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Lactobacillus acidophilus fermented yam (Dioscorea opposita Thunb.) and its preventive effects on gastric lesion

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Abstract

This study was carried out to find the possibility of fermenting yam (Dioscorea opposita Thunb.) with Lactobacillus acidophilus and the protective role on stomach lesion of rats. The solutions of raw and extracted yam used were 2 and 6%, and they were fermented by L. acidophilus at 37°C for 0, 12, 24, and 36 h. At intervals (0, 12, 24, and 36 h), viscosity, titratable acidity (TA), allantoin, and diosgenin were examined. In the results, it was observed the most desirable data at 12 h with 6% fermented raw yam (FRY) without any change in the content of allantoin and diosgenin. In the animal study by rats (Sprague-Dawley), the inhibition ratios on gastric lesion were 53.41% in FRY. Based on these data, it confirmed that raw yam powder fermented by L. acidophilus would be a functional food with the supplement of viable cells and nutraceutical component of allantoin and diosgenin.

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Authors and Affiliations

  1. Department of Food Science and Technology, Sejong University, Seoul, 143-747, Korea

    Sun Young Lee, Palanivel Ganesan & Hae-Soo Kwak

  2. Department of Herb Industry, Jungwon University, Goesan, Chungbuk, 367-805, Korea

    Joungjwa Ahn

Authors
  1. Sun Young Lee
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  2. Palanivel Ganesan
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  3. Joungjwa Ahn
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  4. Hae-Soo Kwak
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Correspondence to Hae-Soo Kwak.

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Lee, S.Y., Ganesan, P., Ahn, J. et al. Lactobacillus acidophilus fermented yam (Dioscorea opposita Thunb.) and its preventive effects on gastric lesion. Food Sci Biotechnol 20, 927–932 (2011). https://doi.org/10.1007/s10068-011-0128-0

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  • DOI: https://doi.org/10.1007/s10068-011-0128-0

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