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http://dx.doi.org/10.5352/JLS.2009.19.5.680

Linoleic Acid from Bamboo (Phyllostachys Bambusoides) Displaying Potent α- Glucosidase Inhibition  

Jung, Sun-In (Division of Applied Life Science (BK21 Program), EB-NCRC, Institute of Agriculture & Life Science, Graduate School of Gyeongsang National University)
Kang, Su-Tae (Cheonghak-Dong Samsundang Food Co.)
Choi, Cheol-Yong (Cheonghak-Dong Samsundang Food Co.)
Oh, Kyeong-Yeol (Division of Applied Life Science (BK21 Program), EB-NCRC, Institute of Agriculture & Life Science, Graduate School of Gyeongsang National University)
Cho, Jung-Keun (Division of Applied Life Science (BK21 Program), EB-NCRC, Institute of Agriculture & Life Science, Graduate School of Gyeongsang National University)
Rengasamy, Rajesh (Division of Applied Life Science (BK21 Program), EB-NCRC, Institute of Agriculture & Life Science, Graduate School of Gyeongsang)
Park, Ki-Hun (Division of Applied Life Science (BK21 Program), EB-NCRC, Institute of Agriculture & Life Science, Graduate School of Gyeongsang National University)
Publication Information
Journal of Life Science / v.19, no.5, 2009 , pp. 680-683 More about this Journal
Abstract
Glycosidase inhibitors are major targets in the treatment of type II diabetes, cancer and viral infections. This study was carried out to investigate the glycosidase inhibitory substances from bamboo (Phyllostachys bambusoides). Bamboo was extracted with methanol and then further fractionated with n-hexane, chloroform, n-BuOH and aqueous to get an active fraction. All extracts were evaluated for ${\alpha}$-glucosidase inhibitory activities to identify the n-hexane fraction with 33.5 ${\mu}$g/ml of IC50 value. Active compound 1 in the n-hexane fraction was identified as linoleic acid, which exhibited inhibitory activity with 12.4 ${\mu}$M of IC50 value. Mechanistic analysis showed that linoleic acid exhibited noncompective inhibition. This is the first study in which bamboo is reported to show ${\alpha}$-glucosidase inhibitory activity.
Keywords
Glycosidase; ${\alpha}$-glucosidase inhibitor; Phyllostachys bambusoides; linoleic acid;
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