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.
In essence, any tea not made from the Camellia sinensis is considered an herbal tea. Health Benefits of True Tea. True tea is made from the tea bush Camellia sinensis and comes in four common choices: Green, Black, White and Oolong. There are many health benefits to this type of tea.