期刊论文详细信息
卷:9
Soluble extract of soybean fermented with Aspergillus oryzae GB 107 inhibits fat accumulation in cultured 3T3-L1 adipocytes
So, Kyoung-Ha ; Suzuki, Yasuki ; Yonekura, Shinichi ; Suzuki, Yutaka ; Lee, Chan Ho ; Kim, Sung Woo ; Katoh, Kazuo ; Roh, Sang-Gun
关键词: Fermented soybean;    adipocyte;    adipogenesis;    3T3-L1;    Aspergillus olyzae;   
DOI  :  10.4162/orp.2015.9.4.439
学科分类:食品科学和技术
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【 摘 要 】

BACKGROUND/OBJECTIVES: This study was conducted to investigate the effects of fermented soybean (FS) extract on adipocyte differentiation and fat accumulation using cultured 3T3-L1 adipocytes. MATERIALS/METHODS: 3T3-L1 adipocytes were treated with FS and nonfermented soybean (NFS) extract during differentiation for 10 days in vitro. Oil red 0 staining was performed and glycerol-3-phosphate dehydrogenase (GPDH) activity was measured for analysis of fat accumulation. Expressions of adipogenic genes were measured. RESULTS: Soluble extract of soybean fermented with Aspergillus oryzae GB107 contained higher levels of low-molecular-weight protein than conventional soybean protein did. FS extract (50 pg/ml) inhibited adipocyte differentiation and fat accumulation during differentiation of 3T3-L1 preadipocytes for 10 days in vitro. Significantly lower GPDH activity was observed in differentiated adipocytes treated with the FS extract than those treated with NFS extract. Treatment with FS extract resulted in decreased expression levels of leptin, adiponectin, and adipogenin genes, which are associated with adipogenesis. CONCLUSIONS: This report is the first to demonstrate that the water-soluble extract from FS inhibits fat accumulation and lipid storage in 3T3-L1 adipocytes. Thus, the soybean extract fermented with A. oryzae GB107 could be used to control lipid accumulation in adipocytes.

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