... (cut),fermentation, ... BLACK TEA has been a staple in China for more than 2000 years. Nowhere in the world is there as ... Assams are considered by many to be amongst the finest teas in the world. .The Darjeeling region in north central India ... cancer, decreased risk of stroke and reduced blood cholesterol. Additionally, black tea has various minerals such as calcium, magnesium, manganese, potassium ...