Crocetin-containing coloring
AssigneeEnsuiko Sugar Refining Co., Ltd.
InventorsTakemi Tanaka, Hisashi Okemoto, Nobuhiro Kuwahara
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Abstract
A stabilized crocetin-containing colorant which has as an effective component a crocetin included by cyclodextrin. This colorant is imparted with resistance against light and various chemicals to crocetin, which is a hydrolysate of crocin, the main component of the carotenoid gardenia yellow pigment. The colorant may be added to various food products for use of crocetin as a stable coloring matter.
Claims8
A crocetin-containing food or beverage colorant comprising an inclusion complex of an effective amount for coloring of a crocetin, included in a cyclodextrin, wherein the cyclodextrin is selected from the group consisting of (a) .alpha.-cyclodextrin, (b) .beta.-cyclodextrin, (c) a mixture of .alpha.-cyclodextrin, .beta.-cyclodextrin and .gamma.-cyclodextrin and (d) a mixture of .alpha.-cyclodextrin, .beta.-cyclodextrin .gamma.-cyclodextrin and dextrin.
A method of coloring a food or a beverage by adding an effective coloring amount of an inclusion complex of a crocetin and a cyclodextrin to said food.
A composition comprising a food or beverage and an effective amount for coloring the food or beverage of an inclusion complex of crocetin and a cyclodextrin, wherein the cyclodextrin is selected from the group consisting of (a) .alpha.-cyclodextrin, (b) .beta.-cyclodextrin, (c) a mixture of .alpha.-cyclodextrin, .beta.-cyclodextrin and .gamma.-cyclodextrin and (d) a mixture of .alpha.-cyclodextrin, .beta.-cyclodextrin, .gamma.-cyclodextrin and dextrin.
Dependencies are inferred from the claim text.