Biotechnology and Bioprocess Engineering:BBE

  • 제11권3호
  • /
  • Pages.240-244
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  • 2006
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  • 1226-8372(pISSN)
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  • 1976-3816(eISSN)
한국생물공학회 (The Korean Society for Biotechnology and Bioengineering)
권호 표지

Lactic Acid Fermentation of Chinese Yam (Dioscorea batatas Decne) Flour and Its Pharmacological Effect on Gastrointestinal Function in Rat Model

  • Shin, Kyung-Ok (Faculty of Food Industrial Technology, Catholic University of Daegu) ;
  • Jeon, Jeong-Ryae (College of Medicine, Yeungnam University) ;
  • Lee, Ji-Seon (Institute of Biotechnology, Yeungnam University) ;
  • Kim, Jong-Yeon (College of Medicine, Yeungnam University) ;
  • Lee, Chu-Hee (College of Medicine, Yeungnam University) ;
  • Kim, Soon-Dong (Faculty of Food Industrial Technology, Catholic University of Daegu) ;
  • Yu, Yeon-Su (Faculty of Pharmacy, Yeungnam University) ;
  • Nam, Doo-Hyun (Institute of Biotechnology, Yeungnam University)
  • 발행 : 2006.06.30
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초록

To develop a health-aid preparation of Chinese yam (Dioscorea batatas Decne), lactic acid fermentation was attempted using a mixed starter comprising of Lactobacillus acidophilus, Streptococcus thermophilus, and Bifidobacterium bifidus. The anaerobic fermentation of a 5% Chinese yam flour suspension gave a uniform suspension of pH 4.35, containing $7.76{\times}10^6 CFU/mL$ lactic acid bacteria (LAB), and which was found to be acceptable to the panel from a sensory assessment. During the administration of the lactic acid fermented (LAF) Chinese yam to Sprague Dawley rats for 6 weeks, a smaller body weight gain, but greater excretion of feces were observed, implying the creation of a healthy gastrointestine on the administration of LAF Chinese yam, which was also confirmed by the gastrointestinal motility of the feed in rats fed on LAF Chinese yam. The constipation induced by loperamide was further suppressed in a rat group fed on a LAF Chinese yam diet, which was qualified from healthy gastrointestinal flora established by LAB. A serochemical analysis revealed a slight improvement in the blood glucose, neutral lipid and total cholesterol concentrations on administration of LAF Chinese yam, suggesting LAF Chinese yam could be served as a healthy-aid preparation, even for hyperglycemia or hyperlipidemia patients.

키워드

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