Fig. 2. Effect of type-A procyanidine polyphenols from Cinnamomum zeylanicum (TAPP-CZ) on compound 48/80 (C48/80)-induced histamine (A), β-hexosaminidase (β-HEX) (B), and interleukin 4 (IL-4) (C) release in rat peritoneal mast cells. Data was analyzed by one-way ANOVA followed by Dunnett's test. ^*P<0.05, ^**P<0.01, ^***P<0.001 as compared to C48/80 control group and ^###P<0.001 as compared to normal group. DSCG, disodium cromoglycate.