Antioxidant Activity of Different Extracts of Red Pitaya (Hylocereus polyrhizus) Seed

@article{Adnan2011AntioxidantAO,
  title={Antioxidant Activity of Different Extracts of Red Pitaya (Hylocereus polyrhizus) Seed},
  author={Liana Adnan and Azizah Osman and Azizah Abdul Hamid},
  journal={International Journal of Food Properties},
  year={2011},
  volume={14},
  pages={1171 - 1181}
}
Antioxidant activity of three different extracts (ethanolic, chloroformic, and hexanic) of red flesh pitaya (Hylocereus polyrhizus) seed using free radical scavenging assay, linoleic acid model system, and ferric thiocyanate (FTC) method was determined. Ethanolic extract inhibit 74.76% of free radicals at 1000 μg/mL, while chloroformic extract gave the highest inhibition using linoleic acid model system (98.90% at 100 μg/mL) and FTC (96.34%) method. Total phenolic and ascorbic acid contents of… Expand
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