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À propos de : Processing of Crawfish (Procambarus clarkii) for the Preparation ofCarotenoproteins and Chitin        

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  • Processing of Crawfish (Procambarus clarkii) for the Preparation ofCarotenoproteins and Chitin
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  • Crawfish carotenoproteins and chitin are obtained by a combined process based on flotation−sedimentation and in situ lactic acid production. The carotenoprotein PF1 obtained has a high contentin essential amino acids, w-3-fatty acids, and carotene (mainly astaxanthin) and constitutes anexcellent nutritional source for patients with malnutrition. The carotenoprotein PF2 has a lowernutritional quality but with a substantial carotene content can be used as a feed for animals wherecoloration is required, such as salmon and trout bred under aquaculture. Chemical and spectrometric(FTIR and 13C NMR) characterization shows the obtained chitin to be of high quality, similar tothat available commercially, for medical and nutritional uses. Keywords: Carotenoproteins; chitin; essential amino acids; astaxanthin; crawfish; malnutrition
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