52829
This is because of its fibrous husk , which is important not only in the sparging stage of brewing ( in which water is washed over the mashed barley grains to form the wort ) but also as a rich source of amylase , a digestive enzyme that facilitates conversion of starch into sugars .
 wort
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:
 wort