They are best prepared in pots which are porcelain, china or glass. A cup of coffee contains 2-3 grains of caffeine and a small amount of tannin. Coffee is made from the seeds of berries of the coffee tree which is grown in all the tropical countries, though chiefly in Brazil. Roasting of the coffee develops the delightful aroma and flavor which makes the coffee so appetizing. The flavor of coffee is due not only to the kind but also to the blend and the degree of roasting.
Coffee deteriorates rapidly after being ground.
Tea is prepared leaves of the tea bush or shrub and the quality and flavor of the tea depends on whether young shoots or whole leaves are used. The buds and young leaves make the choicest teas. Black Tea is made by sweating, fermenting and firing the leaves. In the process of fermentation, much of the tannin is destroyed. Black tea comes chiefly from India, Ceylon, Java and China.