食品科学 ›› 2002, Vol. 23 ›› Issue (6): 52-56.

• 基础研究 • 上一篇    下一篇

食品溶液凝固点下降的解析计算方法探讨

 荣玉珊   

  1. 天津商学院食品系
  • 出版日期:2002-06-15 发布日期:2012-02-13

Study on Analytic Calculation Method of Falling of Solution Freezing Point in Food

 RONG  Yu-Shan   

  • Online:2002-06-15 Published:2012-02-13

摘要: 本文探讨了食品冻结点下降的解析计算的新思想、新方法,得出ln狖(1-XS)/(1-XS+αXS+βXS2)狚=A(1/T0-1/Tf)-B1n(T0/Tf)。该式与实测结果吻合较好。

关键词: 凝固点降低, 食品溶液, 冻结率, 活度

Abstract: Thearticlediscussedthenewthinki ngandmethodinanalyticcalculatio noffreezingpoint ’ s fallinginfood,and drew the following conclusion:l {(1-X S )/(1-X S +αX S +βX S2 )}=A(1/T 0 -1/T f )-B1n(T 0 /T f ).This formula was perfectly coincidedwith the factual test result.

Key words: Freezing point depression , Foodsolu tions , Freezing solutions , Freezing r atio , Activity