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.
These words all refer to the power of a person or the power of nature, as the Romans had no energy like electricity. vigor-oris m. refers to force or energy. fortitudo-inis f. refers to physical strength. firmitas-atis f. refers to mental energy, strength of mind. vis f. refers to force, of nature as well as human.