Phytochemicals are non-nutritive plant chemicals that have protective or disease preventive properties. There is ample evidence to support the health benefits of diets rich in fruits, vegetables, legumes, whole grains and nuts. Plant-based foods are complex mixtures of bioactive compounds, information on the potential health effects of individual phytochemicals is linked to information on the health effects of foods that contain those phytochemicals. Phytochemicals are plant or fruit derived chemical compounds. "Phytonutrients" refer to phytochemicals or compounds that come from edible plants.

The phytochemical corner discusses the brief introduction of the phytochemical, mechanism of action, chemistry, pharmacological activity, pharmacokinetics and drug interactions of the chemical.