4.4 Article

The kinetic and thermodynamic studies of solid-liquid extraction of apigenin-glycosides from parsley (Petroselinum crispum)

期刊

SEPARATION SCIENCE AND TECHNOLOGY
卷 56, 期 13, 页码 2253-2265

出版社

TAYLOR & FRANCIS INC
DOI: 10.1080/01496395.2020.1821219

关键词

Kinetics; extraction; models; apigenin-glycosides

资金

  1. Ministry of Education, Science and Technological Development of the Republic of Serbia [451-03-68/2020-14/200124]

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The study investigated the effects of various parameters on the extraction yield of apigenin-glycosides from parsley and confirmed the presence of two specific apigenin-glycosides through HPLC analysis. The kinetics of extraction was described using non-stationary diffusion model, with a good fit to the experimental data, and the effects of process factors on kinetic model parameters were assessed using a full factorial test plan 2(3).
In this study, the effect of various parameters such as solvent concentration (50 and 80%), extraction temperature (30, 40, and 50 degrees C), and solvent/solid ratio (1:20, 1:25, and 1:30 g ml(-1)) on the extraction yield of apigenin-glycosides from parsley were investigated. The high-performance liquid chromatography analysis of parsley extracts confirms the presence of two apigenin-glycosides: apiin and malonyl-apiin. The kinetics of extraction was described using non-stationary diffusion model and Ponomarev's model. Models have a good fit to the experimental data (root mean square: RMS 0.82). The effects of the process factors on the kinetic model parameters, equilibrium constant and Gibbs free energy change were assessed using the full factorial test plan 2(3).

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