蚕丝丝胶蛋白的结构、性能及利用

Structure, Property and Utilization of Silk Sericin

摘要: 丝绸厂排放的废水中含有大量的丝胶蛋白。丝胶蛋白是一种球状蛋白，含有多种多肽，由18种氢基酸组成，含有较多的丝氨酸，天门冬氨酸和甘氨酸，极性侧链氨基酸占74．61％，丝胶蛋白具有易溶，吸水，凝胶化，可改性和抗氧化等特性，在化妆品，食品、医药和生物材料等方面具有良好的开发潜能。

Abstract: A large quantity of sericin exits in the wastewater drained by the producers of silk yarn and silk fabrics. Sericin, a kind of global protein, consists of different peptides that are composed of 18 kinds of amino acids. Sericin contains more serine, aspar