Analysis and Evaluation of the Nutritional Composition of Gonads in Female Argentine Squid
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Abstract:
In order to evaluate the nutritional level of the gonads of the female Argentine squid, the general nutrition including amino acid, fatty acid and inorganic elements were analyzed. The results showed that the content of water, crude protein, crude fat and crude polysaccharide (measured by dry weight) were 64.94%~73.39%, 54.61%~73.40%, 2.88%~3.13% and 1.33%~2.79% respectively. In the glands of female Argentine squid 15 kinds of amino acids were detected, of which in the total content was 266.33~369.01 mg/g. The content of essential amino acids was 99.41~159.69 mg/g and accounted for 37.33%~43.78%. The ratio of essential amino acids to nonessential amino acids was 59.56%~77.87%. The composition of essential amino acids is accord with FAO/WHO ideal mode, so that it is a source of high-quality protein. A total of 7 fatty acids were detected, in which the unsaturated fatty acids accounted for 83.77%~85.83%. In the gonads K+, Ca2+, Na+ and Mg2+ were also found in abundant. The experiments results suggested that the gonads of female Argentine squid were rich in nutrition with high value of development and utilization.
