4356
12 . 5 kg of radish seeds , which contained 87 . 5 g of sulforaphene , produced 117 . 5 g of sulforaphene - rich extract of 65 . 8 % sulforaphene after primary separation by SP - 700 macroporous resin .
 sulforaphene, sulforaphene, sulforaphene
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 sulforaphene, sulforaphene, sulforaphene