21939
Citral is a flavour component widely used in food and cosmetic industries , but is chemically unstable and degrades over time in aqueous solutions due to acid - catalysed and oxidative reactions leading to loss of desirable flavour .
 Chemical: Citral
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: Citral 
Answer:
 Chemical: Citral