ワカメの生育段階別，部位別，生育環境別による無機成分（Ｃａ，Ｐ，Ｉ，Ｆｅ）含有量

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  • Changes in the mineral contents (Ca, P, I, Fe) of various parts of "Wakame"(Undaria pinnatifida) at different growth stages under various environmental conditions.
  • ワカメ ノ セイイク ダンカイベツ ブイベツ セイイク カンキョウベツ ニ ヨ

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The contents of crude ash, calcium, phosphorus, iodine and iron in the seaweed “Wakame” (Undaria pinnatifida) were determined and compared at different growth stages, and for different parts and different root cultivation intervals. Crude ash, calcium and iron contents decreased with advancing growth stages. Phosphorus content was highest at the third stage, whereas iodine content was independent of growth stage. The mineral contents of leaves, stipes, fruiting bodies and rhizoids of “Wakame” at different growth stages were determined. Densely cultured “Wakame” showed higher contents of crude ash and iron, and a lower calcium content than thinly cultured plants. Contents of iodine and phosphorus were not affected by changes in environmental conditions. The P/Ca molar ratio reached a maximum at the middle stage.

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