Some common phytochemicals include alkaloids, flavonoids, terpenes, and saponins. Alkaloids, such as caffeine and nicotine, are known for their potent biological effects. Flavonoids, found in a variety of fruits and vegetables, are recognized for their antioxidant properties. Terpenes, which give plants their aroma, have been studied for their therapeutic potential. Saponins have been identified for their ability to form soap-like foams and their possible health benefits.
