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.
Unlike actual teas, herbal teas do not come from the camellia Sinensis plant. True teas include black, green, white, oolong, yellow and puer. Herbal teas include chamomile, mint, rooibos and the like. It is often easy to grow herbal teas in a garden.