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Physiological Activity of Medicinal Plant Extracts  

Na Gyung-Min (Korea Food Research lnstititute)
Han Ho-Suk (Korea Food Research lnstititute)
Ye Su-Hyang (Korea Food Research lnstititute)
Kim Hyun-Ku (Korea Food Research lnstititute)
Publication Information
Food Science and Preservation / v.11, no.3, 2004 , pp. 388-393 More about this Journal
Abstract
The physiological activity of 5 kinds of medicinal plant extracts were examined. Total polyphenol contents showed the highest value in 50 $\%$ ethanol extracts. Electron donating ability showed the highest value in 50 $\%$ ethanol extracts of Glycyrrhiza uralensis. SOD-like activity showed the highest activity in 50$\%$ ethanol extracts of Glycyrrhiza uralensis. Medicinal plant extracts showed the different nitrite scavenging abilities under the different pH conditions. Medicinal plant extracts showed the highest value in nitrite scavenging ability at pH 1.2. The maximum nitrite scavenging effect was found at pH 1.2 and decreased as pH increased. Angiotensin-converting enzyme inhibitory activity showed the highest value in 50 $\%$ ethanol extracts of dried garlic.
Keywords
medicinal plants; electron donating ability; SOD-like activity; nitrite scavenging ability;
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