CHARACTERIZATION OF ASTAXANTHIN PIGMENTS FROM HEAT-PROCESSED CRAWFISH WASTE

被引:63
作者
MEYERS, SP
BLIGH, D
机构
关键词
D O I
10.1021/jf00105a017
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
Carotenoid pigments were isolated and identified from the heat-processed exoskeleton of crawfish, P. clarkii. Pigment concentrations as great as 153 .mu.g/g are noted, consisting of 49.4% astaxanthin ester, 40.3% astaxanthin and 10.3% astacene. When measured as a function of time and antioxidant treatment, using butylated hydroxyanisole and Santoquin, pigment concentrations showed a maximal decrease, i.e., 45% over 3 wk, in untreated samples. Levels of Santoquin at 0.5% were effective in minimizing pigment loss with storage. Application of the high pigment quality meal in diets for aquaculture-raised fish is discussed.
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页码:505 / 508
页数:4
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