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2 067 452

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IPC

(21) (22)

Application

93055781/14, 1993-12-15

(22)

Actual filing date

1993-12-15

(45)

Published

1996-10-10

(72)

Inventor

Mukhamedzjanov R.M.Kulavskij V.A.Pushkarev V.A.Khasanov R.A.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"EdinenieBashkirskij Gosudarstvennyj Meditsinskij Institut

METHOD OF SAINT-JOHN'S-WORT EXTRACT PREPARING Russian patent published in 1996 - IPC

Abstract RU 2067452 C1

FIELD: chemical-pharmaceutical industry, phytopreparations showing antibacterial activity. SUBSTANCE: Saint-John's-wort herb is subjected for firstly extraction with acetone. Plant raw remained after extraction is dried and extracted with 70% ethanol at ratio 1:10 by percolation method. Plant raw remained after extraction with 70% ethanol is dried and then extracted with 30% ethanol at ratio 1:10. Obtained extracts were combined and dried. EFFECT: high yield of bioactive substances showing antibacterial activity.

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RU 2 067 452 C1

Authors

Mukhamedzjanov R.M.

Kulavskij V.A.

Pushkarev V.A.

Khasanov R.A.

Dates

1996-10-10—Published

1993-12-15—Filed