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KMID : 1098420070150050319
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Korean Journal of Medicinal Crop Science
2007 Volume.15 No. 5 p.319 ~ p.323
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Far Infrared Ray Irradiation Stimulates Antioxidant Activity in Vitis flexuosa THUNB. Berries
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Eom Seok-Hyun
Cho Dong-Ha
Kim Myong-Jo
Yu Chang-Yeon
Chung Ill-Min
Jin Cheng-Wu
Park Hyoung-Jae
Kim Eun-Hye
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Abstract
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Wild grapes have been used as traditional medicinal use and alcoholic beverage production in Korea. The objective of this study is to improve antioxidant properties in Sae-muru by far infrared ray (FIR) treatment, with expecting potential benefits of FIR treatment for wild grape products during manufacturing processes. FIR treatment in berries induced increased content of catechin, epicatechin gallate, epigallocatechin gallate, gallic acid, rutin, ellagic acid, and resveratrol, while content of epicatechin and epigallocatechin was decreased. Although FIR treatment resulted either increased or decreased chemical component groups, presenting in HPLC chromatograms, antioxidant activity in Sae-muru extract was significantly increased by the FIR treatment. Our results suggest that FIR treatment should be an efficient process in the production of high content of bioactive molecules in Sae-muru.
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KEYWORD
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antioxidants, catechins, far infrared ray, resveratrol, wild grape
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