净化作用下埃及淡水双壳类鸡血桃的营养价值

Gihan M. Elkhodary, N. E. Omran, Amal A. Hassan, Salwa A. El Saidy, M. Mona
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引用次数: 3

摘要

从寻找蛋白质新来源的角度来看,斑Spathopsis rubens arcuata是生活在埃及尼罗河的淡水双壳类动物之一。对该蛤作为人类食品的质量进行了研究。结果表明,与食用鱼类相比,红箭鱼是一种良好的蛋白质和碳水化合物来源,脂肪来源可以忽略不计。肉豆蔻酸是最丰富的饱和脂肪酸,肉豆蔻酸和亚油酸是最丰富的两种不饱和脂肪酸。非必需氨基酸谷氨酰胺是最主要的氨基酸,其次是天冬氨酸、丙氨酸和亮氨酸。研究食用所调查蛤蜊的安全性是基于:1)研究其重金属含量与环境和净化期的关系;2)研究其相关寄生虫。结果表明:蛤蜊软组织中重金属(Cu、Cd和Pb)的初始浓度较高,超过了法定值;但8天的净化是将Cu、Cd和Pb降低到人类可接受的水平的绝佳策略。对蛤伴生寄生虫的季节性研究表明,蛤伴生寄生虫以非致病性纤毛原生动物Conchophthirus spp .和一种环节动物Batracobdelloides tricarinata为共生生物,以一种吸虫conchicola为寄生生物。本研究的结论是,在净化期达到8天的条件下,在市场上出现的鲁本斯阿瓜可以成为人类的良好食物来源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nutritional Value of the Egyptian Freshwater Bivalve Spathopsis rubens arcuata Under the Effect of Depuration
On the view of finding a new source of protein, Spathopsis rubens arcuata is one of fresh water bivalves inhabiting Nile River, Egypt. The quality of this clam as a human food was investigated. The herein results showed that S. rubens arcuata is a good source of protein, carbohydrate and with a negligible source of fat when compared with edible fishes. Myristic acid was the most abundant saturated fatty acid (SFA) while Myristoleic acid and Linoleic acid were the two most abundant unsaturated fatty acids. The nonessential amino acid Glutamine is the most dominant amino acid followed by Aspartic, Alanine and Leucine. Studying the safety of consuming the investigated clam was based on: 1) Studying the heavy metal content in relation to the environment and after a depuration period, 2) Studying the associated parasites. The results showed that the initial heavy metals (Cu, Cd and Pb) concentrations detected in soft tissues of the clam were high and exceeded the legal values. But the 8 days of depuration was an excellent strategy to reduce Cu, Cd and Pb to an acceptable level for human consumption. Seasonal study of the clam associated parasite showed that S. rubens arcuata harbors nonpathogenic ciliated protozoa Conchophthirus sp. and an annelid Batracobdelloides tricarinata as commensal organisms and a trematode Aspidogaster conchicola as a parasite. The present work concludes that S. rubens arcuata can be a good source of food for human on condition that arises in the market after a period of depuration reached to 8 days.
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