FIELD: food industry, more particularly preparation of colorant from onion peels. SUBSTANCE: onion peels are extracted with catalyte at temperature of 69-79 C and pressure of 7.2-10.0 MPa during continuous addition of ammonium salts of carbonic acid and desired sprat. Method makes it possible to intensity process. EFFECT: more efficient preparation method.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF DYE PRODUCTION FROM ONION HUSK | 1994 |
|
RU2086587C1 |
| METHOD OF DYE PREPARING FROM THE ONION PEEL | 1993 |
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| METHOD OF RENNET PRODUCING | 1999 |
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| METHOD FOR PRODUCTION OF PEAT DYE ON THE BASE OF HUMIC ACIDS | 1993 |
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| METHOD OF RENNIN PRODUCING | 1999 |
|
RU2155805C1 |
| METHOD OF RENNIN PRODUCING | 1999 |
|
RU2155806C1 |
