一种局部用制剂含有6～9份(重量、下同)连翘果实、6～9份吴茱萸果实、3～5份黄柏皮、4～6份杨梅、5～7.5份枇杷、3～5份蕺菜Houttuynia cordat......

[Objective] To determine methyl-n-nonyl-ketone content in dried Houttuynia cordata Thumb.by gas chromatography.[Method] ......