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http://dx.doi.org/10.5322/JES.2009.18.11.1207

Functional Properties and Antioxidant Effects of Solanum nigrum-Ethanol Extract  

Jeong, Kap-Seop (Department of Food Science & Technology, Tongmyong University)
Lee, Nahm-Gull (Department of Food Science & Technology, Tongmyong University)
Publication Information
Journal of Environmental Science International / v.18, no.11, 2009 , pp. 1207-1214 More about this Journal
Abstract
Functional properties of Solanium nigrum-ethanol extract were investigated, nitrite scavenging ability(NSA) and antioxidant activities based on thiobarbituric acid(TBA) value were measured. The contents of potassium in fruit and root, calcium in leaf were the highest mineral components in each parts of Solanium nigrum. Total aromatics contents(TAC) was order of fruit>root>leaf, total flavonoid contents(TFC) in leaf was 6 and 10 times, total phenolic compounds contents(TPC) in leaf was 15 and 30 times of those in fruit and root, respectively, and TFC was high with TPC increase. NSA of leaf-ethanol extract was 61.9% on pH 1.2, 53.5% on pH 3.0, 54.8% on pH 4.0 and 14.3% on pH 6.0, where as NSA of root and fruit-ethanol were considerably low to 3.5~7.9% over pH 1.2~6.0. TBA value of soybean oil with the dosage of leaf-extract showed few differences from control within 3 days, but it fairly decreased with considerable antioxidant effect to 47.6% of the control in 8 days.
Keywords
Solanum nigrum; Antioxidant effect; Functional property; NSA; TBA value;
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Times Cited By KSCI : 6  (Citation Analysis)
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