Annual Changes of Niacin Intake and Effects of Life Conditions on Niacin Intake Calculated on The Basis of The National Nutrition Survey

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  • 最近の国民栄養調査資料をもとに算出したナイアシンの摂取量並びにそれに及ぼす生活環境要因とその年次推移
  • サイキン ノ コクミン エイヨウ チョウサ シリョウ オ モ ト ニ サンシュ

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Annual changes of niacin intake per caputa per day were calculated on the basis of the results of the National nutrition survey form 1970 to 1989 using the Weighted average tables of niacin and also tryptophan contents of protein in foods. The widely adopted convention that 60 mg of trytophan can be taken as equivalent to 1 mg dietary niacin was used. The mean value of the daily niacin intake was 32.5 mg and it exceeded the Japanese Recommended Dietary Allowance of niacin (about 17 mg). Major sources of niacin from food were fishes, cereals and meats. In addition, the investigation were carried out to be clarified the influential factors on niacin intake. From these studies, it was clarified that the intake of niacin may be considerably high even for the low-income families.

Journal

  • VITAMINS

    VITAMINS 67 (1), 23-29, 1993

    THE VITAMIN SOCIETY OF JAPAN

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