Determination of antioxidant compounds, proximate compositions and assessment of free radical scavenging activities of Nypa Fruticans Wurmb. sap
2021
Siti Fatimah Roqiah Yahaya | Niza Samsuddin | Suhana Mamat | Rozita Hod | Nor Zamzila Abdullah | Nor Azlina A. Rahman | Siti Zaiton Mat So’Ad
Nipa palm sap (NPS) as source of medicine traditionally used to treat various diseases. This study identified good radical scavenging activity in NPS with the IC50 value of 33.36 μg/mL using 2, 2-diphenyl-1-picrylhydrazyl (DPPH) assay. NPS comprises of moisture (72.44%), ash (1.04%), protein (7.04%), carbohydrate (19.48%), fat (0%), and energy level (106 kcal). Glucose (0.3%) and fructose (1.8%) were detected using high-performance liquid chromatography. Maleic acid, cinnamic acid, chlorogenic acid, and kaempferol were the predominant compounds revealed by ultra-high-performance liquid chromatography. Overall, NPS has the potential antioxidants sources with significant health benefits and values for commercialisation.
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