20220
Chebulinic acid significantly reduced free acidity ( 48 . 82 % ) , total acidity ( 38 . 29 % ) and upregulated mucin secretion by 59 . 75 % respectively .
 Chebulinic acid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chebulinic acid