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author:

倪莉 (倪莉.) [1] (Scholars:倪莉) | 王璋 (王璋.) [2] | 姚文华 (姚文华.) [3] | 许时婴 (许时婴.) [4]

Abstract:

采用拉曼光谱、红外光谱、圆二色性光谱和X-射线衍射法测定了丝素蛋白经氯化钙溶液溶解前后的结构.结果表明,精练丝素的结构以β-折叠为主,存在晶区;可溶性丝素粉末和丝素溶液以无规卷曲为主,基本呈无定形状态.氯化钙溶解丝素的机理可能是,主要通过氯化钙浓溶液的强水化作用、氯离子和钙离子与丝素中酪氨酸残基的结合破坏了丝素分子间的范德华力和氢键,从而使丝素发生膨润而溶解.

Keyword:

β-折叠 丝素 晶区 氯化钙

Community:

  • [ 1 ] [倪莉]福州大学
  • [ 2 ] [王璋]江南大学
  • [ 3 ] [姚文华]复旦大学
  • [ 4 ] [许时婴]江南大学

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Source :

中国食品学报

ISSN: 1009-7848

CN: 11-4528/TS

Year: 2001

Issue: 1

Volume: 1

Page: 12-18

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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