7408
Plants and plant cells have been used to produce many diverse and valuable recombinant proteins , including subunit vaccines , antibodies and antibody fragments , hormones , blood products , cytokines and enzymes .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None