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The biochemical composition of the cypris larva of the barnacle Balanus balanoides L.
Holland, D.L.; Walker, G. (1975). The biochemical composition of the cypris larva of the barnacle Balanus balanoides L. J. Cons. - Cons. Int. Explor. Mer 36(2): 162-165. dx.doi.org/10.1093/icesjms/36.2.162
In: Journal du Conseil - Conseil International pour l'Exploration de la Mer. Conseil International pour l'Exploration de la Mer: Copenhagen. ISSN 0020-6466, more

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Keywords
    Biochemical analysis; Balanus balanoides Linnaeus, 1767 [WoRMS]; Marine

Authors  Top 
  • Holland, D.L.
  • Walker, G.

Abstract
    The biochemical composition of the cyprids of Balanus balanoides is described. The mean total freeze-dried weight per cyprid was 37.7 µg. Mean values, as percentages of total dry weight were 9.2% neutral lipid, 4.8% phospholipid, 0.8% polysaccharide, 2.7% free sugars, 6.8% protein nitrogen, 8.2% total nitrogen, 3.2% chitin and 12.4% ash.

    Free-swimming cyprids, prevented from settling for up to 8 weeks at 8°C utilised their neutral lipid (triglyceride) reserves. At the end of this period 90% of the initial neutral lipid reserves were depleted. There was only a slight decrease in the phospholipid, free sugar and nitrogen content of the cyprids, and the polysaccharide content remained comparatively constant.

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