Phytochemical Components of Aromatic Plants and Factors Inuencing Their Variability

Throughout the world, hundreds of species are used as medicinal and aromatic plants. Some of them are among the most popular spices and herbs, like basil, peppermint, and sage. Some of these plants are utilized as a source of phytochemical components (e.g., essential oil) or herbal drugs, especially because in recent times, signicant progress in biological and phytochemical investigations has been made.