ノリの化学組成と環境要因との関連 II : ノリの化学組成に対する海水組成変化の影響

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書誌事項

タイトル別名
  • Correlation between the Chemical Composition of Lavers and the Environmental Factors-II
  • ノリの化学組成と環境要因との関連-II
  • ノリ ノ カガク ソセイ ト カンキョウ ヨウイン ト ノ カンレン 2 ノリ ノ カガク ソセイ ニ タイスル カイスイ ソセイ ヘンカ ノ エイキョウ ソクホウ
  • Influences by Change of Components in the Culture Sea Water on the Chemical Composition of Lavers
  • ノリの化学組成に対する海水組成変化の影響

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抄録

Porphyra tenera and P. yezoensis were cultured in many culture sea waters of various chemical compositions and 14 inorganic and organic compounds of the lavers were analyzed.<br> The correlation between chemical compositions of lavers and compounds of the culture sea waters have been discussed.<br> 1) The quantity of Mn, P and total nitrogen in lavers showed great variations according to their contents in the culture sea waters. The concentration of Mn, P and nitrogen in the culture sea waters was sufficient at Mn: 0.066, P: 1.02, and nitrogen: 9.3mg/l to obtain maximum contents of the respective components. On the other hand, influences on K, Mg, Ca, Fe and S were insignificant.<br> 2) Carbohydrate was classified into three groups, namely, readily acid-soluble sugar, acid-insoluble, alkali-soluble sugar and highly acid-, alkali-resistant sugar. It was recognized that the sum of the sugars and crude protein is nearly constant.<br> 3) The contents of P and acid-insoluble, alkali-soluble sugar in lavers cultured in the early season were higher than in the late season.<br> 4) When physiologically injured lavers were cultured, contents of K, Mn, P and total nitrogen were low while Mg and carbohydrate were high.<br> 5) Interactions and influence of specific gravity of the culture sea water were extremely minimal.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 37 (7), 654-670, 1971

    公益社団法人 日本水産学会

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