POTENTIAL OD DRAGON FRUIT PEEL AS COLOUR PIGMENT IN FISH FEED

Dragon fruit is the fruit of a cactus-like plant called Hylocereus. This plant is known as pitahaya, and in English, it is called Dragon fruit. There are three types of dragon fruit in Indonesia: Hylocereis undatus (dragon fruit with white flesh), Hylocereus polyrhizus (dragon fruit with red flesh), and Hylocereus costaricensis (dragon fruit with very red or black flesh). The biggest cost in the livestock business is feed, which reaches 60–70%. One alternative to supply is to utilise waste, both agricultural, livestock, and industrial waste. contains active compounds, namely vitamins A, C, and E, alkaloids, terpenoids, flavonoids, thiamine, niacin, pyridoxine, cobalamin, phenolics, carotene, and phytoalbumin. Dragon fruit skin has a red pigment that can potentially be used for food colouring, so it can give food an attractive colour. The method used is to study literature. The results obtained show that dragon fruit skin can be used as a colour pigment to maintain the colour quality of fish. In addition to materials that are easy to obtain by utilising agricultural waste, the ingredients contained in dragon fruit skin are by the needs of fish