“…Adsorption and desorption onto non-ionic macroporous resins has proved to be an efficient technique in this field due to its advantages, such as high adsorption capacity, low operational expense and easy regeneration of the adsorbent. [6][7][8][9] Therefore, there have been increasing numbers of reports on the application of macroporous resins to purify various pharmacologically-active natural products, e.g. flavonoids, glycosides and carotenoids, from plant sources.…”