Blue colorant derived from genipa americana fruit

Details Blue colorant derived from genipa americana fruit Blue colorant derived from genipa americana fruit

C - Chemistry, Metallurgy

09

B

C09B 61/00 (2006.01)

Patent

CA 2739045

The present invention provides a method to make a blue colorant as a liquid and as a powder, wherein the blue colorant is derived from unprocessed raw juice obtained from Genipa americana fruit pulp, and wherein said raw juice is mixed with glycine (liquid) or with glycine plus starch (powder). Except for an additional step of warming up the juice-glycine mix, and in the case of the powder further dehydration of the juice-glycine- starch remix, no further steps are required to make a temperature and PH stable blue colorant which may be applied in textile, pharmaceutical, food, cosmetics, and other industries.

La présente invention concerne un procédé de fabrication d'un colorant bleu sous forme de liquide et sous forme de poudre. Selon ce procédé, le colorant bleu est obtenu à partir du jus brut non traité de la pulpe du fruit Genipa americana, ledit jus brut étant mélangé avec de la glycine (liquide) ou avec de la glycine plus de l'amidon (poudre). À l'exception d'une étape additionnelle de chauffage du mélange jus-glycine, et dans le cas de la poudre, d'une déshydratation ultérieure du nouveau mélange jus-glycine-amidon, aucune étape supplémentaire n'est nécessaire pour fabriquer un colorant bleu stable en température et pH qui peut être employé dans l'industrie textile, pharmaceutique, alimentaire, cosmétique, et autres.

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