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All Journal Unesa Journal of Chemistry
Jihan Shofwatul Islam Dalilah Aziz
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Materials Science & Nanotechnology

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PENENTUAN TOTAL FENOLIK, TOTAL FLAVONOID DAN AKTIVITAS ANTIOKSIDAN EKSTRAK DAUN BAWANG KUCAI (Allium tuberosum) Jihan Shofwatul Islam Dalilah Aziz; Mirwa Adiprahara Anggarani
Unesa Journal of Chemistry Vol 10 No 3 (2021)
Publisher : Department of Chemistry, Faculty of Mathematics and Natural Sciences, Surabaya State University, located at Jl Ketintang, Surabaya, East Java, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1281.342 KB) | DOI: 10.26740/ujc.v10n3.p326-336

Abstract

The purpose of this research was to determine total phenolic, total flavonoid and antioxidant activity of chinese leeks extract. The extraction process involves a method of leveling using three different types of solvents are dichloromethane, ethyl acetate and ethanol 96%. The samples tested included analysis of total phenolic using Folin-Ciocalteau method, total flavonoid using colorimetric aluminum chloride method and antioxidant activity using DPPH method. The results showed that dichloromethane extract was not found phenolic and flavonoid compounds that are potential as antioxidants. Total phenolic content in ethyl acetate and ethanol extract were 9.5975 mg GAE/g extract and 11.8015 mg GAE/g extract. Total flavonoid content were 4,3454 mg QE/g extract and 7,7165 mg QE/g extract. The value of IC50 on ethyl acetate extract were 563,1250 ppm and and ethanol extract 312,5532 ppm, which are categorized as weak antioxidant. Keywords: chinese leeks, total phenolic, total flavonoid, antioxidant activities
Co-Authors Mirwa Adiprahara Anggarani