VITAMINS
Online ISSN : 2424-080X
Print ISSN : 0006-386X
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Volume 69, Issue 9
Displaying 1-10 of 10 articles from this issue
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  • Vitamin B2 and Nekoflavin in the Choroids of Eyes
    Kunio MATSUI
    Article type: Article
    1995 Volume 69 Issue 9 Pages 483-493
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_483
    JOURNAL FREE ACCESS
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    Nekoflavin (NF), isolated from cat's choroids, was identified with chemically synthesized 7α-hydroxyriboflavin. NF was extracted from cat's choroids with water, purified by successive column chromatographies and finally converted to the acetate form. The UV absorption spectrum of NF was very similar to that of riboflavin and the molecular weight of the acetate form was 602. From these facts NF was deduced to be either 7α-hydroxy- or 8α-hydroxyriboflavin (7α or 8αHORF), which were isolated from human urine by Ohkawa et al. The author chemically synthesized 7αHORF from N-acetyl-o-toluidine through 7-cyano-7-demethylriboflavin and 7α-aminoriboflavin. The synthesized acetate of 7αHORF was coincident with the acetate of NF in melting point, molecular weight, and UV absorption and ^1H-NMR spectrum. The free form of 7αHORF was coincident with natural NF in UV absorption sepctrum and also with 7αHORF in human urine in spectra of UV absorption and ^1H-NMR reported by Ohkawa et al.
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  • Dietary Intake of Nutrients in Healthy Infants in Day Care
    Fumiko HIRAHARA, Yoshiko KOIKE, Tomiko NUMANO
    Article type: Article
    1995 Volume 69 Issue 9 Pages 495-501
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_495
    JOURNAL FREE ACCESS
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    The nutrition survey of infants at day care center in Tokyo, on 8 healthy boys and 7 girls, aged 13 to 34 months, 74.8 to 91.3cm body height and 9.6 to 14.3 kg body weight was examined by the method based on the national nutrition survey of Japan. The nutritional status was estimated by calculation using the standard tables of food composition in Japan, 4th revised edition and supplementary table of for fatty acids, cholesterol and vitamin E. The mean values of energy, lipids, protein, retinol, thiamine, riboflavin and ascorbic acid in model menu exceeded the recommended dietary allowance(RDA) for infants of the age. The mean intakes of lipid, energy and polyunsaturated fatty acids, protein in boys and girls were almost the same as those in the RDA. The mean intakes of retinol, riboflavin and ascorbic acid exceeded the RDA for infants of the age. A great difference was found in the lipids, thiamine and vitamin E intake between infants, the mean intake value in 2 years old was lower than those of 1 year olds. The daily cholesterol intake was from 147mg to 235mg. The ratio of E/PUFA was higher than 0.6. The ratios of vitamin E intake per 100 kcal energy and per 1 kg in body weight, were from 0.44 to 0.62mg and from 0.30 to 0.60mg, respectively. As a conclusion, the finding of a smaller intake of principal nutrients in 2 years old infants compared with 1 year old infants, involves many nutritional problems. These results suggest that these infants should be required nutritional advice about a well balanced diet and an available selection of proper foods.
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  • [title in Japanese]
    [in Japanese]
    Article type: Article
    1995 Volume 69 Issue 9 Pages 503-510
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_503
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    Article type: Article
    1995 Volume 69 Issue 9 Pages 511-514
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_511
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    Article type: Appendix
    1995 Volume 69 Issue 9 Pages 515-519
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_515
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    Article type: Article
    1995 Volume 69 Issue 9 Pages 521-522
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_521
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    Article type: Article
    1995 Volume 69 Issue 9 Pages 522-523
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_522
    JOURNAL FREE ACCESS
    Download PDF (294K)
  • [title in Japanese]
    [in Japanese]
    Article type: Article
    1995 Volume 69 Issue 9 Pages 523-524
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_523
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    Article type: Article
    1995 Volume 69 Issue 9 Pages 524-527
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_524
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    Article type: Article
    1995 Volume 69 Issue 9 Pages 527-529
    Published: September 25, 1995
    Released on J-STAGE: December 08, 2017
    DOIhttps://doi.org/10.20632/vso.69.9_527
    JOURNAL FREE ACCESS
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