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KMID : 1134820180470100988
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Journal of the Korean Society of Food Science and Nutrition
2018 Volume.47 No. 10 p.988 ~ p.994
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Elevation of Anti-Oxidative and Inhibitory Activities Against Xanthine Oxidase and Angiotensin-Converting Enzyme and Anti-Microbial Activities of Extracts from Saururus chinensis by Elicitor Treatment
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Lee Eun-Ho
Park Hye-Jin
Jo Jae-Bum
Kim Ye-Jin
Kim Myung-Uk
Ahn Dong-Hyun
Jung Hee-Young
Cho Young-Je
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Abstract
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This study was designed to assess the antioxidative and biological activities of extracts from Saururus chinensis. It is more effective to use elicitor than non-treated elicitor when extracting phenolic compounds. Elicitortreated S. chinensis showed higher total phenolic content than the control group. Antioxidative activity of elicitortreated S. chinensis extract increased in a concentrationdependent manner as concentration increased from 1.5 mg elicitor/leaf 1 g (elicitor 1.5) to 3.0 mg elicitor/leaf 1 g (elicitor 3.0). Moreover, 70% ethanol extract showed higher antioxidative activity than water extract. Hypertension inhibitory activity of the elicitortreated group was much higher than that of the non-treated group. Elicitor 3.0 showed a 2fold higher inhibitory effect and higher than captopril, which was the positive control. Elicitortreated S. chinensis extract showed high gout preventative activity compared to the non-treated group. It also showed higher xanthine oxidase inhibitory activity than the positive control allopurinol. Thus, it can be expected to be used as a source in the medical industry for hypertension inhibition and gout prevention. Elicitortreated S. chinensis extract showed partial antimicrobial activity. Elicitor 1.5 showed Streptococcus mutans inhibitory activity against cavities, which was not observed in the control group. Elicitor 3.0 not only showed cavity preventive activity but also a Helicobacter pylori inhibitory effect, which is directly related to stomach ulcer and gastritis. Therefore, elicitor treatment during S. chinensis cultivation will increase total phenolic compound content in the plant source and increase bioactivity, which will yield high quality for industrialization.
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KEYWORD
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anti-microbial activity, elicitor, extract, healthy functional foods, Saururus chinensis
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