**Siti Atikah Zulkifli, Siti Salwa Abd Gani, Uswatun Hasanah Zaidan and Mohd Izuan Effendi Halmi**

Optimization of Total Phenolic and Flavonoid Contents of Defatted Pitaya (*Hylocereus polyrhizus*) Seed Extract and Its Antioxidant Properties Reprinted from: *Molecules* **2020**, *25*, 787, doi:10.3390/molecules25040787 .............. **301**
