Relationship of symptomatology, gender, and antipsychotic drug treatment with plasma homovanillic acid in schizophrenia;

Relationship of risperidone in the acute phase of schizophrenia with plasma homovanillic acid;

Methods We measured the content of do pamine (DA),3,4-dihydroxyphenylacetic acid (DOPAC),and homovanillic acid(HVA ) by high pressure liquid chromatography (HPLC) with electrochemical detection ( ECD) at 0 (at the end of ischemia),5,30,and 60 min of reperfusion in striatal of the brain after occlusion of both common carotid arteries for 5 min in gerbi ls .

Streptomyces biotransformation of ferulic acid to vanillic acid;

Determination of vanillin,ferulic acid and vanillic acid by capillary zone electrophoresis;