4561
Further investigations revealed that polydatin displayed little toxic effects and significantly ameliorated the renal function in fructose - induced UN mice .
 Chemical: polydatin; Chemical: fructose
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: polydatin; Chemical: fructose