1987
DOI: 10.1051/rnd:19870603
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Valorization of rapeseed meal. 4. Effects of iodine, copper and ferrous salt supplementation in growing rats

Abstract: Summary. Ten groups of 10 growing male rats (65 g) were fed ad libitum either a control diet or rapeseed diets (15 mM glucosinolates/kg DM) supplemented either with I-alone, I--and Cu ++ (2 levels), I-+ Cu ++ and methionine or I-and Fe ++ (2 levels) ( (table 2).I-supplementation did not prevent the deleterious effects of rapeseed meal feeding. I-and Fe+ + + supplementation had detrimental effects on food intake, live weight gain and kidney weight, but beneficial effects on liver and thyroid weights and on pla… Show more

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Cited by 11 publications
(5 citation statements)
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References 11 publications
(15 reference statements)
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“…In particular, it must be stressed that many factors may influence the digestive and post‐absorptive metabolism of glucosinolates and derivatives, and consequently their tissue disposition and excretion. For example, dietary fibre and minerals have been suspected to modulate the microbial metabolism of glucosinolates in the hindgut,144, 145 and this points strongly to the role of the complex dietary environment as a determinant of the digestive fate of these compounds.…”
Section: Priority Research Needsmentioning
confidence: 99%
“…In particular, it must be stressed that many factors may influence the digestive and post‐absorptive metabolism of glucosinolates and derivatives, and consequently their tissue disposition and excretion. For example, dietary fibre and minerals have been suspected to modulate the microbial metabolism of glucosinolates in the hindgut,144, 145 and this points strongly to the role of the complex dietary environment as a determinant of the digestive fate of these compounds.…”
Section: Priority Research Needsmentioning
confidence: 99%
“…The use of the mash form of rapeseed lowers the level of T3 and noticeably accelerates the growth of thyroid mass compared to the powder form of rapeseed. However, it seems that a higher dose of supplemented copper reduces excessive growth of thyroid mass [88]. In turn, zinc supplementation combined with a rapeseed meal may be a factor causing an increase in thyroid weight in rats compared to the control group.…”
Section: Rapeseedmentioning
confidence: 98%
“…The detailed information about the possible influence of rapeseed products, mostly seeds, is presented in Table S3, due to the large number of studies about these seeds and the relatively low significant impact of these products available in the modern human diet on thyroid function. In this comprehensive description, the results of the study on rapeseeds' impact on thyroid function in rats [82][83][84][85][86][87][88][89][90][91][92][93], dogs [94], cows [95][96][97], pigs and boars [98][99][100][101][102][103][104][105][106][107][108][109][110][111][112][113][114], lambs [80,115], and goats [116] were described. Only one study that focused on the iodized rapeseed oil's impact on thyroid function in humans was found [27].…”
Section: Rapeseedmentioning
confidence: 99%
“…Ankniipfend an Versuche mit Schweinen [5] und Ratten [3,8] sollte die Auswirkung der Behandlung des R rnit Cuz+ auf das Wachstum und .den Schilddriisenhormonstatus von Broilern untersucht werden.…”
unclassified
“…Dagegen blieb im vorliegenden Versuch an Broilern dieser leistungsfordernde Effekt der Cu-Gabe aus. An Ratten wurde bei > 500 ppm Cu in R-haltigem Futter und trotz der bereits envahnten Einschrankung der thyreostatischen Wirkung eine Wachstumsdepression beobachtet[3,8]. Weitere Versuche mit variierendem Angebot an R, Iod und Cu sind erforderlich, urn den Zusammenhang nvischen dem Glucosinolatanteil der Nahrung und dem Schilddriisenhormonstatus sowie dem Verzehr und Wachstum der verschiedenen Species aufiuzeigen.Tabelle 1 Korpermasse [g] nach 49 Tagen (zu Versuchsbeginn 40 Tiere je Gruppe) * Rapsextraktionsschrot je kg mit 12,5 g CuSO, x 5 H,O und 0,s 1 Wasser befeuchten und anschlieknd bei 60 "C bis zur Gewichtskonstanz trocknen Tabelle 2 Gehalt des Blutserums an T4 [nmol/l] nach 49 Tagen (10 Tiere je Gruppe) EinfluD der Ration P > 0,05; EinfluD der Iodzulage P < 0,05 Literntur [I] BELL, J. M., C. G. YOUNGS und H. R. SALLANS, Canadian Patent No.…”
unclassified