Effect of dietary fructans and chromium [III] supplementation on apparent fat digestibility and blood lipid indices in rat

• Autorzy: Krejpcio Z. , Wojciak R. W. , Staniek H. , Wisniewska J.

Warianty tytułu

PL

Wplyw suplementacji diety fruktanami i chromem [III] na strawnosc pozorna tluszczu oraz wskazniki lipidowe krwi u szczura

• Języki publikacji: EN

Abstrakty

EN

Background. Fructans and chromium(III) are believed to influence lipid and carbohy-drate metabolism in animal and human organisms, that can be applied in regulation or improvement of lipid indices, however the importance of their effect is still unclear. This study aimed at evaluation of the effect of inulin-type fructans and chromium(III) supplementation on fat digestibility and blood lipid indices in rats. Material and methods. In a three-factorial design 56 male Wistar rats were fed ad libi-tum semipurified diets (AIN-93) supplemented with two types and levels of fructans (inulin or oligofructose, 5% or 10% of diet) and two levels of chromium(III) (0.5 or 5 mg/kg of diet; as Cr(III) propionate complex) for 10 weeks. Apparent fat digestibility and blood lipid profile were determined. Results. It was found that experimental factors did not influence apparent fat digestibility, serum total cholesterol, HDL and HDL cholesterol concentrations, however serum TAG level was significantly lower in animals fed oligofructose vs. inulin diets, high-fructan vs. low-fructan diet. Conclusions. Inulin type fructans and supplementary Cr(III) do not affect apparent fat digestibility, fructans however influence lipid metabolism, lowering serum TAG levels in rat

PL

Wstęp. Fruktany i chrom(III) uważa się za czynniki wpływające na metabolizm lipidów i węglowodanów w organizmie zwierząt i ludzi, z tego względu mogą być wykorzystane do regulacji lub poprawy profilu lipidowego, jednakże w pełni nie jest wyjaśnione ich znaczenie profilaktyczne. Celem tej pracy było określenie wpływu suplementacji diety szczura fruktanami typu inuliny oraz chromem(III) na strawność tłuszczu oraz profil lipidowy krwi. Materiał i metody. W trzyczynnikowym doświadczeniu, 56 samców szczurów Wistar żywiono przez 10 tygodni ad libitum dietami AIN-93 wzbogaconymi fruktanami typu inuliny na dwóch poziomach (inulina lub oligofruktoza, 5% lub 10% diety) oraz Cr(III) (0.5 lub 5 mg/kg diety w postaci kompleksu z kwasem propionowym). Określono strawność pozorną tłuszczu oraz profil lipidowy krwi. Wyniki. Stwierdzono, że czynniki doświadczalne nie wpływały istotnie ani na strawność pozorną tłuszczu, ani profil lipidowy krwi, z wyjątkiem poziomu triacylogliceroli, który był istotnie niższy w grupach żywionych dietami z dodatkiem oligofruktozy vs. inuliny oraz wysokofruktanowych vs. niskofruktanowych. Wnioski. Fruktany typu inuliny oraz suplementacja Cr(III) nie wpływają na strawność pozorną tłuszczu, natomiast fruktany oddziałują na metabolizm lipidów, obniżając poziom TAG we krwi szczurów

Słowa kluczowe

EN

dietary fructan; fructan; chromium; diet supplementation; apparent fat digestibility; fat digestibility; blood; lipid index; lipid; inulin; oligofructose; rat

• Wydawca: -
• Czasopismo: Acta Scientiarum Polonorum. Technologia Alimentaria
• Rocznik: 2009
• Tom: 08
• Numer: 2
• Opis fizyczny: p.85-92,ref.

Twórcy

autor

Krejpcio Z.

• Poznan University of Life Sciences, Wojska Polskiego 31, 60-624 Poznan, Poland

autor

Wojciak R. W.

autor

Staniek H.

autor

Wisniewska J.

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