CALORIMETRIC STUDY OF THE GLASS-TRANSITION OCCURRING IN FRUCTOSE SOLUTIONS

被引：49

作者：

ABLETT, S ^{[1
]}

IZZARD, MJ ^{[1
]}

LILLFORD, PJ ^{[1
]}

ARVANITOYANNIS, I ^{[1
]}

BLANSHARD, JMV ^{[1
]}

机构：

[1] UNIV NOTTINGHAM,SCH AGR,DEPT APPL BIOCHEM & FOOD SCI,LOUGHBOROUGH LE12 5RD,LEICS,ENGLAND

来源：

CARBOHYDRATE RESEARCH | 1993年 / 246卷

关键词：

D O I：

10.1016/0008-6215(93)84020-7

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The glass transition temperatures for dilute and concentrated fructose-water solutions have been determined by differential scanning calorimetry. The supplemented phase diagram is presented, and from this, the glass transition temperature (T(g)') and concentration (C(g)') of the maximally freeze-concentrated glass have been determined and found to differ, significantly for the latter and slightly for the former, from recently published values. Reasons for this discrepancy are discussed. Annealing vitrified fructose-water glasses above their T(g) allows the fructose concentration in the amorphous phase to approach C(g)' as a result of ice formation.

引用

页码：13 / 22

页数：10

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