Isolation and characterization of carotenoproteins from crayfish (Procambarus clarkii)
2003
Cremades, Olga | Parrado, Juan | Alvarez-Ossorio, Mari-Carmen | Jover, Maria | Collantes de Teran, Laura | Gutiérrez, Juan Francisco | Bautista, Juan
Crayfish (Procambarus clarkii) were separated by solid filtration into a proteinaceous fraction (PF-1) and a chitinous fraction (CF). The PF-1 and CF were used as starting materials for carotenoprotein-1 and carotenoprotein-2 preparations, respectively. Crawfish carotenoprotein-1 was obtained by controlled enzymatic autodigestion of FP-1 and carotenoprotein-2 by in situ repeated batch lactic acid fermentation. Carotenoprotein-1 has a high content of essential amino acids, ω-3- and ω-6-fatty acids and carotene (mainly astaxanthin), and constitutes an excellent nutritional source for patients with malnutrition. Carotenoprotein-2, of lower nutritional quality but with a substantial carotene content, can be used as a good protein source for animal nutrition where coloration is required, such as for poultry or for salmonid fish bred by aquaculture.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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