17402
In an oil phase enriched with beta - carotene , beta - carotene isomerisation was not influenced by the applied pressure at 100 degrees C and became almost temperature insensitive at 700 MPa .
 Chemical: beta - carotene; Chemical: beta - carotene
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: beta - carotene; Chemical: beta - carotene