Anatolia is a biodiversity hotspot and rich in plants species due to climatic, geographic and cultural diversity. Medicinal and aromatic plants are natural resources for health care and perfumery since antiquity. They are one step beyond the basic instinct of human; eating. Demand for herbs and aromatic products is increasing every year worldwide. Quality is an important issue in the production and utilization of medicinal and aromatic plants. Stress is an important trigger for production of secondary substances and minor components, helps to increase content and modify chemical balances in mixtures.