Transport of alfa-tocopherol in male broiler plasma
1993
Crisetig, G. (Bologna Univ. (Italy). Dipartimento di Biochimica) | Fini, M.A. | Zucchi, P. | Franchini, A. (Bologna Univ. (Italy). Istituto di Zoocolture)
إنجليزي. The concentration and distribution of alpha-tocopherol in the whole plasma and in lipoprotein fractions separated by preparative ultracentrifugation (VLDL, LDL, HDL) of growing male broilers fed with different doses of alpha-tocopheryl-acetate (50, 100, 200, 300 ppm) has been determined. Plasma concentrations of alpha-tocopherol appears significantly affected by dietary vitamin E content at 17 and 30 days while at 50 days the levels became comparable among different groups. As for alpha-tocopherol distribution in different lipoproteins it is clear that HDL transport most of vitamin E (74-85%), followed by LDL (17-20%) and VLDL (2.6-4.6%)
اظهر المزيد [+] اقل [-]إيطالي. E' stata studiata l'influenza di dosi dietetiche crescenti di dl alfa-tocoferil-acetato (50, 100, 200 e 300 ppm) sui livelli plasmatici della vitamina E e sulla sua distribuzione nelle frazioni lipoproteiche separate per ultracentrifugazione preparativa. Dai risultati e' emerso che la supplementazione vitaminica influenza significativamente le concentrazioni plasmatiche di alfa-tocoferolo durante il primo mese di vita (17 e 30 gg) mentre in seguito (50 gg) tale influenza tende a scomparire. Circa la distribuzione di alfa-tocoferolo nelle lipoproteine plasmatiche, appare evidente che le HDL trasportano la quota preponderante della vitamina (74-85%), seguite a distanza dalle LDL (17-20%) e VLDL (2.6-4.6%)
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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