Macroporous Resin Adsorption for Purification of Crude Flavonoids from Bamboo Leaves

doi:10.7506/spkx1002-6300-201008006

Abstract

Abstract:

To screen an optimal adsorbent for purification of flavonoids from bamboo leaves, 7 macroporous resins were compared for difference in adsorption and desorption performance. AB-8 resin was chosen due to the merits of large adsorption capacity, easy desorption and high resolution. Besides, the optimal adsorption/desorption process for purification of bamboo leaf flavonoids using AB-8 resin was investigated. Results showed that the optimal pH and flow rate of sample solution were 5.0 and 1 mL/min, respectively and the optimal desorption was achieved by using 4 BV of 60% aqueous ethanol at a flow rate of 1.5 mL/min. Under such conditions, the purity of bamboo leaf flavonoids obtained was up to 54.16%.

Key words: macroporous resins, bamboo leaves, flavonoids, separation, purification

CLC Number:

O623.54

YOU Hui，SUN Ai-dong*，TANG Ling，PAN Na，CHEN Jian. Macroporous Resin Adsorption for Purification of Crude Flavonoids from Bamboo Leaves[J]. FOOD SCIENCE, 2010, 31(8): 24-27 https://doi.org/10.7506/spkx1002-6300-201008006

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Macroporous Resin Adsorption for Purification of Crude Flavonoids from Bamboo Leaves

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