CAPABILITY OF DIFFERENT PLANT PARTS OF CARICA PAPAYA TO SCAVENGE PEROXIDE FREE RADICAL IN VITRO
Vijaya Shrivastava Kaushal*, Karuna S. Verma and Akhilesh Ayachi
ABSTRACT
In the present study, the total phenolic content and peroxide scavenging activity of phytochemicals from different plant parts of a common tropical fruit Carica papaya were evaluated. The methanolic and ethyl acetate could extract most of the phenolic content with highest phenolics in papaya fruit (3.04 mg tannic acid equivalent per gram). In a linoliec acid based peroxide radical sscavenging assay system, the methanolic extract of fruit and ethyl acetate extract of seed of C. papaya exhibited 51.58 and 51.68% peroxide scavenging activity as compared to 59.95% by ascorbic acid. Good correlation was found with total phenolic content and peroxide scavenging activity.
Keywords: Reactive oxygen species, Peroxide radical, Carica papaya, Antioxidants
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