アサリの成長にともなう一般成分および無機成分の変動

概要

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The variations in contents of nutritive components and of several nutritive elements with the growth were studied for the edible portions of short-neck clams Tapes japonica. These were caught at Aio in Yamaguchi Prefecture in April, 1980. The results obtained are as follows. During the growth, the moisture content decreased, while the carbohydrate content increased. The contents of protein and lipid were constant at each stage of the growth. Ash is a minor component and its content clearly decreased with the growth. The calcium content decreased rapidly, and the magnesium, sodium, potassium, and phosphorus contents decreased slightly with the growth of the shell. The iron content increased up to the stage where the shell length reached thirty millimeters, and decreased thereafter. These results suggest that the contents of the nutritive elements are highest at the first stage of the growth.
日本水産學會の論文