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In Vitro Phytochemical Screening and Antioxidant Activity of Carica papaya Plant Parts Collected from Lahore, Pakistan | Abstract
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Journal of Natural Product and Plant Resources

Abstract

In Vitro Phytochemical Screening and Antioxidant Activity of Carica papaya Plant Parts Collected from Lahore, Pakistan

Author(s): Nureen Zahra, Sania Shaheed, Arif Malik

Our research focuses on the antioxidant activity and presence of phytoconstituents, qualitatively and quantitatively
in water and ethanolic extracts of Carica papaya leave, stem and fruit by using standard protocols. Qualitative
phytochemical analysis was done by biochemical testing, quantitative measurements were taken spectrophotometrically
and antioxidant activity of extracts was checked by DPPH radical scavenging activity. The quantified results of our
study revealed that ethanol is appropriate solvent system that contains high quantity of bioactive compounds like
phenols, tannins, carotenoids, steroids and flavonoids than water solvent system. Statistical analysis for antioxidant
activity disclosed that ethanolic leave, fruit and stem extracts remove free radicals 95%, 68% and 26%, respectively
in comparison with water extracts of leave, fruit and stem that kills 7.11%, 3.06% and 2.26%, respectively. Ascorbic
acid was taken as standard that kills 98% free radical species. To conclude, extracts in ethanol solvent system
exhibits prominent antioxidant activity and also contains the high amount of phytochemicals.