This paper studied the performance of adsorption and separation of adsorbent resin for tea polyphenols and caffeine from the leaf and stem of waste green tea.

• 从低档绿茶末的水提取液中，利用离子交换，吸附树脂成功地分离出茶多酚与咖啡因，并详细考察了其交换与吸附性能。