Ascorbic Acid In Aquatic Organisms: Status and Perspectives by Konrad Dabrowski

By Konrad Dabrowski

We're simply starting to observe the significance of diet C within the well-being of common and man-made ecosystems. Synthesis of ascorbic acid is definitely understood, yet algae because the in simple terms resource of ascorbate within the aquatic nutrients pyramid has no longer been explored. there's an increasing box of the tradition of aquatic organisms that call for formulated feeds to most sensible meet their requisites for healthiness, progress, and copy. With over a hundred species now cultured for human intake, the query arises as to if we've got trustworthy info for the nutritional wishes for nutrition C for even a small percent of those organisms. A accomplished method of the function of nutrition C on the mobile point in addition to within the aquatic foodstuff chains, this ebook discusses progress and copy, sickness resistance, and toxicology of aquatic organisms. Ascorbic Acid in Aquatic Organisms was once written because the offshoot of a unique consultation on aquatic organisms and useful aquaculture on the 1998 global Aquaculture Society (WAS) assembly. This ebook experiences the learn already to be had and identifies new instructions for study. it's a specified mixture of excellent meals learn, ecology, and useful aquaculture (for example brine shrimp enrichment). This interdisciplinary quantity will entice marine fish culturists, aquatic biologists, comparative and evolutionary mobile physiologists, and environmental toxicologists.

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1 42 44 44 45 46 46 Introduction Vitamin C (ascorbic acid, AA) is essential for aquatic animals, as they cannot synthesize this nutrient and therefore depend fully on an exogenous supply. Vitamin C acts as a cofactor in hydroxylation reactions and as a strong biological reducing agent in tissues and cells. Substantial experimental evidence indicates that it is involved in several physiological processes, including growth, reproduction, response to stressors, wound healing, and immune response.

1 42 44 44 45 46 46 Introduction Vitamin C (ascorbic acid, AA) is essential for aquatic animals, as they cannot synthesize this nutrient and therefore depend fully on an exogenous supply. Vitamin C acts as a cofactor in hydroxylation reactions and as a strong biological reducing agent in tissues and cells. Substantial experimental evidence indicates that it is involved in several physiological processes, including growth, reproduction, response to stressors, wound healing, and immune response.

Am. , 4, 762, 1969. 3. Wilson, R. P. and Poe, W. , Impaired collagen formation in the scorbutic channel catfish, J. , 103, 1359, 1973. 4. Lim, C. and Lovell, R. , Pathology of the vitamin C deficiency syndrome in channel catfish (Ictalurus punctatus), J. , 108, 1137, 1978. 5. , Ascorbate requirement for hydroxylation and secretion of procollagen: relationship to inhibition of collagen synthesis in scurvy, Am. J. Clin. , 54, 1135S, 1991. 6. Phillips, C. , and Pinnell, S. , Ascorbic acid and transforming growth factor-␤1 increase collagen biosynthesis via different mechanisms: Coordinate regulation of Pro␣1(I) and Pro␣1(III) collagens, Arch.

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