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2 114 173

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(51)

IPC

(21) (22)

Application

97112219/13, 1997-07-23

(22)

Actual filing date

1997-07-23

(45)

Published

1998-06-27

(72)

Inventor

Esipov S.E.Danilenko V.N.Voronkova V.V.

(73)

Holder

Assotsiatsija Sodejstvija Razvitiju Novejshikh Napravlenij Biotekhnologii Produtsentov Antibiotikov

METHOD OF CRYSTALLINE TYLOSIN PREPARING Russian patent published in 1998 - IPC

Abstract RU 2114173 C1

FIELD: biotechnology. SUBSTANCE: at the first stage of a method producer culture is grown under optimal conditions. Then mycelium is separated from cultural fluid and tylosin antibiotics are sorbed on acid cation-exchange resin. Elution from sorbent is carried out by diluted an aqueous ammonia solutions followed by drying the end product. Method is used for crystalline tylosin preparing. EFFECT: improved purity of tylosin, increased yield.

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RU 2 114 173 C1

Authors

Esipov S.E.

Danilenko V.N.

Voronkova V.V.

Dates

1998-06-27—Published

1997-07-23—Filed