著者

川島 嘉明

出版者

公益社団法人日本薬学会

雑誌

薬学雑誌 (ISSN:00316903)

巻号頁・発行日

vol.89, no.10, pp.1386-1391, 1969-10

---

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.