Supercritical fluid extraction, micro-encapsulation and application of betacyanin-extract from red pitaya (Hylocereus polyrhizus (WEBER) Briton & Rose)

There is a progressive demand for natural pigments in colouring food stuff instead of synthetic colourants because of human health concern. Red pitaya (Hylocereus polyrhizus) is found to be a promising source of more stable natural red pigment of betacyanins, with a deep purple colour compared...

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