25282
The effect of application of alpha - amylase , viscozyme , cellulase , protease and pectinase enzymes to ginger on the oleoresin yield and 6 - gingerol content has been investigated .
 6 - gingerol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 6 - gingerol