| 摘要 |
1,230,317. Cocoa-butter substitute. KAO SOAP CO. Ltd. 26 Nov., 1969 [26 Nov., 1968], No. 57784/69. Heading C5C. Cocoa butter substitute is prepared by fractionally crystallizing palm oil dissolved in solvent comprising acetone, nitropropane or a mixture thereof, separating off a high m.p. fraction of trisaturated glycerides, crystallizing out the middle fraction having a m.p. of 27-31‹ C. and an iodine value 38-47, and hydrogenating this fraction to a m.p. of 33-38‹ C. and so that the trans-acid content is less than 5 wt. per cent. The hydrogenation catalyst is preferably a copper-chromium-manganese oxide catalyst. |
