Home⇛Science and Technology Journal⇛vol. 7 no. 2 (2018)

Phytoconstituents And In Vitro Anti-Oxidant Activity Of Selected Indigenous Vegetables In The Ilocos

Menisa A. Antonio | Maingelline B. Vivit

Discipline: agricultural sciences

 

Abstract:

Various indigenous vegetables abound in Ilocos Norte but are underutilized. Ethnobotanical data present some of their medicinal benefits but these data are not supported by scientific evidence. We identified the secondary metabolites present and evaluated the anti-oxidant property using 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay of ethanolic extracts derived from Brousonetia luzonica, Momordica cochinchinesis, Telosma procumbens, Mollugo verticillata and Schismatoglottis sp. Qualitative analysis showed that the edible parts of the five species contain coumarins, flavonoids, phenols, steroids, terpenoids, tannins and cardiac glycosides. All species demonstrated free radical scavenging activities with T. procumbens showing the greatest activity. Results suggest that the five indigenous vegetables are healthy foods and could be a possible source of nutraceutical products.



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