21806
In their free form , cis - antheraxanthin degraded 30 - fold faster while cis - violaxanthin instantaneously disappeared because of the isomerisation of its 5 , 6 - epoxy groups into 5 , 8 - epoxy .
 Chemical: cis - antheraxanthin; Chemical: cis - violaxanthin; Chemical: 5 , 6 - epoxy; Chemical: 5 , 8 - epoxy
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: cis - antheraxanthin; Chemical: cis - violaxanthin; Chemical: 5 , 6 - epoxy; Chemical: 5 , 8 - epoxy