aves further dried - this changes its color and taste. Black Tea undergoes full oxidation and fermentation. The leaves thus turn black and receive their strong, typical flavor. The oxidation process is stopped once the aroma and flavor develops completely. The leaves are further crushed to various sizes, sorted out and stored according to their sizes. Black tea is a potential heart tonic, cancer blocker, fat buster, immune stimulant, arthritis soother, virus fighter and cholesterol detoxifier.