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Studies on the Extraction of Plant Constituents. V. : Extraction of Berberine from Berberis thunbergii

Yoshiaki Kawashimà

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Abstract

Berberine was extracted from slices of Berberis thunbergii, cut into various sizes (#1-#4), with water and methanol at 37°. Results of analysis of extraction rate, indicated that the mechanism of extraction consists of washing, diffusion, and capillary extraction, and mass transfer coefficients for each mechanism were determined. Comparing with the extraction of berberine from the cortex of phellodendron, 3) mass transfer coefficients were distinctly larger.

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Berberine was extracted from slices of Berberis thunbergii, cut into various sizes (#1-#4), with water and methanol at 37°. Results of analysis of extraction rate, indicated that the mechanism of extraction consists of washing, diffusion, and capillary extraction, and mass transfer coefficients for each mechanism were determined. Comparing with the extraction of berberine from the cortex of phellodendron, 3) mass transfer coefficients were distinctly larger.

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Available abstract

Berberine was extracted from slices of Berberis thunbergii, cut into various sizes (#1-#4), with water and methanol at 37°. Results of analysis of extraction rate, indicated that the mechanism of extraction consists of washing, diffusion, and capillary extraction, and mass transfer coefficients for each mechanism were determined. Comparing with the extraction of berberine from the cortex of phellodendron, 3) mass transfer coefficients were distinctly larger.

Key concepts: Berberine, Berberis, Extraction (chemistry), Chemistry, Chromatography, Water extraction, Mass transfer, Botany

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