TO RETAIN, practice. To engage the services of an attorney or counsellor to manage a cause, at which time it is usual to give him a fee, called the retaining fee. The act by which the attorney is authorized to act in the case is called a retainer.
One explanation for the difference in the levels of catechins found in this study and others is the type of samples used. In comparative studies, leaves of Camellia sinensis 4 Discussion Table 1. Levels of catechins and caffeine in tea bags, extract, and ready-to-drink green tea.
Caffeine content in jasmine tea. All jasmine teas contain caffeine, since they are made from a base of naturally caffeinated Camellia sinensis tea leaves. To gauge the caffeine level in jasmine tea, consider the base tea the jasmine was made with. Jasmine is most commonly made with a green tea base, but some manufacturers offer jasmine flavored white and black teas as well.