17420
Physicochemical responses and microbial characteristics of shiitake mushroom ( Lentinus edodes ) to gum arabic ( GA ) coating incorporating natamycin ( NA ) during storage were investigated .
 natamycin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 natamycin