Noriko Komatsuzaki

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Gamma-aminobutyric acid (GABA) has several physiological functions in humans. We have reported that Lactobacillus paracasei NFRI 7415 produces high levels of GABA. To gain insight into the higher GABA-producing ability of this strain, we analyzed glutamate decarboxylase (GAD), which catalyzes the decarboxylation of L-glutamate to GABA. The molecular weight(More)
To investigate a sourdough-specific peptide, low molecular weight peptides were extracted from sourdough. The peptide fraction was subjected to two kinds of chromatography to separate the peptides. Reverse-phase chromatography of the peptide fraction in the sourdough showed certain specific peptides. The specific peptide fraction was further separated by(More)
To investigate the effects of a dam's dietary elaidic acid (EA) intake during pregnancy and lactation on the fatty acid composition of plasma, erythrocyte membrane, and brain in rat pups, we fed two groups of dams either a soybean oil diet (SOD) or a shortening diet (SHD) containing soybean oil (10%) or shortening (10%), respectively. Although EA was not(More)
The protective effects of live Lactobacillus paracasei NFRI 7415 on alcoholic liver disease were investigated. Male Fischer 344 rats were fed a control diet (CD), an ethanol diet (ED) (35.8% of total energy from ethanol), or an ethanol diet containing 20% live Lb. paracasei NFRI 7415 (10(7) cfu/g) (LD) for 10 weeks. The results indicated that live Lb.(More)
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