federation
A. E. Paliy
Никитский ботанический сад – Национальный научный центр РАН
Russian Federation
Russian Federation
O. M. Shevchuk
Никитский ботанический сад – Национальный научный центр РАН
Russian Federation
Russian Federation
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Review
For citations:
Tsvetov N.S., Sereda L.N., Paliy A.E., Shevchuk O.M. Study the kinetics of ultrasonic extraction of biologically active compounds from raw materials of Thymus vulgaris L. in an aqueous-alcoholic environment. Bulletin of the State Nikitsky Botanical Gardens. 2024;1(153):88-96. (In Russ.)
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