4388
The AnV of the oil after vacuum drainage was lower by about 12 % , the total colour difference was improved by 14 % and viscosity was slightly reduced after 5 days of frying , compared to the values for oil that had been drained at atmospheric pressure .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None