It is rich in nutrients, rich in starch, protein, and various trace elements, calcium,  iron, vitamins, etc., low in fat content, easy to digest and absorb, known as the "water longan". The medicinal polyphenols are beneficial for restoring the softening and elasticity of the blood vessels of the heart, and the health care function is remarkable.

The macroprous adsorbent resin provided by Suzhou Bojie Resin Technology Co., Ltd. can effectively extract tamping polyphenols, with large adsorption capacity, fast adsorption rate, high polyphenol adsorption rate, mild operating conditions, convenient regeneration, high recycling rate and reusable use. In order to save cost, the resin has high mechanical strength, wear resistance, economy and practicality, and the extraction effect is very satisfactory.