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2 032 413

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C1

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IPC

(21) (22)

Application

5014502/14, 1991-09-06

(22)

Actual filing date

1991-09-06

(45)

Published

1995-04-10

(72)

Inventor

Glyzin V.I.Smirnova L.P.Ob"Edkova E.F.Shemerjankina T.B.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie Nauchno-Issledovatel'Skij Institut Lekarstvennykh I Aromaticheskikh Rastenij"

PROCESS FOR MANUFACTURE OF MANGIFERIN Russian patent published in 1995 - IPC

Abstract RU 2032413 C1

FIELD: pharmaceutical industry. SUBSTANCE: this process includes such steps as extracting above-surface portion of Hedysarum or leaves of mango tree with use of 82 to 96-percent ethyl or 50 to 90-percent methyl alcohol, evaporating, treating with water and refining extract with use of chloroform or dichloroethane, and recrystalizing desired product from 60 to 80-percent ethyl alcohol solution. EFFECT: yield of desired product raised to 3.86 %, shorter processing time and lower rate of consumption of solvents. 3 tbl

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RU 2 032 413 C1

Authors

Glyzin V.I.

Smirnova L.P.

Ob"Edkova E.F.

Shemerjankina T.B.

Dates

1995-04-10—Published

1991-09-06—Filed

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