N-(3′,4′,5′-Trimethoxycinnamoyl)ortho-aminobenzoic acid(TOA),at the concentration of 80μg/ml,significantly inhibited the antigen-induced contraction of ileum isolated from the actively sensitized guinea-pig.At the...N-(3′,4′,5′-Trimethoxycinnamoyl)ortho-aminobenzoic acid(TOA),at the concentration of 80μg/ml,significantly inhibited the antigen-induced contraction of ileum isolated from the actively sensitized guinea-pig.At the concentrations of 25 and 50μg/ml, TOA inhibited homocytotropic antibody-mediated degranulation of mast cells in the rat mesentery,and also inhibited anaphylactic histamine release from rat peritoneal mast cells.展开更多
文摘N-(3′,4′,5′-Trimethoxycinnamoyl)ortho-aminobenzoic acid(TOA),at the concentration of 80μg/ml,significantly inhibited the antigen-induced contraction of ileum isolated from the actively sensitized guinea-pig.At the concentrations of 25 and 50μg/ml, TOA inhibited homocytotropic antibody-mediated degranulation of mast cells in the rat mesentery,and also inhibited anaphylactic histamine release from rat peritoneal mast cells.