Seasonal Nutrient Fluctuations of Spinach : Spinacia Oleracea

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  • TSUJIMURA Masaru
    Laboratory of Bio-organic chemistry, Kagawa Nutrition University
  • ARAI Kyoko
    Laboratory of Bio-organic chemistry, Kagawa Nutrition University
  • HIGASA Shizu
    Laboratory of Bio-organic chemistry, Kagawa Nutrition University

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Other Title
  • 出回り期の長い野菜[I] : 季節による「ほうれんそう」の栄養成分の変動
  • 出回り期の長い野菜(1)季節による「ほうれんそう」の栄養成分の変動
  • デマワリ キ ノ ナガイ ヤサイ 1 キセツ ニ ヨル ホウレンソウ ノ エイヨウ セイブン ノ ヘンドウ

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Description

Spinach nutrient levels seem to change considerably throughout the year. In this paper, we measured the levels of proximate composition, minerals, carotene, niacin and vitamin C in spinach in spring, summer and winter. The water content in summer was significantly high (p<0.001) compared to that in other seasons, while the levels of protein and carbohydrates were low (p<0.001). Levels of lipid and ash tended to increase in spring. Mineral contents depended on the individual specificity. Vitamin content decreased in summer. In particular, the levels of niacin and vitamin C were significantly lower in summer.

Journal

  • VITAMINS

    VITAMINS 74 (12), 579-581, 2000

    THE VITAMIN SOCIETY OF JAPAN

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