“…The drug was treated with various chemical reagents and exposed to visible and ultraviolet light to study their fluorescence behaviour. 15 The presence of heavy metals analysis was carried out quantitatively by Atomic absorption spectrophotometer. 16 Qualitative phytochemical screening was carried out on the grape seed extracts (petroleum ether, chloroform, ethyl acetate, methanol, aqueous) to determine the presence of carbohydrates, flavonoids, phenolic compounds, glycosides, alkaloids, proteins and amino acids, saponins, sterols, mucilage, resins, lipids/fats etc.…”