Colour Interval Value Publication Food Name Reference
[ 0.17, 1.49 ) 0.17 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)
[ 1.49, 2.82 ) 2.81 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)