67
As M . scandens is a highly abundant invasive plant in Sri Lanka and other South Asian countries , this plant could be developed as an environment friendly natural herbicide , either in crude form as shredded plant material or as pure mikanolide , which is the major constituent ( ~ 0 . 02 % ) in the plant .
 mikanolide
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 mikanolide