
Gas chromatography-mass spectrometry (GC-MS) coupled with headspace solid-phase microextraction )HS-SPME) links cocoa variety to chocolate aroma and flavor profiles.
Several common birth control formulations contain both drospirenone and ethinyl estradiol. A highly selective and sensitive analytical method for the analysis of drospirenone in human plasma has been developed for use in bioequivalence studies.






