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Dive into the research topics where Masako Yamada is active.

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Featured researches published by Masako Yamada.


Journal of Nutritional Science and Vitaminology | 2017

Effects of Dietary Fish Oil and Apple Polyphenol on the Concentration Serum Lipids and Excretion of Fecal Bile Acids in Rats

Yasue Hosoyamada; Masako Yamada

We studied the effects of fish oil and apple polyphenol combined with a high cholesterol diet in rats, and assessed serum and liver lipids concentrations, serum oxidative stress and fecal bile acid excretion. Young male rats were fed a diet containing the control (Control), apple polyphenol (AP), fish oil (FO) or fish oil+apple polyphenol (FO+AP) for 4 wk. The control diet contained a lard component. Posterior abdominal wall fat and testicle peripheral fat weights decreased in the FO+AP group compared to the AP group. The concentration of total cholesterol in the serum and liver decreased in the FO group and the FO+AP group compared to the Control and the AP groups. The concentration of adiponectin and biological antioxidant potential in the serum increased in the FO group compared to the other groups. The diacron-reactive oxygen metabolites in serum decreased in the FO group and the FO+AP group compared to the Control and the AP groups. The bile acid excretion in feces increased in the AP group, the FO group and the FO+AP group compared to the Control group. These results suggested that the combination of fish oil and apple polyphenol in the diet improved serum and liver lipids, which should assist in the prevention and improvement of metabolic syndrome.


Journal for The Integrated Study of Dietary Habits | 2016

Investigation of bacterial contamination and usage survey of water-bottles

Masako Yamada; Misa Matsuo; Yasue Hosoyamada

近年,水筒を持ち歩く人が増えており,その形状は直 接口をつける形状のものが多い。水筒の衛生状況につい ては,児童が使用していた水筒の水筒口あるいは水筒水 で,一般細菌および大腸菌群が検出されたことが報告さ れている。同様に直接口をつけて飲むペットボトル についても,その飲料中で一般細菌が増殖していたこと が報告されている。 水筒および水筒内飲料の細菌汚染の要因の一つとして, 洗浄不足による飲み口および水筒内の細菌残存,使用す る布巾等の細菌汚染等が考えられる。その他の要因とし ては,口腔内細菌の付着や混入が考えられる。経時的に その数は減少したものの,口腔中の細菌がペットボトル 内で検出された報告もある。 本研究は,水筒の飲み口と水筒内飲料の一般細菌およ び大腸菌群数による汚染状況を知ることで,水筒の衛生 的な使用方法を検討することを目的とした。併せて,水 筒の使用実態調査も行った。 2 .実験方法


Journal for The Integrated Study of Dietary Habits | 2011

The Properties of the Components of Carrot Leaf, and Their Effect on Serum Lipids in Cholesterol-fed Rats

Masako Yamada; Yoshie Yamauchi; Yasue Hosoyamada


Japanese Journal of Complementary and Alternative Medicine | 2018

Distribution of Fat Droplets in Liver Tissue of Rats Fed a Diet with Different Fatty Acid Compositions

Yasue Hosoyamada; Masako Yamada


Journal for The Integrated Study of Dietary Habits | 2017

The available chlorine concentration in commercial and household chlorine disinfectants

Masako Yamada; Yasue Hosoyamada


Japanese Journal of Complementary and Alternative Medicine | 2016

Effects of Dietary Apple Polyphenol on Alcohol-induced Dyslipidemia in Obese Zucker Rats

Yasue Hosoyamada; Masako Yamada


Japanese Journal of Complementary and Alternative Medicine | 2016

Effects of Dietary Fish Oil on the Oxidative Stress in Obese Zucker Rats

Yasue Hosoyamada; Masako Yamada


Journal for The Integrated Study of Dietary Habits | 2013

Effect of dietary fish oil and wakame on concentration of liver lipids and excretion of fecal bile acids in rats

Yasue Hosoyamada; Masako Yamada


THE JAPANESE JOURNAL OF NUTRITION AND DIETETICS | 2012

A Survey on the Current Status of Clinical Nutritional Guidance in Hospitals Reveals the Need for Adequate Education and Training for Registered Dietitians

Masako Yamada; Yasue Hosoyamada; Nozomi Fuse; Yoshie Seto; Takako Sawada; Kunio Ishii


Journal for The Integrated Study of Dietary Habits | 2012

Effect of dietary EPA and DHA concentrate with various phosphatidylcholine to the apparent iron absorption rate in rats

Yasue Hosoyamada; Yoshie Yamauchi; Masako Yamada

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Yasue Hosoyamada

Chiba Prefectural University of Health Sciences

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Chieko Ohya

Nara University of Education

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Nozomi Fuse

Chiba College of Health Science

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