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http://dx.doi.org/10.3746/jkfn.2011.40.2.316

Antioxidant Component and Activity of Dropwort (Oenanthe javanica) Ethanol Extracts  

Hwang, Cho-Rong (Dept. of Food Science and Technology, Chungbuk National University)
Hwang, In-Guk (Dept. of Food Science and Technology, Chungbuk National University)
Kim, Hyun-Young (Dept. of Food Science and Technology, Chungbuk National University)
Kang, Tae-Soo (Dept. of Biofood Science and Biotechnology, Chungbuk Provincial University of Science and Technology)
Kim, Yun-Bae (College of Veterinary Medicine, Chungbuk National University)
Joo, Sung-Soo (Division of Marine Molecular Biotechnology, Gangneung-Wonju National University)
Lee, Jun-Soo (Dept. of Food Science and Technology, Chungbuk National University)
Jeong, Heon-Sang (Dept. of Food Science and Technology, Chungbuk National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.40, no.2, 2011 , pp. 316-320 More about this Journal
Abstract
This study was conducted to investigate the antioxidant compounds and antioxidant activity on the dropwort (Oenanthe javanica) and its solvent fraction. The dropwort was extracted with 70% (v/v) ethanol, and then partitioned using the solvents of hexane, chloroform, ethyl acetate, butanol, and aqueous. The ethyl acetate fraction contained the highest phenolic and flavonoid of 240.61 mg GA eq/g and 105.57 mg catechin eq/g, followed by ethanol extract of 37.50 mg GA eq/g and 26.50 mg catechin eq/g, respectively. The DPPH radical scavenging activity ($IC_{50}$) on the solvent fractions increased in the order of ethyl acetate, butanol, ethanol extract, chloroform, aqueous, and hexane with 0.08, 0.58, 1.07, 2.43, 2.47, and 3.31 mg/mL, respectively. The ABTS radical scavenging activity was the highest value of 382 mg AA eq/g in ethyl acetate fraction. Reducing power and chelating effect on the ethanol extracts and its solvent fraction were in range of 0.23~0.75 and 0~32.01%, respectively. Hydroxyl radical scavenging activity ($IC_{50}$) was the lowest value of $26.71\;{\mu}g$/mL in ethyl acetate fraction.
Keywords
Oenanthe javanica; solvent fractionation; polyphenol; flavonoid; antioxidant activity;
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Times Cited By KSCI : 22  (Citation Analysis)
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