6629
Black ( aerated ) and green ( unaerated ) tea products , processed from 10 green and 18 purple leaf coloured cultivars of Kenyan origin , and two tea products , from the Japanese cultivars , Yabukita and Yutakamidori , were assayed for total polyphenols ( TP ) content , individual catechin profiles and in vitro antioxidant capacity ( AA ) .
 Chemical: polyphenols; Chemical: catechin
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: catechin