25443
The addition of 200mg / kg alpha - tocopherol significantly improved the stability of beta - carotene in the conjugate stabilised emulsion .
 Chemical: alpha - tocopherol; 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: alpha - tocopherol; Chemical: beta - carotene