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KMID : 0613820190290020239
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Journal of Life Science
2019 Volume.29 No. 2 p.239 ~ p.247
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Biological Activity of Viola mandshurica Fermented with Bacillus methylotrophicus CBMB205 and Leuconostoc pseudomesenteroides NRIC1777
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Lee Ji-Young
Oh Su-Bin
Choi Nack-Shick
Park Yong-Woon
Kang Dae-Ook
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Abstract
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The aim of this study was to improve the efficacy and functionality of Viola mandshurica (VM). A water suspension of VM power was fermented for 72 hr with Bacillus methylotrophicus CBMB205 (BM) and Leuconostoc pseudomesenteroides NRIC1777 (LP) isolated from kimchi. The antioxidant activity and reducing power of fermented VM, its total phenolic and flavonoid compounds, as well its inhibitory activity on α-amylase, α-glucosidase, and pancreatic lipase were determined and compared to those of non-fermented VM (NVM), a negative control. The total phenolic and flavonoid compounds of VM fermented with BM and LP were higher than those of NVM by 1.4, 1.17, and about 3 times. There was no difference in 2, 2’-diphenyl-1-picryl hydrazyl (DPPH) radical scavenging activity between fermented VM and NVM. However, there was a 2.1- and 1.6-fold increase in 2, 2’-azino-bis-(3-ethylbenzothzoline-6-sulfonic acid) (ABTS) radical scavenging activity in VM fermented with BM and LP, respectively. The reducing power of BM was 1.6 times as high as NVM, but no significant difference was found between LP and NVM. Fermented VM’s inhibitory activity on α-amylase, α-glucosidase, and pancreatic lipase was much higher than that of NVM. Fermenting VM with BM was superior to fermenting it with LP, except flavonoid content. Taken together, VM fermented with BM could be used as a functional food and as an additive to cosmetics.
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KEYWORD
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Anti-diabetic activity, antioxidant activity, fermentation, lipase, Viola mandshurica
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