9697
We postulate that hexanal and nonanal might be better indicators of the shelf life of roasted almonds than the current standard , peroxide value .
 Chemical: hexanal; Chemical: nonanal; Chemical: peroxide
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: hexanal; Chemical: nonanal; Chemical: peroxide