| Summary: | <p>Abstract</p> <p>Background</p> <p>KHU14, an ethanolic extract of <it>Radix Gentianae Macrophyllae </it>(<it>Qinjiao</it>), <it>Rhizoma Coptidis </it>(<it>Huanglian</it>) and <it>Citri Unshiu Pericarpium </it>(<it>Wenzhou migan</it>) was tested for its anti-inflammatory effects.</p> <p>Methods</p> <p>Three out of 20 herbs were found to have anti-inflammatory effects. The formulation of these herbs, i.e. KHU14 was tested for croton oil-induced ear edema, carrageenan-induced paw edema, acetic acid-induced capillary permeability, cotton pellet and delayed type hypersensitivity.</p> <p>Results</p> <p>KHU14 exhibited anti-inflammatory effects in animal models of acute and chronic inflammation. The anti-inflammatory activity of KHU14 observed was comparable to that of celecoxib. KHU14 inhibited the production of NO and PGE<sub>2 </sub>in LPS/IFN-gamma-stimulated peritoneal macrophages, and reduced edema and the amount of infiltrated cells in animal models.</p> <p>Conclusion</p> <p>KHU14 exhibited anti-inflammatory effects as demonstrated in typical immunological tests for anti-inflammation <it>in vitro </it>and <it>in vivo</it>.</p>
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