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http://dx.doi.org/10.9721/KJFST.2014.46.5.531

Antioxidant and Anti-adipogenic Effects of Kohlrabi and Radish Sprout Extracts  

Lee, Young-Jun (Department of Food Science and Biotechnology, Kangwon National University)
Kim, Jae-Hwan (Department of Food Science and Biotechnology, Kangwon National University)
Oh, Ji-Won (Department of Food Science and Biotechnology, Kangwon National University)
Shin, Gi-Hae (Department of Food Science and Biotechnology, Kangwon National University)
Lee, Jong Seok (Department of Food Science and Biotechnology, Kangwon National University)
Cho, Ju-Hyun (Hurum Central Research Institute)
Park, Jin-Ju (Korea Food Research Institute)
Lim, Jeong-Ho (Korea Food Research Institute)
Lee, Ok-Hwan (Department of Food Science and Biotechnology, Kangwon National University)
Publication Information
Korean Journal of Food Science and Technology / v.46, no.5, 2014 , pp. 531-537 More about this Journal
Abstract
Common cruciferous vegetables, kohlabi (Brassica oleracea) and radish (Raphanus sativus), contain phytochemicals such as glucosinolates and carotenoids. Therefore, this study investigated the antioxidant and anti-adipogenic effects of kohlrabi sprout extract (KSE) and radish sprout extract (RSE). The total carotenoid and glucosinolate contents of KSE and RSE were $39.50{\pm}0.67$ and $76.73{\pm}2.75mg/g$, respectively. The total glucosinolate contents of KSE and RSE were $2.65{\pm}0.02$ and $8.13{\pm}0.54mg/g$, respectively. The in vitro-antioxidative activities of KSE and RSE were significantly increased in a dose-dependent manner. Furthermore, ${\beta}$-carotene and glucosinolate-enriched KSE and RSE significantly inhibited lipid accumulation and reactive oxygen species production during the adipogenesis of 3T3-L1 preadipocytes. These results suggest that glucosinolate-enriched KSE and RSE, especially RSE, can be used in the treatment of obesity and as a natural source of antioxidants.
Keywords
kohlrabi; radish; sprout extract; glucosinolate; ${\beta}$-carotene;
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Times Cited By KSCI : 9  (Citation Analysis)
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