Phytochemical Screening and Antioxidant Activity of Ethanol Extract of Mekai Leaves (Albertisia papuana Becc.) Using the DPPH Method

raisa fadilla; Leny Eka Tyas Wahyuni

doi:10.30872/jtpc.v9i2.306

Authors

raisa fadilla Mulawarman University Author
Leny Eka Tyas Wahyuni Study Program of Nutrition, Faculty of Public Health, Mulawarman University, Samarinda, Indonesia Author

DOI:

https://doi.org/10.30872/jtpc.v9i2.306

Keywords:

albertisia papuana, dpph, phytochemicals, antioxidant

Abstract

This study examines the phytochemical profile and antioxidant activity of the ethanol extract of Mekai leaves (Albertisia papuana Becc.), a traditional medicinal plant widely utilized by the Dayak communities in Kalimantan. Despite its ethnopharmacological relevance, scientific data regarding its antioxidant capacity remain limited. Phytochemical screening confirmed the presence of important secondary metabolites, including tannins, phenolics, flavonoids, alkaloids, saponins, steroids, and triterpenoids—groups of compounds commonly associated with radical-scavenging activity. The antioxidant activity assessed using the DPPH radical scavenging method demonstrated that the extract possesses strong antioxidant activity, with an IC₅₀ value of 95.583 ppm. These findings reinforce the traditional use of Mekai and underscore its potential as a natural source of bioactive antioxidant compounds.

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