According to Cabrera, green tea contains gallic acid, a powerful antioxidant in its own right. It also contains carotenoids, tocopherols, ascorbic acid (vitamin C) and minerals such as chromium, manganese, selenium, zinc and certain phytochemical compounds.
1. forceful, strong. Powerful, mighty, potent suggest great force or strength. Powerful suggests capability of exerting great force or overcoming strong resistance: a powerful machine like a bulldozer. Mighty, now chiefly rhetorical, implies uncommon or overwhelming strength of power: a mighty army.
1. the state or quality of being physically or mentally strong. 2. the ability to withstand or exert great force, stress, or pressure. 3. something that is regarded as being beneficial or a source of power: their chief strength is technology. 4. potency, as of a drink, drug, etc.