METHOD OF PREPARING IMMUNOMODULATING PREPARATION "ECHINACEA PURPUREA TINCTURE" (CONEFLOWER) Russian patent published in 1999 - IPC

Abstract RU 2134584 C1

FIELD: chemical-pharmaceutical industry. SUBSTANCE: method involves three-fold extraction of raw with 40% ethyl alcohol by maceration in three extractors at the ratio raw : extractant = 1:8. The first extraction is carried out at the room temperature and the following second ones - at heating up to 70-80 C for 30 min. EFFECT: increased yield of biologically active substances. 1 tbl, 8 ex

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RU 2 134 584 C1

Authors

Kurkin V.A.

Kosarev V.V.

Avdeeva O.I.

Avdeeva E.V.

Mizina P.G.

Zhestkov A.V.

Dates

1999-08-20—Published

1997-07-02—Filed