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Total catechins in the unaerated products from the green leaf coloured tea cultivars were also significantly correlated with antioxidant capacity ( r = 0 . 818 ( * * ) , p <= 0 . 01 ) .
 Chemical: catechins
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: catechins