| 摘要 |
1420883 Vitamin B compositions F HOFFMANN-LA ROCHE & CO AG 18 Jan 1974 [18 Jan 1973] 02367/74 Heading A5B [Also in Division C2] Compositions contain vitamin B 12 stabilized by coating particles of the vitamin with a water-soluble, food grade starch derivative of formula: where R is a substituted dimethylene or trimethylene group and R' is an alkyl, alkenyl, aralkyl or aralkenyl group having 5 to 18 carbon atoms. In Examples a vitamin B 12 solution is mixed with a solution of a starch acid-ester of 1-octenyl succinic acid and spray dried; a sodium citrate/citric acid buffer and sodium benzoate and sorbic acid preservatives also are present; compositions are prepared from the coated vitamin B 12 , other ingredients of the compositions being sodium ascorbate, vitamin B 1 mononitrate, vitamin B 2 , vitamin B 6 , niacinamide, dextrose, vitamin E, d-calcium pantothenate, vitamin A acetate, vitamin D 2 , vitamin C, a modified sucrose, magnesium oxide, ferrous sulphate and dicalcium phosphate. |
