1. Phytochemical Contents and Antioxidant Capacity of the Leaves of Aloe greatheadii var. davyana from Four South African Provinces
   Sechene S. Gololo et al, 2019, Asian Journal of Chemistry CrossRef
2. Exploring the Use of Iris Species: Antioxidant Properties, Phytochemistry, Medicinal and Industrial Applications
   Sohaib Khatib et al, 2022, Antioxidants CrossRef