6315
In terms of V ( max ) / K ( m ) , the cucurbitacin E was the best substrate of UDP - glucuronosyltransferases .
 Chemical: cucurbitacin E; Chemical: UDP
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: cucurbitacin E; Chemical: UDP