Colour Interval Value Publication Food Name Reference
[ 1.02, 1.82 ) 1.02 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)
[ 1.82, 2.64 ) 2.63 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)