Separation and Purification of Astaxanth from Antarctic Krill Shells by Macroporous Resin

doi:10.7506/spkx1002-6630-201416001

Abstract

Abstract:

In the present study, the static and dynamic adsorption capacities of AB-8 macroporous resins for astaxanthin
from Antarctic krill shells were evaluated. The results showed that the maximum quantity of astaxanthin adsorbed was
476.2 μg per gram of dry AB-8. Ethyl acetate was selected as the elution solvent with a desorption rate of 98.7%. The
dynamic adsorption conditions were optimized as 2 μg/mL and 4 BV/h for astaxanthin concentration and flow rate,
respectively. Under the optimal condition, the astaxanthin in saponification solution was purified with recovery rate of
78.9% and purity of 92.4%.

Key words: Antarctic krill shells, macroporous resin, separation and purification, astaxanthin

CLC Number:

TS254.9

JIANG Qi-xing1, SONG Su-mei1, XIA Wen-shui1, LIU Fu-jun2, XU Yan-shun1, LIU Dong-mei2, WANG Hai-ou1,*. Separation and Purification of Astaxanth from Antarctic Krill Shells by Macroporous Resin[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201416001.

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Separation and Purification of Astaxanth from Antarctic Krill Shells by Macroporous Resin

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