The Japanese Journal of Nutrition and Dietetics
Online ISSN : 1883-7921
Print ISSN : 0021-5147
ISSN-L : 0021-5147
Volume 54, Issue 6
Displaying 1-6 of 6 articles from this issue
  • Part 2: In the Case of Japan
    Miyuki Adachi, Yukari Takemi
    1996 Volume 54 Issue 6 Pages 331-340
    Published: December 01, 1996
    Released on J-STAGE: November 26, 2010
    JOURNAL FREE ACCESS
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  • Akiko Suzuki, Toru Takiguchi, Aiko Maeguchi, Katsuhiko Kawaminami, Kay ...
    1996 Volume 54 Issue 6 Pages 341-352
    Published: December 01, 1996
    Released on J-STAGE: November 26, 2010
    JOURNAL FREE ACCESS
    Increasingly high prevalence of “adult diseases” is creating a serious problem in Japan. Individual life style and dietary habits are considered to largely affect development of such diseases, and early detection and prevention in younger generations are important. This study aimed at analyzing the factors influencing the intake of soft drinks in high school students who are in the period of becoming self-supporting in dietary life, and proposed a multiple factor model based on a questionnaire survey.
    1) It was suggested that intake of soft drinks was strongly influenced by the contents of meals, because of a supplemental relationship between foods and soft drinks.
    2) It was indicated that excessive soft drink intake (>1, 500ml) was strongly influenced by (1) habit of after-supper snacks, (2) habit of not taking staple foods for breakfast, (3) habitual use of “convenience” foods, and (4) habit of taking supper other than at home, and that various daily life habits were the background factors. Controlling the soft drink intake should be carried out by considering these factors.
    3) The intake of soft drinks clearly depended on inappropriate habits of daily living, while the intake of milk depended on appropriate habits of daily living.
    Based on the results indicating that high school students are easily influenced by their living environment, it was concluded that guidance in health education and prevention of “adult diseases” for minors would be ineffectual if emphasis was placed only on restrictions on soft drink intake.
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  • Toshiro Hayashi, Toshiko Onoue
    1996 Volume 54 Issue 6 Pages 353-359
    Published: December 01, 1996
    Released on J-STAGE: November 26, 2010
    JOURNAL FREE ACCESS
    It is well known that vegetables containing a large quantity of nitrate are used for pickles, and that a part of nitrate changes to nitrite during the pickling process because of microbial action. Addition of sorbate to pickles as a preservative is officially recognized, but sorbate is known to produce various mutagens by reacting with nitrite. We developed a method of analysis of nitrate, nitrite and sorbate in pickled vegetables using HPLC under the following conditions; column, IC-Pak anion column; mobile phase, 5mM-HK2PO4; flow rate, 0.8ml/min; injection volume, 20μl/; temperature, 40°C; and detection wavelength, 215nm. Sorbate was detected in 13 out of 36 samples of commercially sold pickled vegetables. The nitrite content in these 13 samples was low compared with sorbate-free samples, suggesting that nitrite formation was depressed by sorbate and that possibility of mutagen formation by the reaction of sorbate and nitrate was extremely small.
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  • Etsuko Yasugi, Kazuko Nakanishi, Masatoshi Kajimoto, Mieko Oshima
    1996 Volume 54 Issue 6 Pages 361-368
    Published: December 01, 1996
    Released on J-STAGE: November 26, 2010
    JOURNAL FREE ACCESS
    Triglyceride, total cholesterol, HDL-cholesterol, lipoprotein (a) and fatty acids in serum of Chinese residents (41 men, 48 women) in Yokohama were analyzed. The determined serum levels of triglyceride, total cholesterol and HDL-cholesterol of the subjects were compared with those of Chinese residents in Beijing, Singapore and Taipei as reported. There were observed significant differences among the places of residence. The total cholesterol level of Chinese in Yokohama was higher than in males and females in Beijing and females in Taipei, but lower than males and females in Singapore. The level of distribution of lipoprotein (a) of Chinese in Yokohama was similar to those of Chinese in Beijing, Singapore and Taipei, suggesting similar genetical populations. In the serum fatty acid composition of Chinese in Yokohama, linoleic acid was the most prominent component, accounting for 34.7±4.3%(mean±SD, males and females) of the total fatty acids. The ratio of saturated fatty acids/monounsaturated fatty acids/polyunsaturated fatty acids was 1/0.73/1.6 and the ratio of n-6 polyunsaturated fatty acid/n-3 polyunsaturated fatty acids was 6.7±2.3. The n-6/n-3 ratioof serum fatty acids of Chinese was considerably higher than that of Japanese.
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  • Ken Saito, Masanobu Tatsumi
    1996 Volume 54 Issue 6 Pages 369-376
    Published: December 01, 1996
    Released on J-STAGE: November 26, 2010
    JOURNAL FREE ACCESS
    We conducted a 3-day nutritional survey in the fourth week of February, 1984 among 4th and 5th graders of elementary schools in Morioka; 130 control subjects (obesity ratio of ±10%) and 131 obese subjects (obesity ratio of >30%). We examined dietary intake (caloric and nutrient intake) and conducted a questionnaire survey on dietary habits and body weight changes of obese children.
    1) There was no significant difference in the intake level of nutrients among boys of the two groups, but girls of the obese group showed less energy and nutrient intake.
    2) Intake of rice was significantly larger in obese boys, while that of all food groups was less in obese girls.
    3) The survey on dietary habits revealed a low frequency of snack intake among boys and girls of the obese group, with a significant difference for girls. Frequency of being told to eat more was evidently lower among obese children, whereas frequency of being cautioned against eating so much was remarkably high for these children.
    Within two months from the time of survey, the obesity ratio decreased by 2.9%(from 46.1% to 43.2%) for obese boys and 4.5%(from 40.1% to 35.6%) for obese girls. The result suggests a strong possibility that the quantity of foods consumed by obese children is definitely greater than that reported by themselves.
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  • Sada Chikaraishi, Kouzou Shiga, Seiichi Kaneko
    1996 Volume 54 Issue 6 Pages 377-382
    Published: December 01, 1996
    Released on J-STAGE: November 26, 2010
    JOURNAL FREE ACCESS
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