21781
In results , the yields and phlorotannins were increased two - to - four times in summer ( June - October ) and then , were decreased to normal levels in winter ( November - March ) .
 Chemical: phlorotannins
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: phlorotannins