A search for cheap and new natural antioxidants from plants with high antioxidant potential is the need for the day. Natural antioxidants of plant origin are generally classified as vitamins, phenolic compounds including flavonoids and phenolic acids. These natural antioxidants are becoming increasingly important in food and also in preventive medicine. Culinary herbs and spices have been the focus of much attention since they contain high concentrations of polyphenolic compounds, which have health-promoting activities. Cinnamomum zeylanicum (family: Lauraceae) is a small and evergreen tree,...