Figure 4From: Bergamot (Citrus bergamia Risso) fruit extracts and identified components alter expression of interleukin 8 gene in cystic fibrosis bronchial epithelial cell linesCharacterization of the coumarin/psoralen portion of the bergamot extracts by HPLC analysis. The percentage (w/w% ± SD) of citropten (5,7-dimethoxycoumarin), bergamottin (5-geranyloxypsoralen) and bergapten (5-methoxypsoralen) were determined for the three bergamot extracts by HPLC analysis.Back to article page