The Japanese Journal of Nutrition and Dietetics
Online ISSN : 1883-7921
Print ISSN : 0021-5147
ISSN-L : 0021-5147
Volume 29, Issue 3
Displaying 1-8 of 8 articles from this issue
  • [in Japanese]
    1971 Volume 29 Issue 3 Pages 113-114
    Published: 1971
    Released on J-STAGE: October 29, 2010
    JOURNAL FREE ACCESS
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  • Shinjiro Suzuki
    1971 Volume 29 Issue 3 Pages 115-122
    Published: 1971
    Released on J-STAGE: October 29, 2010
    JOURNAL FREE ACCESS
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  • Part 1 Mineral Metabolism in Pregnant Rats
    Hiromaro Seki
    1971 Volume 29 Issue 3 Pages 123-128
    Published: 1971
    Released on J-STAGE: October 29, 2010
    JOURNAL FREE ACCESS
    Metabolism of calcium, phosphorus and magnesium during pregnancy was investigated with 20 primigravida albino rats about 170g body weight of Wister Imamichi strain fed with diets containing Ca 0.534 and 1.077% respectively.
    The animals were divided into four groups (A, B, C and D), and in the early period of pregnancy, A and B group were fed with low-Ca diet and C and D group were fed high-Ca diet. In the middle period, A and D group fed with low, and B and C group with high, then in the last period A and B fed with high, and C and D with low Ca diet.
    In the early period, calcium retention increased with the amount of calcium intake, therefore the absorption and the utilization of calcium were better in high calcium groups. In the middle and last period, the absorption rate was decreased and the amount of calcium retention of group C was smaller than that of calcium requirement for growth of fetuses.
    It seemed that the calcium need to fetuses was removed from the calcium stored in mother rat during the early period of pregnancy.
    From these results, it is considered that high calcium feeding in the middle or in the last period of pregnancy have no effect on calcium utilization, therefore it is preferable to feed high calcium diet from the beginning of pregnancy.
    Absorption and utilization of phosphorus in diet are affected by it Ca/P ratio, and the rats of high-Ca group utilized P better than that of the low-Ca group
    Metabolism of magnesium resembles to that of phosphorus, and high Ca/Mg ratio in diet seems to have good effect on magnesium utilization.
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  • Part 2 Mineral Contents of Fetuses
    Hiromaro Seki
    1971 Volume 29 Issue 3 Pages 129-132
    Published: 1971
    Released on J-STAGE: October 29, 2010
    JOURNAL FREE ACCESS
    To investigate the effect of the dietary calcium level of pregnant rats on the contents of calcium, phosphorus and magnesium of their offsprings, fetuses at 22nd day of gestation were used.
    From the analytical data of 186 fetuses of 20 litters from mother rats on various diets, no siginificant differences could be found between the mineral contents of the fetus of each group and also no direct correlations were found between the growth of fetuses and the amount of calcium retained in mother rats during the pregnancy.
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  • Part 3 Mineral Contents of Pregnant Rats
    Hiromaro Seki
    1971 Volume 29 Issue 3 Pages 133-136
    Published: 1971
    Released on J-STAGE: October 29, 2010
    JOURNAL FREE ACCESS
    The effects of the amount of calcium intake during pregnancy on the contents of calcium, phosphorus and magnesium of the pregnant rats were investigated.
    Just before the delivery, on 22nd day of gestation, the mother rats were killed and analysed, after their fetuses were removed.
    From the analytical data of 20 rats of 4 groups we found that, average percentages of calcium, phosphorus and magnesium of rats of C group fed with the high calcium diet from the beginning were higher than those of the other groups, and also it was found that the percentages of minerals in the bodies were not in parallel with the amount of calcium intake.
    It seemed that, in pregnancy, high calcium feeding in the early or the middle period is better on calcium retention and utilization than other ways.
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  • Kazuko Shindo, Mitsuaki Maki, Tetsuo Ishida
    1971 Volume 29 Issue 3 Pages 137-140
    Published: 1971
    Released on J-STAGE: October 29, 2010
    JOURNAL FREE ACCESS
    Soybean milk prepared from the powdered soybeans was coagulated with calcium sulphate, and then its coagulation was dried moderately. By coagulating after addition of a little soybean oil, or by drying after soakage in 20% saline solution in process of this manufacture, preservability, elasticity, solubility with hot-water and good taste harmonized with both deliciousness and saltiness were given to the new food. And further this new food was very available for the various cookeries.
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  • Shigenobu Ooyama, Fusako Furukawa
    1971 Volume 29 Issue 3 Pages 141-144
    Published: 1971
    Released on J-STAGE: October 29, 2010
    JOURNAL FREE ACCESS
    Data of analysis for the flavour enhancing substances of “Katsuo-senji” (condensed hot water extract of skipjack) were presented.
    The content of amino-N was 1, 760mg%, and peptide-N, 3, 700mg%, was about twice as much as the content of amino-N. It may be considered that these compounds contribute largely to the peculiar flavour of “Katsuosenji”.
    Guanine, inosine and IMP were identified by ion exchange chromatography with Dowex 1, and their contents were 500, 3, 050 and 460μg/g respectively.
    Lactic acid and about twenty kinds of amino acid were found by paper chromatography.
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  • Munemichi Ishita, Eiji Oshino
    1971 Volume 29 Issue 3 Pages 145-148
    Published: 1971
    Released on J-STAGE: October 29, 2010
    JOURNAL FREE ACCESS
    The aim of this study is to get the basic information for our better health guidance to the hypertensive subjects. We chose 248 men and 284 women over thirty years of age in district. They were asked with for their food dietary housing and other living conditions. We also measured their body length and weight and checked their urine, electrocardiograph, X-ray film of their chests as reference.
    The results were as follows;
    1) The people that we examined tended to take rice, miso-soup and pickles as their dietary to show they still stick to the habit from their old days.
    2) The subjects with hypertention, less fish, shellfish, milk, eggs and fats intakes.
    3) Where men were affected, they favored miso-soup which is too salty for them.
    4) Where women were affected, they took less vegetables with green and yellow color.
    5) As for the living conditions, peoples living in houses where were tightly packed and had proper heating apparatus such as kerosene stoves tend to less suffer from hypertention compared with the ones in their traditional house in winter.
    6) We concluded that the guidance was needed not only for the dietary habit but also housing to the subjects with hypertention.
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