3157
beta - Carotene as a provitamin is not soluble in water and is thus usually of low bioavailability , which is enhanced by encapsulation into the nanoparticles .
 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