Experiment 789814

Details

PropertyValue
Pharmacology
Administration routeORAL
OrganismGinkgo biloba (GINKGOACEAE)
CitationKRESSMANN,S: BIBER,A: WONNEMANN,M: SCHUG,B: BLUME,HH: MULLER,WE:. (2002). INFLUENCE OF PHARMACEUTICAL QUALTIY OF THE BIOAVAILABILITY OF ACTIVE COMPONENTS FROM GINKGO BILOBA PREPARATIONS.. 54(11)
Amount utilized
Compound isolated
DiseaseGINKGO BILOBA CAPSULES (REFERENCE PRODUCT: GINKGOLD) WERE ANALYSED FOR DISSOLUTION RATES AND BIOAVAILABILITY OF THE MOST RELEVANT ACTIVE INGREDIENTS. DISSOLUTION RATES OF PH 1 AND 4.5 WERE DETERMINED ACCORDING TO THE USP 23. THE RELATIVE BIOAVAILABILITY OF GINKGOLIDE A, GINKGOLIDE B AND BILOBALIDE WAS INVESTIGATED AFTER SINGLE ORAL ADMINISTRATION OF 120 MG GINKGO BILOBA EXTRACT AS TABLETS OR CAPSULES. BIOAVAILABILITY DATA (AREA UNDER THE CURVE AND PEAK CONCENTRATION IN PLASMA) WERE CLEARLY DIFFERENT AND DID NOT SHOW BIOEQUIVALENCE OF TEST AND REFERENCE PRODUCTS. THE SLOW IN-VITRO DISSOLUTION OF THE TEST PRODUCT RESULTED IN A LARGE DECREASE IN BIOAVAILABILITY. THESE RESULTS INDICATE FOR THE FIRST TIME THAT THE PHARMACEUTICAL PROPERTIES OF A HERBAL MEDICINAL PRODUCT HAVE A SIGNIFICANT IMPACT ON THE RATE AND EXTENT OF DRUG ABSORPTION, AND VERY LIKELY ON EFFICACY IN HUMANS.
Dose amount120.0 MG
Number1
Qualitative resultACTIVE
AnimalHUMAN ADULT
Per unitDAY
Dose expressionDOSE
ExtractACETONE EXT
GenderGIVEN TO BOTH SEXES