Seasonal changes of lipids and fatty acids in oyster tissues (Crassostrea virginica) and estuarine particulate matter

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Abstract

  • 1.

    1. Lipid concentration in adductor muscle ranged from 2–68, in visceral mass from 5–28, in mantle and gill from 5–20 and in heart from 27.8–79 mg/g wet tissue. Particulate matter lipids varied from 1.0–2.6 mg/1 of estuarine water.

  • 2.

    2. Neutral and polar lipids ranged from 25–38% of the total lipids in the oyster tissue and from 62–75% of the estuarine particulate organic matter.

  • 3.

    3. Seasonal maxima of lipid concentrations varied among oyster tissues. Peak particulate lipids occurred in November.

  • 4.

    4. It is proposed that seasonal variation in oyster lipids was more related to reproductive cycles than to food lipid supply.

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