Structural change and complexation of strictly linear amylose induced by sealed-heating with salicylic acid

被引：45

作者：

Oguchi, T ^{[1
]}

Yamasato, H ^{[1
]}

Limmatvapirat, S ^{[1
]}

Yonemochi, E ^{[1
]}

Yamamoto, K ^{[1
]}

机构：

[1] Chiba Univ, Fac Pharmaceut Sci, Inage Ku, Chiba 2638522, Japan

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1998年 / 94卷 / 07期

关键词：

D O I：

10.1039/a707848j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Strictly linear amyloses have been heated in a sealed ampoule in the presence of salicylic acid (SA). When using an amylose of molecular weight 1 310 000 (AS-1310), two types of inclusion complexes, differing in helix structure, were formed, depending on the amount of SA. With 10% SA a complex with 7(1)-helix structure was obtained, with one SA molecule tightly accommodated per helical turn of AS-1310. With 30% SA an 8(1)-helix complex was obtained, in which two SA molecules were assumed to be loosely accommodated per helical turn.

引用

页码：923 / 927

页数：5

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