phytochemical
definition of phytochemical
1. a large group of helpful or harmful substances made by plants. Benefits of phytochemicals may include protecting cells by acting as antioxidants, stopping cancer cell growth, repairing damaged DNA, and preventing heart disease. Phytochemicals are found in some foods, including a variety of fruits and vegetables, legumes, grains, nuts, seeds, tea, and wine. Also called phytonutrient.1