Colour Interval Value Publication Food Name Reference
[ 8.85, 9.41 ) 8.85 mg/100 ml Green tea infusion, Taiwan, Leaf Kuhr, et al (1991) Determination of flavanols, theogallin. Zeitschrift fuer Lebensmittel Untersuchung und Forschung 192:526-529 PubMed (8717094)
8.87 mg/100 ml Green tea infusion Stewart A.J., et al (2005) On-line high-performance liquid chromato.... Molecular Nutrition and Food Research 49:52-60 PubMed (15602765)
[ 9.96, 10.53 ) 10.52 mg/100 ml Green tea infusion, China, Leaf Kuhr, et al (1991) Determination of flavanols, theogallin. Zeitschrift fuer Lebensmittel Untersuchung und Forschung 192:526-529 PubMed (8717094)