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.
White, green, oolong, and black tea are all products of Camellia sinensis leaves and buds, the only difference is how they are processed. You can turn the plant matter into any of the varieties.hite tea comes from the buds and leaves of the Camellia sinensis plant. The leaves and buds are allowed to wither in natural sunlight before they are lightly processed to prevent oxidation or further tea processing.