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亚硝基血红蛋白的组成与功能——兼与酪蛋白和大豆分离蛋白作比较

作  者:
施春权;孔保华;张天琪;邢绍平
单  位:
东北农业大学食品学院
关键词:
亚硝基血红蛋白;组成;功能性质;比较
摘  要:
本试验用新鲜猪血细胞为原料合成的亚硝基血红蛋白,并对产品进行真空冷冻冻干,研究了亚硝基血红蛋白粉末中的亚硝酸钠、蛋白质含量以及氨基酸种类及含量。结果表明,蛋白粉末中的亚硝酸钠含量为4.20mg/kg、蛋白质含量为93.65%、氨基酸总量为78.37%、铁含量为0.03%;同时,还对蛋白粉末的溶解性、乳化性和持水持油性能进行研究,并与大豆分离蛋白和酪蛋白进行比较,结果表明亚硝基血红蛋白具有较好的溶解性能、持水性能与持油性能,但乳化性较差。
译  名:
Composition and Function of Nitrosohemoglobin——and Comparison with Casein and Soy Protein Isolate
作  者:
Shi Chun-quan, Kong Bao-hua, Zhang Tian-qi, Xing Shao-ping (College of Food Science, Northeast Agricultural University, Harbin 150030, china)
关键词:
Nitrosohemoglobin, Composition, Functional properties, Comparison
摘  要:
The compositions of nitrosohemoglobin, including the content of nitrite, the content of protein and the variety and the amount of amino acid and the the content of iron have been determined in this review. The result showed that the content of nitrite is 4.20mg/kg, the content of protein is 93.65%, the amount of amino acid is 78.37% and the content of iron is 0.03%. At same time,nitrogen solubility index, emulsifying activity index,water holding capacity and oil holding capacity of nitrosohemoglobin were determined compared to casein and soy protein isolate’s.The result indicated that solubility, water holding capacity and oil holding capacity were excellent but emulsifying activity was not good as casein and soy protein isolate’s.

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