English-bug

 

1．  Enzymes are complex globular protein catalysts that accelerate chemical reaction rates by factors of 1012-1020 over that of uncatalyzed reactions at temperatures around 37℃.（用介词at）

 

2．  By contrast, industrial catalysts (inorganic substances) are orders of magnitude less effective(若干个数量级) than enzymes under comparable（比得上的） conditions.

 

3．  For example the reduction of hydrogen peroxide catalyzed by cataloes ,occurs 10 million times faster than it does when catalyzed by colloidal platinum at 37℃.(注意表示多少倍的比较结构)

 

 

4．  This means that foods can be processed or modified by enzymes at moderate temperature ,say 25-50℃,where food products would not otherwise undergo changes at a significant rate .(其意思为“要不然”，“否则”，此处其位置叫为特别)

 

5．  Of course, one basis for heat processing is to denature and inactivate enzymes so that the food is not subjected to continuing enzymes activity.（意为承受得起，后接动名词）

 

6．  Another important aspect of enzymes activity in addition to catalytic power is the specificity of enzymes reactions.（意为除…以外）

 

 

7．  By far the largest group of enzymes used in food processing is the hydrolases.(意为“远远超过”或“显然”)