108896
There is evidence that not only gliadin ( the main cytotoxic antigen of gluten ) , but also other proteins named ATIs which are present in gluten-containing cereals ( wheat , rye , barley , and their derivatives ) may have a role in the development of symptoms .
 wheat, rye, barley
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 wheat, rye, barley