Curcumin complexed on water dispersible substrate |
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| 申请号 | JP21509290 | 申请日 | 1990-08-16 | 公开(公告)号 | JPH0397761A | 公开(公告)日 | 1991-04-23 |
| 申请人 | Kalamazoo Holdings Inc; | 发明人 | POORU ETSUCHI TOTSUDO JIYUNIA; | ||||
| 摘要 | PURPOSE: To obtain a transparent water-soluble yellow curcumin complex improved in light stability and coloring power by complexing water-soluble red curcumin with a substrate consisting of polysaccharide and protein under a specific condition. CONSTITUTION: Water-soluble red curcumin (A) is brought into contact with a substrate (B) composed of branched chain or cyclic polysaccharide (i) or protein (ii) soluble or dispersible in water in an alkaline aq. soln. with pH 9 or more and the resulting soln. is acidified so that pH lowers to about 8 or less to complex curcumin showing natural yellow with the substrate. COPYRIGHT: (C)1991,JPO |
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