“…Natural plant-based yields have garnered significant interest recently because of their prospective applications as preventative and chemotherapeutic medicines for cancer [ 6 ]. Plants naturally contain antioxidants called polyphenols, and the kinds and concentrations of these substances differ greatly amongst fruits, vegetables, leaves and spices [ [7] , [8] , [9] , [10] , [11] ]. There are several known naturally occurring polyphenols, such as flavonoids, phenolic acids, polyphenolic amides, and other polyphenols [ 6 , 7 , 12 ].…”