Ryoko Kitawaki
Mukogawa Women's University
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Publication
Featured researches published by Ryoko Kitawaki.
Bioscience, Biotechnology, and Biochemistry | 2009
Ryoko Kitawaki; Yuko Nishimura; Naohiro Takagi; Mitsuhiro Iwasaki; Kimiko Tsuzuki; Mitsuru Fukuda
We examined the effects of lactic acid fermented soymilk, in which part of the soymilk was replaced with okara (soy yogurt), on plasma and hepatic lipid profiles in rats fed a cholesterol-free diet. Additionally, we investigated the effects of soy yogurt on hepatic gene expression in rats using DNA microarray analysis. Male Sprague-Dawley rats aged 5 weeks (n=5/group) were fed a control diet (AIN-93) or a test diet in which 20% of the diet was replaced by soy yogurt for 7 weeks. Soy yogurt consumption did not affect body weight or adipose tissue weight as compared with control diet. In the soy yogurt group, the liver weight and hepatic triglyceride content were significantly lower than the control group, and the level of plasma cholesterol was also lower. Furthermore, DNA microarray analysis indicated that soy yogurt ingestion down-regulated the expression of the SREBP-1 gene and enzymes related to lipogenesis in the rat liver, while expression of β-oxidation-related genes was up-regulated. These results suggest that soy yogurt is beneficial in preventing hepatic lipid accumulation in rats.
Journal of The Japanese Society for Food Science and Technology-nippon Shokuhin Kagaku Kogaku Kaishi | 2007
Ryoko Kitawaki; Naohiro Takagi; Mitsuhiro Iwasaki; Hiroaki Asao; Sanae Okada; Mitsuru Fukuda
Journal of The Japanese Society for Food Science and Technology-nippon Shokuhin Kagaku Kogaku Kaishi | 2009
Naohiro Takagi; Ryoko Kitawaki; Yuko Nishimura; Tomoko Harada; Mitsuhiro Iwasaki; Kimiko Tsuzuki; Mitsuru Fukuda
Journal of The Japanese Society for Food Science and Technology-nippon Shokuhin Kagaku Kogaku Kaishi | 2008
Naohiro Takagi; Ryoko Kitawaki; Yuko Nishimura; Mitsuhiro Iwasaki; Kimiko Tsuzuki; Rie Horiuchi; Mitsuru Fukuda
Archive | 2010
Mitsuru Fukuda; Yuko Nishimura; Tomoko Harada; Naohiro Takagi; Ryoko Kitawaki; Mitsuhiro Iwasaki; Kimiko Tsuzuki
Journal for The Integrated Study of Dietary Habits | 2007
Ryoko Kitawaki; Naohiro Takagi; Rie Horiuchi; Mitsuhiro Iwasaki; Hiroaki Asao; Sanae Okada; Mitsuru Fukuda
Journal for The Integrated Study of Dietary Habits | 2010
Rie Horiuchi; Ryoko Kitawaki; Yuko Nishimura; Norikazu Tanino; Saeko Yokomizo
Journal of the Society of Brewing, Japan | 2009
Ryoko Kitawaki
Journal for The Integrated Study of Dietary Habits | 2009
Rie Horiuchi; Maiko Ooura; Kumiko Fujii; Ryoko Kitawaki; Saeko Yokomizo; Norikazu Tanino; Toru Takahashi
The bulletin of Mukogawa Women's University. Natural science | 2007
Rie Horiuchi; Ryoko Kitawaki; Naohiro Takagi; Mitsuru Fukuda