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Journal of Nutritional Science and Vitaminology

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2018: Journal of Nutritional Science and Vitaminology
Hiroki Murakami, Takashi Ogawa, Akiho Takafuta, Erika Yano, Nobuhiro Zaima, Tatsuya Moriyama
Oral tolerance prevents allergic responses, but cutaneous exposure to food allergens predisposes individuals to food allergies. Soybean, a major allergenic food, is also an ingredient in various cosmetic products. However, it remains to be determined whether oral tolerance prevents percutaneous sensitization to soybean proteins in humans or animal models. In this study, BALB/c mice were divided into three groups; the SS group fed a soybean-containing diet, and the CS and control (C) groups fed a soybean-free diet...
2018: Journal of Nutritional Science and Vitaminology
Miwa Yamaguchi, Katsuya Takahashi, Ryosuke Kikushima, Megumi Ohashi, Maria Ikegawa, Tetsuro Yakushiji, Yosuke Yamada
We investigated the association of self-reported difficulty of food access, accounting for the perception of food-store accessibility, with nutrient intake among 474 inhabitants (145 men and 329 women) aged ≥40 y in a rural area of Japan. Information on self-reported difficulty of food access and dietary intake was obtained via a self-administrated questionnaire. Analysis of covariance was performed to evaluate the adjusted associations between difficulty of food access and percentages of total energy (i...
2018: Journal of Nutritional Science and Vitaminology
Akiko Masuda, Kayo Hidaka, Sari Honda, Asami Taniguchi, Sayaka Doi, Toshiya Masuda
The radical scavenging activity of commercially available roasted (deep colored) and unroasted (light colored) egoma (Perilla frutescens var. frutescens) oils was evaluated by the DPPH radical scavenging method. The antiradical activity of roasted oils was higher than that of unroasted oils, and the activity of methanol-water extracts from the roasted egoma oils was significantly higher than that of unroasted oils. The antiradical activity of the methanol-water fractions was strongly correlated to that of whole oils (r=0...
2018: Journal of Nutritional Science and Vitaminology
Zhiqiang Wang, Cheng Wang, Jie Qiu, Yali Ni, Sanming Chai, Li Zhou, Jing Li, Bo Yan, Jie Yang, Qing Liu
A case-control study of 10,228 gestational women was conducted in Lanzhou, China, between 2010 and 2012. This study aimed to evaluate the associations between the risk of gestational hypertensive disorders and dietary intake of vitamin C/E. Among this study's participants, 5.41% (n=553) were diagnosed with gestational hypertensive disorders. Of these disorders, 69.44% (n=384) were preeclampsia and 30.56% (n=169) were considered to be gestational hypertension. After adjustment for confounding variables and other relevant dietary nutrients, no association was found between the risk of gestational hypertensive disorders and dietary intake of vitamin C, vitamin E, copper or manganese before or during pregnancy...
2018: Journal of Nutritional Science and Vitaminology
Sachiyo Onishi, Makoto Shiraki, Kayoko Nishimura, Tatsunori Hanai, Hisataka Moriwaki, Masahito Shimizu
This study aimed to clarify the prevalence of sarcopenia, which is characterized by loss of skeletal muscle mass and strength, and its relationship with nutritional state and quality of life (QOL) in patients with digestive diseases. This study enrolled 303 patients (187 men and 116 women with a median age of 70 y) having digestive diseases. Diseases were gastrointestinal in 99 patients, biliary/pancreatic in 93, and hepatic in 111. Skeletal muscle cross-sectional area was measured by abdominal computed tomography at the 3rd vertebra (L3) level...
2018: Journal of Nutritional Science and Vitaminology
Jianhao Xu, Xuya Yuan, Jialong Tao, Na Yu, Runhong Wu, Yusong Zhang
A higher serum 25-hydroxyvitamin D (25(OH)D) concentration benefits colorectal cancer prevention. However, whether it can improve the prognosis among patients is still under discussion. This study aims to explore the impacts of high level 25(OH)D on the survival of colorectal cancer patients. PubMed, Embase, and Cochrane were searched from January 2000 to August 2017 for relevant articles. Only published studies focusing on the relationship between 25(OH)D levels at or near the time of diagnosis and survival were considered...
2018: Journal of Nutritional Science and Vitaminology
Yasuko Fukuda, Shumi Yamamoto, Yuko Taniguchi, Satoko Marukawa, Hiroko Kurihara, Hiromu Nakajima, Tomoyuki Yamasaki
The aim of this study is to investigate how vegetable and fruit intake trends affect the estimated glomerular filtration rate (eGFR) by analyzing therapeutic diet status in elderly type 2 diabetes mellitus patients. The study included 59 elderly patients with type 2 diabetes mellitus (mean age: 70.1±7.8 y) who had previously received therapeutic education for type 2 diabetes mellitus from a clinical team and were subsequently receiving outpatient treatment. Blood examination data were retrospectively collected from medical records and diet status was investigated using a simplified self-administered diet history questionnaire...
2018: Journal of Nutritional Science and Vitaminology
Aya Moriya, Tsutomu Fukuwatari, Katsumi Shibata
The present study aims to determine the most suitable dietary balance of energy-producing nutrients for recovery from starvation. Rats were fed their standard high- carbohydrate diet (HCD, carbohydrate energy : protein energy : fat energy=71 : 18 : 11) for 7 d and then deprived of food for 3 d (short-term starvation) or 8 d (long-term starvation). The starved rats were then fed the HCD, a high-protein diet (HPD, 31 : 57 : 12), or a high-fat diet (HFD, 34 : 14 : 52) for 8 d. Rats had ad libitum access to drinking water throughout the experimental period, including the starvation period...
2018: Journal of Nutritional Science and Vitaminology
Noe Kawade, Yuki Tokuda, Shogo Tsujino, Hiroaki Aoyama, Misato Kobayashi, Atsushi Murai, Fumihiko Horio
The aim of this study was to verify the protective effects of ascorbic acid (AsA) against lipopolysaccharide (LPS)-induced sepsis. The study was conducted using osteogenic disorder Shionogi (ODS) rats, which are unable to synthesize AsA. Male ODS rats (6 wk old) were fed either an AsA-free diet (AsA-deficient group), a diet supplemented with 300 mg/kg AsA (control group), or a diet supplemented with 3,000 mg/kg AsA (high-AsA group) for 8 d. On day 8, all the rats were intraperitoneally injected with LPS (15 mg/kg body weight)...
2018: Journal of Nutritional Science and Vitaminology
Tomono Uchida, Saki Nomura, Hiroaki Oda, Saiko Ikeda
To elucidate the characteristics of γ-tocopherol metabolism, serum concentrations of α- and γ-tocopherol, and urinary excretion of their metabolites after ingestion of α- or γ-tocopherol, major isoforms in our diet, were compared. Six healthy Japanese women (age 22.7±1.7 y old, BMI 21.4±0.9) ingested 134 mg of α- or γ-tocopherol, and blood and urine were collected until 72 h later. After α-tocopherol intake, the serum concentration of α-tocopherol increased at 12-24 h, and urinary excretion of 2,5,7,8-tetramethyl-2(2'-carboxyethyl)-6-hydroxychroman (α-CEHC), an α-tocopherol metabolite, increased at 12-36 h...
2018: Journal of Nutritional Science and Vitaminology
Saiko Ikeda, Fumiaki Hanzawa, Saki Takahashi, Norie Suzuki, Kana Sano, Hiroaki Oda, Tomono Uchida
We have reported that vitamin E intake lowers phylloquinone (PK) concentration in extrahepatic tissues of rats. In this study, we aimed to clarify the characteristic of the distribution of menaquinone-7 (MK-7), a vitamin K contained in fermented foods, by comparison with other vitamin K distributions and to clarify the effect of vitamin E intake on MK-7 concentration in rats. Rats were fed a vitamin K-free diet (Free group), a diet containing 0.75 mg PK/kg (PK group), a 0.74 mg menaquinone-4 (MK-4)/kg diet (MK-4 group), a 1...
2018: Journal of Nutritional Science and Vitaminology
Seong-Woo Choi, Sun-Seog Kweon, Young-Hoon Lee, So-Yeon Ryu, Hae-Sung Nam, Kyeong-Soo Park, Sun A Kim, Min-Ho Shin
Although the kidneys play a leading part in the biosynthesis of vitamin D, there is no consensus regarding the relationship of the vitamin D concentration with kidney function. Thus, we aimed to estimate the correlation among 25-hydroxyvitamin D (25(OH)D), estimated glomerular filtration rate (eGFR), and albumin/creatinine ratio (ACR) in participants aged ≥50 y in Korea. This study consisted of 9,166 people who participated in a basic survey of the Dong-gu Study. Following an overnight fast, the blood and urine sample were assessed...
2018: Journal of Nutritional Science and Vitaminology
Tsuyoshi Kameda, Hideyuki Aoki, Yongshou Yang, Dwi Eva Nirmagustina, Akane Iwamoto, Thanutchaporn Kumrungsee, Norihisa Kato, Noriyuki Yanaka
The regional standard for tempeh established by the Codex Alimentarius defines the use of Rhizopus oligosporus, R. oryzae, and/or R. stolonifer as soybean tempeh starters. However, comparative studies on the functions of tempeh prepared with these Rhizopus species are scarce. In the present study, we examined the effects of dietary tempeh prepared with these three Rhizopus species using rats fed with a high-fat diet. Compared to the control diet, consumption of tempeh prepared with R. stolonifer significantly suppressed serum levels of aspartate transaminase, total bilirubin, and ammonium (indices of liver function)...
2018: Journal of Nutritional Science and Vitaminology
Harri Hemilä
Beta-carotene has been suggested to be a factor for improving the immune system, which implies that it might decrease the risk of infections. We therefore analyzed whether beta-carotene supplementation influenced pneumonia risk in 14,564 Finnish male smokers of the Alpha-Tocopherol Beta-Carotene (ATBC) Study. There were 231 pneumonia cases in the beta-carotene group and 217 cases in the placebo group. Thus, beta-carotene had no effect on the average incidence of pneumonia, RR=1.07 (95% CI: 0.89-1.29). However, cigarette smoking exposure significantly modified the effect...
2018: Journal of Nutritional Science and Vitaminology
Fumika Mano, Kaori Ikeda, Tosiya Sato, Takeo Nakayama, Daisuke Tanaka, Erina Joo, Yoshimitsu Takahashi, Shinji Kosugi, Akihiro Sekine, Yasuharu Tabara, Fumihiko Matsuda, Nobuya Inagaki
Dietary habits and lifestyles are considered to affect the frequency of epigastric symptoms. In our previous study, we found that three amino acids in Japanese broth promoted gastric emptying. We hypothesized that a higher consumption of miso soup which was mainly composed of Japanese broth and miso paste would be associated with a lower frequency of epigastric symptoms. We conducted a cross-sectional study of the association between frequency of miso soup intake and reflux or dyspepsia symptoms in a general Japanese population...
2018: Journal of Nutritional Science and Vitaminology
Tomomi Genda, Takashi Kondo, Shingo Hino, Shunsaku Sugiura, Naomichi Nishimura, Tatsuya Morita
The effects of fructo-oligosaccharides (FOS) on gut-barrier function are still controversial in human and animal studies. Diet conditions would be a major factor for the controversy in animal studies. We fed rats a semi-purified (SP) or a non-purified diet (NP) with or without FOS (60 g/kg diet) for 9 (experiment 1) or 10 d (experiment 2). We assessed microbial fermentation, gut permeability, and inflammatory responses in the cecum (experiment 1), and mucus layer in the cecum, intestinal transit time and microbiota composition (experiment 2)...
2018: Journal of Nutritional Science and Vitaminology
Zhuo-Si Li, Jia-Wen Zheng, Yuki Manabe, Takashi Hirata, Tatsuya Sugawara
Marine carotenoids have been reported to prevent and alleviate lifestyle-related diseases including diabetes and obesity. We previously reported that siphonaxanthin, a green algal carotenoid, effectively suppresses adipogenesis in 3T3-L1 cells and prevents lipid accumulation in mesenteric adipose tissue of KK-Ay mice. Thus, we expect that dietary siphonaxanthin-rich marine green algae may effectively prevent obesity. Here, we assessed the effect of dietary siphonaxanthin-rich green algae (Codium cylindricum) on the development of diet-induced obesity in C57BL/6J mice...
2018: Journal of Nutritional Science and Vitaminology
Junpei Yamamoto, Junko Ishihara, Ayaka Kotemori, Misako Nakadate, Tomotaka Sobue
Acrylamide, classified as a probable carcinogen to humans, forms during high- temperature cooking. Dietary exposure among the Japanese is unknown. To evaluate the validity of estimated acrylamide intake using a dietary record (DR) and the food frequency questionnaire (FFQ) in comparison with the duplicate diet method (DM) in a Japanese population. Design: A validation study was performed with 14 participants (age, 32-50 y; 11 women) from 11 households. Food samples were simultaneously collected for the DM and DR on the same day over 2 consecutive days...
2018: Journal of Nutritional Science and Vitaminology
Hsing-Chun Lin, Chiung-Huei Peng, Chien-Ning Huang, Jeng-Yuan Chiou
Cognitive impairment is a common neurodegenerative disease in the elderly. Dietary factors have an important role in cognitive dysfunction. Soy has many benefits, and consumption of soy-based foods is general in East Asian countries. In this study, we want to investigate the association between cognitive function decline and soy-based food intake among the elderly in Taiwan. This cross-sectional study was based on data obtained from the 2005-2008 Nutrition and Health Survey in Taiwan (NAHSIT). Subjects aged less than 65 y or with missing data were excluded...
2018: Journal of Nutritional Science and Vitaminology
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