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      • The Effects of Yellow Soybean, Black Soybean, and Sword Bean on Lipid Levels and Oxidative Stress in Ovariectomized Rats

        Byun, Jae Soon,Han, Young Sun,Lee, Sang Sun Hogrefe Publishing Group 2010 International journal for vitamin and nutrition re Vol.80 No.2

        <P> Soy isoflavones have been reported to decrease the risk of atherosclerosis in postmenopausal women. However, the effects of dietary consumption of soybean have not been explored. In this study, we evaluated the effects of consuming yellow soybeans, black soybeans (Glycine max), or sword beans (Canavalia gladiate) on lipid and oxidative stress levels in an ovariectomized rat model. Forty-seven nine-week-old female rats were ovariectomized, randomly divided into four groups, and fed one of the following diets for 10 weeks: a diet supplemented with casein (NC, n = 12), a diet supplemented with yellow soybean (YS, n = 12), a diet supplemented with black soybean (BS, n = 12), or a diet supplemented with sword bean (SB, n = 11). Plasma triglyceride (TG) levels in the BS and SB groups were significantly lower than that in the NC group. Notably, the BS group had significantly lower plasma total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C) levels than the other groups. Hepatic total lipid levels were significantly lower in the YS and SB groups, and cholesterol levels were significantly lower in the SB group than in the NC group. Superoxide dismutase (SOD) and catalase (CAT) activities were significantly higher in the groups fed beans compared to the NC group. Hepatic thiobarbituric acid reactive substances (TBARS) levels were also significantly lower in the BS and SB groups than the NC group. In conclusion, our results suggest that consumption of various types of beans may inhibit oxidative stress in postmenopausal women by increasing antioxidant activity and improving lipid profiles. Notably, intake of black soybean resulted in the greatest improvement in risk factors associated with cardiovascular disease. </P>

      • The Effects of Uncoupling Protein 1 and β3-Adrenergic Receptor Gene Polymorphisms on Weight Loss and Lipid Profiles in Obese Women

        Kim, Jung Yun,Lee, Sang Sun Hogrefe Publishing Group 2010 International journal for vitamin and nutrition re Vol.80 No.2

        <P> The purpose of this study was to investigate whether the genetic polymorphisms of the uncoupling protein 1 (UCP1) and beta 3 adrenergic receptor (β3-AR) were associated with differences in weight loss and lipid profiles in obese premenopausal women exposed to low-calorie meal replacements over a period of six weeks. Forty women between the ages of 20 and 35 were randomly divided into two groups, each of which consumed one of two low-calorie meal replacements containing either white rice or mixed rice. Although body weight, body mass index (BMI), blood glucose concentration, triglycerides, total cholesterol (TC), and high-density lipoprotein cholesterol (HDL-C) were not significantly different by the UCP1 genotype in the white rice group, there were significant differences in body weight (p = 0.041), BMI (p = 0.027), and blood glucose concentration (p = 0.047) between carriers and non-carriers of the G allele in the mixed rice group after the six-week meal replacement intervention. The β3-AR polymorphism showed no apparent affect on these parameters. Dietary fiber affects weight gain since it is closely related with absorption of nutrients. As a result, the AA type UCP1 genotype produced significant weight loss in the mixed rice group, but not in the white rice group. </P>

      • Toward a Person × Situation Model of Selective Exposure : Repressors, Sensitizers, and Choice of Online News on Financial Crisis

        Kim, Jinhee,Kim, Jung-Hyun,Seo, Mihye Hogrefe Publishing Group 2014 Journal of media psychology Vol.26 No.2

        <P> The present study attempted to predict selective exposure to media messages as a function of personality and situation, which has rarely been examined in prior relevant research. Employing a quasi-experimental method, the interplay between prevailing perceived threat from the economic crisis that started in 2008 and each of the two personality types when dealing with threat - repression and sensitization - was examined to predict online news selection behavior, as unobtrusively recorded. A significant interaction between perceived threat and sensitization tendency was obtained for both the selection of financial crisis-related news and avoidance of financial crisis-unrelated news. The implications of this exclusive pattern of online news selection behavior are discussed. </P>

      • Comparative Epidemiology of Suicide in South Korea and Japan: Effects of Age, Gender and Suicide Methods

        Kim, Seong Yi,Kim, Myoung-Hee,Kawachi, Ichiro,Cho, Youngtae Hogrefe Publishing Group 2011 Crisis Vol.32 No.1

        <P> Background: Suicide is one of the leading causes of mortality in both South Korea and Japan. Aims: The study aims to compare the descriptive epidemiology of suicide over the last two decades (1985-2006) and to explore the conditions associated with the different distribution of suicides in both countries. Methods: Age-standardized suicide rates were obtained from the OECD Health Data 2009. Age-specific suicide rates for the age groups were calculated from the WHO Mortality Database. Suicide methods were identified based on ICD-10. Results: Through 1980-2000, Japan showed consistently higher suicide rates compared to Korea. However, from the mid-1990s, Korea showed an acute increase of suicides and finally surpassed Japan; the age-standardized suicide rate of Korea increased from 10.2 (per 100,000) in 1985 to 21.5 in 2006, while it slightly increased from 18.4 to 19.1 in Japan. The highest age-specific suicide rate was observed among Japanese men aged 45-64 years and Korean men aged over 64 years. The increase of elderly suicides among Korean women was notable. The gender ratio increased in Japan and decreased in Korea, respectively. The preferred suicide methods were hanging and pesticide poisoning in Korea and hanging in Japan. Because of the limited number of observations, hypothesis testing of specific risk factors was not possible. Conclusions: Age and gender distribution of suicide rates differed considerably between the two countries. Welfare protection throughout the life course in both countries, and pesticide regulation in Korea would be helpful in reducing the burden of suicide mortality in both countries, even if the social values could not be changed in a short time. </P>

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