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2 078 810

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IPC

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Application

94031050/13, 1994-08-02

(22)

Actual filing date

1994-08-02

(45)

Published

1997-05-10

(72)

Inventor

Shcherbakova E.Ja.Nikiforova T.A.Galkin A.V.Zhdanova V.N.Fin'Ko V.M.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Pishchevykh Aromatizatorov, Kislot I Krasitelej

STRAIN OF FUNGUS ASPERGILLUS NIGER - A PRODUCER OF CITRIC ACID Russian patent published in 1997 - IPC

Abstract RU 2078810 C1

FIELD: biotechnology. SUBSTANCE: new strain A. niger ВКПMF-696 - a producer of citric acid is obtained after selection from the strain storing in Museum ВНИИ ПАКК. Strain ВКПMF-696 forms round, cream-color conidia, mean size of conidium is 3.8 mcm, sterigmas are bilayer, their length - 12.5 and 6.8 mcm. Strain ferments sucrose-mineral nutrient media and media obtained after starch hydrolysis. Strain shows the stable resistance to acid-formation and high yield of citric acid (82.8-90%) from sugar during 1 year strain storage. EFFECT: increased yield of the end product. 2 tbl

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RU 2 078 810 C1

Authors

Shcherbakova E.Ja.

Nikiforova T.A.

Galkin A.V.

Zhdanova V.N.

Fin'Ko V.M.

Dates

1997-05-10—Published

1994-08-02—Filed

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