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农学学报

农学学报 ›› 2011, Vol. 1 ›› Issue (5): 28-31.

所属专题： 水产渔业

• 农业工程 农业机械 生物技术 食品科学 • 上一篇    下一篇

史氏鲟鱼鱼籽营养成分分析及评价

饶秋华 罗土炎 苏德森 钱爱萍   

  • 收稿日期:2011-05-23 修回日期:2011-06-29 出版日期:2011-07-15 发布日期:2011-07-15

Analysis and Evaluation on the Nutritional Components of Acipenser schrenckii

  • Received:2011-05-23 Revised:2011-06-29 Online:2011-07-15 Published:2011-07-15

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摘要：

通过研究史氏鲟鱼鱼籽中主要营养成分的含量，利用蛋白质营养的化学评估，为鲟鱼鱼籽的深加工提供参考，为鲟鱼资源的开发及综合利用提供科学依据。采用常规测定方法分析史氏鲟鱼鱼籽中的营养成分。检测结果显示史氏鲟鱼鱼籽中粗蛋白含量为26.00%；18种氨基酸含量为25.21%，其中必需氨基酸的含量为10.16%，占氨基酸总量的40.30%，必需氨基酸与非必需氨基酸的比值为67.51%，第一限制氨基酸为色氨酸，其氨基酸评分为92；不饱和脂肪酸占脂肪酸总量的62.8%，EPA和DHA共占10.3%；矿物质含量丰富，尤其是Fe、Zn，达22.07 mg/kg和18.00 mg/kg。因此，史氏鲟鱼鱼籽具有高蛋白、低糖的特点；蛋白中氨基酸种类齐全，配比合理；含有丰富的矿物质和不饱和脂肪酸，是一种值得大力开发研究与推广的优质资源。

关键词: 糖转运蛋白, 糖转运蛋白, SWEET基因家族, 蛋白质结构, 生理功能, 进化分析

Abstract:

It is the research on main nutrient components and chemical protein evaluation of Acipenser schrenckii roe that provide reference for deep processing of Acipenser schrenckii roe and scientific basis for exploitation, and comprehensive utilization of Acipenser schrenckii resources. The nutritive components of Acipenser schrenckii roe were determinated by conventional analytical methods. The results showed that the crude protein content of Acipenser schrenckii roe was 26.00%. The 18 amino acids content of Acipenser schrenckii roe was 25.21%. Among these amino acids, the essential amino acids content was 10.16%, and the fraction of essential amino acids was approximately 40.30%. The ratio of essential amino acids to non-essential amino acids was 67.51%. Tryptophane, the first limiting amino acids, scores 92. The unsaturated fatty acids amount of ASO was 62.8%. The EPA and DHA amount of Acipenser schrenckii roe reached to 10.3%. The content of mineral elements, such as Fe and Zn, were high. Its content was 22.07 mg/kg, 18.00 mg/kg, respectively. Acipenser schrenckii roe had the characteristics of high protein, low carbohydrate, and reasonable proportion of amino acid, abundant minerals and abundant unsaturated fatty acid, which had a bright application future.