“…,aminosalicylates have been … of arachidonic acid ; particularly inhibition of leukotrien B4 production, (2)free radical scavengers; scavenging reactive oxygen metabolites or nitric oxide (3)immunologic suppression; inhibition of …-1 and IL-2) production, adhesion molecule expression, platelet-activating factor release, or histamine release from mast cell, and so on.”