17305
The initial content of total ascorbic acid and glutathione in broccoli florets averaged at 5 . 18 +/- 0 . 23 and 0 . 70 +/- 0 . 03 mu mol / g fresh weight , respectively .
 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