| 摘要 |
1469893 Red colorant NESTLE SA 18 Sept 1975 [7 Nov 1974] 38355/75 Heading C4P [Also in Division A2] The invention comprises a red colorant having the general formula wherein R is an aliphatic radical, and R<SP>1</SP> is the radical of a compound R<SP>1</SP>NH 2 which is an amino sugar, a polymer of an amino sugar, a polyamino acid or an aminoalcohol. R<SP>1</SP> may be the radical of chitosane, ethanolamine, hexosamine, glucosamine or galactosamine. They are prepared by reacting an orange-yellow pigment of a microorganism of the genus Monascus with the compound R<SP>1</SP>NH 2 , the reaction taking place in aqueous-alcoholic medium. The colorants are used to colour inert substitutes, yoghurts, vermouth and mineral water. |
