2605
This work reports an investigation carried out to assess the natural occurrence of ochratoxin A in 168 samples from different fractions obtained during the technological processing of cocoa ( shell , nibs , liquor , butter , cake and cocoa powder ) and the reduction of ochratoxin A during chocolate manufacture .
 Chemical: ochratoxin A; Chemical: ochratoxin A
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: ochratoxin A; Chemical: ochratoxin A