4171
C . nobile proved to be an equilibrated valuable herb rich in carbohydrates and proteins , and poor in fat , providing tocopherols , carotenoids and essential fatty acids ( C18 : 2n6 and C18 : 3n3 ) .
 Chemical: carbohydrates; Chemical: tocopherols; Chemical: fatty acids
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: carbohydrates; Chemical: tocopherols; Chemical: fatty acids