1. DEVELOPMENT AND VALIDATION OF A GAS CHROMATOGRAPHY METHOD FOR QUANTITATIVE ANALYSIS OF FATTY ACIDS IN VEGETABLE OILS. Authors: MĂLINA FIASTRU-IRIMESCU, DENISA MARGINĂ.2. CHARACTERIZATION OF SOME PLANT EXTRACTS BY ULTRASOUND-ASSISTED EXTRACTION IN SUNFLOWER OIL USING THIN LAYER CHROMATOGRAPHY AND SPECTROPHOTOMETRY UV-VIS. Authors: MĂLINA FIASTRU-IRIMESCU, DIANA ENE, DENISA MARGINĂ.