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KMID : 0381019920250050397
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Korean Journal of Nutrition
1992 Volume.25 No. 5 p.397 ~ p.403
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Effect of Dietary Magnesium on Stress Reactions in Rats with Abdominal Surgery
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Abstract
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This study was performed o investigate the effect of dietary magnesium on stress reactions in rats having abdominal surgery.
Sixty three male rats of sprague-dawley strain were blocked into 3 groups : ①rats fed regular magnesium (0.05% Mg : control), ② rats receiving regular magnesium with surgery(Mg-adeq : S), ③rats receiveing marginal magnesium(0.01% Mg) with
surgery(Mg-marg : S).
Five weeks after feeding, abdominal surgery was performed and randomly chosen 7 rats from each group were sacrificed on 1, 3.and 5 days after surgery.
@ES Te followings were found ;
@EN 1) Rats fed marginal magnesium showed significantly elevated urinary urea nitrogen, urinary potassium and plasma glucose compared controls only one day after abdominal surgery. but not 3 days or 5 days after surgery.
2) Rats fed adequate magnesium did not show any significant change in metabolic stress indicator after surgery.
3) Plasma free fatty acid and cortisol level not different among groups.
4) Decreased plasma magnesium and potassium level were found in rats fed marginal magne-sium, and sacrificed one day and three days after surgery.
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KEYWORD
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