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KMID : 1024420170210030242
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Food Engineering Progress
2017 Volume.21 No. 3 p.242 ~ p.248
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Identification and Fermentation Characteristics of Lactic Acid Bacteria that Produce Soy Curd With Low Sour Taste
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Kim Su-In
Jung Min-Gi
Lee Seung-Min
Kang Moon-Sun
Seong Jong-Hwan
Lee Young-Guen
Kim Han-Soo
Chung Hun-Sik
Kim Dong-Seob
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Abstract
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The acidity of soy curd fermented by lactic acid bacteria is a major factor degrading the sensory properties of soy curd. For preparation of soy curd with low sour taste, lactic acid bacteria were separated from kimchi. The lactic acid bacteria which showed yellow-clear zone around the colonies on BCP plate and formed soy curd with low level of acidity were selected. The selected strain was analyzed by 16S rDNA sequence and named as Pediococcus inopinatus Y2. The maximum viable cell number of the soy curd fermented by P. inopinatus Y2 was obtained at 10.73 log CFU/mL at 25°C for 24 h of fermentation. By the results of panel test, the overall sensory quality of the soy curd produced by P. inopinatus Y2 was higher than that of Leuconostoc mesenteroides No. 4395 and Lactobacillus sakei strain No. 383.
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KEYWORD
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fermentation characteristics, lactic acid bacteria, soy curd, identification, kimchi
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