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Aglycone Isoflavones and Exopolysaccharides Produced by Lactobacillus acidophilus in Fermented Soybean Paste
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  • Journal title : Preventive Nutrition and Food Science
  • Volume 21, Issue 2,  2016, pp.117-123
  • Publisher : The Korean Society of Food Science and Nutrition
  • DOI : 10.3746/pnf.2016.21.2.117
 Title & Authors
Aglycone Isoflavones and Exopolysaccharides Produced by Lactobacillus acidophilus in Fermented Soybean Paste
Kim, Jin-Sun; Lee, Je-Hyuk; Surh, Jeonghee; Kang, Soon Ah; Jang, Ki-Hyo;
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 Abstract
Bioconversion of aglycone-formed isoflavones from glycoside-formed isoflavones by commercial lactic acid bacteria in fermented soybean paste was evaluated. Enterococcus faecium KCTC 13410 showed the most resistant capacity and Lactobacillus acidophilus KCTC 3925 had a sensitive susceptibility at a high NaCl concentration (13.2%) in fermented soybean paste. Among the 5 strains tested, Lac. acidophilus KCTC 3925 showed the highest relative ratio of aglycone-formed isoflavones to total isoflavones in fermented soybean paste. Production of exopolysaccarides (EPS) by lactic acid bacteria was compared using de Man, Rogosa, and Sharpe medium containing 1% sucrose at for 48 h. Among the 5 lactic acid bacteria, Lac. acidophilus KCTC 3925 and Lactobacillus rhamnosus KCTC 3929 were investigated to produce EPS. Based on the results concerning growing susceptibility and conversion of aglycone-formed isoflavones/EPS production, it is anticipated that Lac. acidophilus KCTC 3925 may be used for preparation of Cheonggukjang, which contains relative low NaCl content.
 Keywords
Cheonggukjang;fermented soybean paste;exopolysaccharide;isoflavone;lactic acid bacteria;
 Language
English
 Cited by
1.
Antimelanogenic effects of Inula britannica flower petal extract fermented by Lactobacillus plantarum KCCM 11613P, Journal of Zhejiang University-SCIENCE B, 2017, 18, 9, 816  crossref(new windwow)
2.
Optimization, partial characterization and antioxidant activity of an exopolysaccharide from Lactobacillus plantarum KX041, International Journal of Biological Macromolecules, 2017, 103, 1173  crossref(new windwow)
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