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Quantification of astaxanthin in shrimp waste hydrolysate by HPLC
J López-Cervantes1, D I Sánchez-Machado, M A Gutiérrez-Coronado
1Departamento de Biotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora, PO Box 541, Cd. Obregón, Sonora, México.
Abstract:
In the present study, a simple and rapid reversed-phase HPLC method for the determination of astaxanthin in shrimp waste hydrolysate has been developed and validated. The analytical procedure involves the direct extraction of astaxanthin from the lipid fraction with methanol. The analytical column, SS Exil ODS, was operated at 25C. The mobile phase consisted of a mixture of water:methanol:dichloromethane:acetonitrile (4.5:28:22:45.5 v/v/v/v) at a flow rate of 1.0 mL/min. Detection and identification were performed using a photodiode array detector (lambda(detection) = 476 nm). The proposed HPLC method showed adequate linearity, repeatability and accuracy.
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