15575
Vitexin - 2 - O - xyloside , raphasatin and ( - ) - epigallocatechin - 3 - gallate synergistically affect cell growth and apoptosis of colon cancer cells .
 Chemical: Vitexin - 2 - O - xyloside; Chemical: raphasatin; Chemical: ( - ) - epigallocatechin - 3 - gallate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Vitexin - 2 - O - xyloside; Chemical: raphasatin; Chemical: ( - ) - epigallocatechin - 3 - gallate