METHOD OF PREPARING ESPARCET MILK VETCH LIQUID EXTRACT BY RESOURCE-ECONOMY TECHNOLOGY Russian patent published in 2002 - IPC

Abstract RU 2189240 C2

FIELD: pharmaceutical technology. SUBSTANCE: extraction is carried out by countercurrent multistep method with 70-% alcohol for 6 days in the ratio raw : extractant = 1:1.7 in 6 diffusers. Infusion time is 8 or 16 h in each step. EFFECT: increased yield of product. 2 cl, 12 tbl

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RU 2 189 240 C2

Authors

Pshukov Ju.G.

Guzhva N.N.

Dates

2002-09-20Published

2000-06-07Filed