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This minireview presents an overview of polyphenols found in Cyclopia and focusses on the phytoestrogenic potential of selected polyphenols and of extracts prepared from the plant .
 Chemical: polyphenols; Chemical: polyphenols
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: polyphenols; Chemical: polyphenols