Colour Interval Value Publication Food Name Reference
[ 0.43, 0.95 ) 0.43 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)
[ 0.95, 1.48 ) 1.47 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)