Colour Interval Value Publication Food Name Reference
[ 0.72, 1.26 ) 0.72 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)
[ 1.26, 1.81 ) 1.80 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)