Colour Interval Value Publication Food Name Reference
[ 0.70, 4.67 ) 0.70 mg/100 g FW Red grape Pascual-Teresa de, et al (2000) Quantitative analysis of flavan-3-ols in.... Journal of Agricultural and Food Chemistry 48:5331-5337 PubMed (11087482)
[ 4.67, 8.65 ) 8.64 mg/100 g FW Black grape - Vitis vinifera L. Arts, et al (2000) Catechin Contents of Foods Commonly Cons.... Journal of Agricultural and Food Chemistry 48:1746-1751 PubMed (10820089)