A Comparative Analytical Study for the Antioxidant Content of Different Fruits Cultivars

Several studies highlighted the presence of bioactive compounds (polyphenols and flavonoids) in abundant fruits. Experimental animal studies indicated that these bioactive compounds act as antioxidants and combat oxidative stress and its mediated metabolic diseases. This analytical study aimed to compare the polyphenols and flavonoids content of different fruit strands, and to assess their preventive role in combating oxidative stress using in vitro assay model. Total Phenolic content and total flavonoid content were measured through spectrophotometric techniques. Content measured for the total phenolic content and total flavonoid content were obtained through the graphs of Gallic Acid and Catechin standards respectively. Whereas the oxidative stress combat was assayed using glutathione measurement kit. The results indicates that fruits in the citrus group had the highest phenolic content compared to the other fruit groups. Total flavonoid content being highest in the grapes group then followed by the apples group where the values were very similar to each other. Finally, the apple group had proved to have the highest spared glutathione content. In conclusion, the assayed fruits provided the highest polyphenol content and spared glutathione content. It is recommended to consume fruits on daily basis as per the recommended dietary allowances in order to sustain sufficient phytochemical compounds to the human body.