Colour Interval Value Publication Food Name Reference
[ 3.67, 5.72 ) 3.67 mg/100 ml Commercial bottled oolong tea - Hong Kong - Pokka Oolong Tea Xu J.Z., et al (2003) Epimerisation of tea polyphenols in tea .... Journal of the Science of Food and Agriculture 83:1617-1621 PubMed (15182391)
[ 5.72, 7.78 ) 7.77 mg/100 ml Commercial bottled oolong tea - Hong Kong - Vita Oolong Tea Xu J.Z., et al (2003) Epimerisation of tea polyphenols in tea .... Journal of the Science of Food and Agriculture 83:1617-1621 PubMed (15182391)