POTENSI EKSTRAK ETANOL KULIT JERUK LEMON (Citrus limon L.) SEBAGAI ANTIOKSIDAN ALAMI UNTUK MENINGKATKAN KESEHATAN TUBUH DENGAN METODE ABTS

Gabriela, Sara Vinta (2021) POTENSI EKSTRAK ETANOL KULIT JERUK LEMON (Citrus limon L.) SEBAGAI ANTIOKSIDAN ALAMI UNTUK MENINGKATKAN KESEHATAN TUBUH DENGAN METODE ABTS. Diploma thesis, Sekolah Tinggi Ilmu Kesehatan Nasional.

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Abstract

This study aims to determine the antioxidant activity of the ethanol extract of lemon peel. Lemon peel (Citrus limon L.) contains flavonoids, fenolics, alkaloids, and Vitamin C which have potential as natural antioxidant. Free radicals can come from pollution, dust, or metabolism inside the body, so an antioxidant is needed to protect the body from the negative effects of the free radicals. This study uses maceration methods and the testing of antioxidant activity using ABTS radicals (2,2-Azinobis(3-ethylbenzothiazoline)-6-sulfonic acid) and it is stated with the value of Inbition Concentration 50 (IC50). The presence of antioxidant compounds will reduce ABTS radicals with blue-green characteristics to the form of colorless non radicals. The result of the study shows that the ethanol extract of lemon peel products IC50 of 11,1294+0,0905 ppm with very strong category.

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