McMaster University. McMaster University (commonly referred to as McMaster or Mac) is a public research university located in Hamilton, Ontario, Canada. The main campus is located on 121 hectares (300 acres) of land near the residential neighbourhoods of Ainslie Wood and Westdale, adjacent to Hamilton's Royal Botanical Gardens.
Plants make food in their leaves. The leaves contain a pigment called chlorophyll, which colors the leaves green. Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis.
Plant foods contain thousands of natural chemicals. These are called phytonutrients or phytochemicals.Phyto refers to the Greek word for plant. These chemicals help protect plants from germs, fungi, bugs, and other threats. Fruits and vegetables contain phytonutrients. Other plant-based foods also contain phytonutrients, such as: