Variations in biochemical composition of the green mussel perna viridis linnaeus of ennore estuary, Madras

M.S. Shafee

Abstract



Seasonal changes in the biochemical composition of intertidal green mussels, Perna viridis LInnaeus from Ennore estuary, Madras were studied during the year 1974. Three peak calorie values (5.638, 5.724 and 5.675 kcal/g ash free) corresponding to three peak protein values (68.00, 68.02 and 65.00% of dry body weight) were noted in mature mussels during the months of March, June and August respectively. The immature mussels exhibited higher values of carbohydrate (29.30, 29.15 and 28.15% of dry body weight) during July, August and September and lower values (19.80, 20.70 and 19.35%) during the monsoon periods of October, December and January. The yearly average caloric values of 5.432 kcal/g for mature mussels and 5.330 kcal/g for immature mussels were considered as mean values for this population

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