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http://dx.doi.org/10.3746/jkfn.2010.39.6.820

Effects of the Extracts from Gyrophora esculenta and Coriolus versicolor judae Mycelia on the Growth of Intestinal Bacteria  

Park, Kyoung-Ran (Dept. of Food Science and Technology, Chungbuk National University)
Lee, Woon-Jong (Dept. of Food Science and Technology, Chungbuk National University)
Cho, Min-Gyu (Dept. of Food Science and Technology, Chungbuk National University)
Park, Eui-Seok (Metomefood Co., Ltd)
Jeong, Jun-Young (Biolife)
Kwon, Oh-Sung (Biolife)
Yoon, Hyang-Sik (Chungcheongbuk-do Agricultural Research and Extension Services)
Kim, Kwang-Yup (Dept. of Food Science and Technology, Chungbuk National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.39, no.6, 2010 , pp. 820-825 More about this Journal
Abstract
The functional food components from various Basidiomycota were investigated to improve human intestinal microflora, especially associated with obesity. EtOH extract from Gyrophora esculenta fruit body and Coriolus versicolor judae mycelia showed antimicrobial activities on Eubacterium limosum, Clostridium perfrigens, Clostridium paraputrificum, Clostridium difficile and Clostridium ramosum, and on Bacteroides fragilis, respectively. Although the 80% EtOH extract from G. esculenta fruit body and hot-water extract from C. versicolor judae mycelia did not reduce weight of the rats in the high fat diet, these extracts showed stability at high temperatures and at wide pH ranges. In the rat group of feeding 80% EtOH extract from G. esculanta fruit body, Bifidobacterium spp. were increased and Clostridium spp. and Eubacterium spp. were decreased compared to the high fat feeding group. Also sensory evaluation was carried out for the development of prototype drink product. These results demonstrated the possibilities of C. versicolor judae and G. esculenta as a functional food components to control intestinal microbial flora.
Keywords
intestinal microflora; Coriolus versicolor judae; Gyrophora esculenta; antimicrobial activity; obesity;
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