FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (4): 73-76.doi: 10.7506/spkx1002-6300-201004016

• Processing Technology • Previous Articles     Next Articles

Purification of Saponin from Edible Stems of Aralia continentalis Using Macroporous Adsorption Resin

FENG Ying1,2,WU Mei-ling1,LI Tian-lai2,*,FAN Wen-li2   

  1. 1. College of Food Science, Shenyang Agricultural University, Shenyang 110161, China;
    2. College of Horticulture, Shenyang Agricultural University, Shenyang 110161, China
  • Received:2009-03-19 Revised:2009-09-11 Online:2010-02-15 Published:2010-12-29
  • Contact: FENG Ying E-mail:fywjg@sina.com

Abstract:

Static adsorption and desorption experiments were carried out to screen an optimal one from 4 types of macroporous adsorption resins for the purification of saponin from edible stems of Aralia continentalis. AB-8-type macroporous resin was shown to be an optimum candidate for saponin purification. Subsequently, dynamic adsorption and desorption experiments were performed to optimize technological conditions for saponin purification using AB-8-type macroporous resin. Results showed that the optimal adsorption conditions were obtained as follows: saponin concentration 0.2 mg/mL and sample injection amount 20-fold bed volume (BV). Two highly pure saponin fractions having strong superoxide anion radical scavenging capacity and antibacterial potential were obtained from gradient elution with 50% and 70% ethanol, respectively.

Key words: Aralia continentalis, saponin, macroporous adsorption resin

CLC Number: