Antioxidant activity and phytochemical screening of the methanol, ethyl acetate, and hexane extracts of Lansium domesticum seeds

Adriel Noel Andonaque1, Novie Dorado1, Kyle Jeremiah Ledesma1 and Laureen Manalo1
1Philippine Science High School Western Visayas Campus – Bito-on, Jaro, Iloilo City 5000, Department of Science and Technology, Philippines

This study intended to conduct a qualitative phytochemical test and an antioxidant assay on Lansium domesticum seeds grown in the Philippines. The seeds were extracted through maceration in methanol, ethyl acetate, and hexane. The antioxidant activity of the seeds were tested by measuring the absorbance of the free radical, 2,2’-azinobis(3-ethylbenzothiazoline-6-sulfonate) or ABTS through the use of a UV/Vis spectrophotometer. The results were measured in % free radical scavenging activity, using 2% [g/ml] Vitamin C in distilled water as the positive control.


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