The Quercetin Extraction Of Bima Brebes Shallot Skin (Allium Cepa L. Var. Aggregatum) With Traditional Method (Maceration) And Green Method (Microwave Assisted Extraction)

Abstract

There are many abundant shallot skins wastes available in Brebes, Indonesia which come from shallot production of Bima Brebes variety. A great number of Flavonoid compound (quercetin) can be found in shallot skin (Allium Cepa L). This study identifies flavonoid compound in shallot skin of Bima Brebes with maceration method by using 96% ethanol solvent, and MAE (Microwave Assisted Extraction) method. Flavonoid content test is performed with, a qualitative method, phytochemicals compound test. Meanwhile, the quantitative test is done by Spectrophotometer UV-VIS. The result of phytochemical data analysis shows that Bima Brebes shallot skin contain flavonoid compound within indications of colour changing into red and forming of yellow and black deposit. Quercetin level from maceration extraction result, by using 96% ethanol solvent, shows number of 56,455%, meanwhile the result of extraction of Bima brebes shallot skin by applying MAE (Microwave Assisted Extraction) method shows quercetin level of 88,540%.