Review Article
The Food Additive Polyglycerol Polyricinoleate (E-476): Structure, Applications, and Production Methods
Table 5
Lipases tested to catalyze the enzymatic production of PGPR [64].
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1 unit corresponds to the amount of enzyme which liberates 1 μmol acetic acid per minute at pH 7.4 and 40°C, using triacetin as substrate. (2)1 unit corresponds to the amount of enzyme which liberates 1 μmol oleic acid per minute at pH 8.0 and 40°C, using triolein as substrate. (3)1 unit corresponds to the amount of enzyme which liberates 1 μmol butyric acid per minute at pH 8.0 and 40°C, using tributyrin as substrate. (4)1 unit corresponds to the amount of enzyme which liberates 1 μmol fatty acid from a triglyceride per minute at pH 7.7 and 37°C, using olive oil as substrate. (5)As (4) but at pH 8.0. (6)1 unit corresponds to the amount of enzyme which liberates 1 μmol oleic acid per minute at pH 8.0 and 37°C, using cholesteryl oleat as substrate. (7)As (4) but at pH 7.2. |