17304
The purpose of this research was to understand the degradation of ascorbic acid and glutathione content in broccoli florets ( Brassica oleracea L . italica cv . Bellstar ) during prolonged storage and subsequent mechanical processing .
 ascorbic acid, glutathione
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 ascorbic acid, glutathione