ARABINOGALACTAN PREPARATION METHOD Russian patent published in 2005 - IPC

Abstract RU 2256668 C2

FIELD: resin industry.

SUBSTANCE: method comprises consecutively performed water extraction of arabinogalactan at heating from preliminarily deresined foliferous wood, purification of extract to remove suspended and colloidal impurities, ultrafiltration-mediated concentration of extract, and isolation of desired product using spray drying of concentrate containing 40% solids. Purification is effected with aqueous solution of cationic flocculant. High purity of product is confirmed by UV, IR, and ¹³C NMR spectroscopic techniques.

EFFECT: achieved purity meeting pharmaceutical requirements.

3 cl, 4 ex

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RU 2 256 668 C2

Authors

Babkin V.A.

Kolzunova L.G.

Medvedeva E.N.

Malkov Ju.A.

Ostroukhova L.A.

Dates

2005-07-20—Published

2003-07-21—Filed