👉 Xanthine is a type of organic compound that contains two oxygen atoms. It is found in plants and some animals, including humans. Xanthines are primarily produced by the action of sunlight on chlorophyll in green leaves, which converts light energy into chemical energy. They can also be synthesized in the body during periods of stress or illness, such as when a person experiences a high level of physical activity or exposure to environmental toxins. Xanthine metabolism is controlled by enzymes that are produced in