Natural food colourant of beetroot skin ( Beta vulgaris L): Characterisation study

Abstract

The culinary industry is now growing, where the use of food colourant is widely used as an additive. To produce attractive colours in food, many manufacturers use synthetic colourant. The use of synthetic colourant will endanger health because synthetic colourant contains heavy metals. Supports UNNES vision, which is to become a conservation-minded university. In this study, the theme of the use of waste, especially fruit skin waste, as a natural colourant that is safe for health. The types of natural colourant that are often used for colourant are betacyanin. Fruit skin waste contains a lot of natural colourant, including beetroot skin. The results showed that the appropriate extraction method was the maceration method with the results for beetroot colourant resulting in the most optimal water content, antioxidant content and colour in the dye using a single solvent in the form of Ethanol.