Oxidation of Dietary Stearic, Oleic, and Linoleic Acids in Growing Pigs Follows a Biphasic Pattern

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Oxidation of dietary stearic, oleic, and linoleic acids in growing pigs follows a biphasic pattern.

We used the pig as a model to assess the effects of dietary fat content and composition on nutrient oxidation and energy partitioning in positive energy balance. Pigs weighing 25 kg were assigned to either: 1) a low fat-high starch diet, or 2) a high saturated-fat diet, or 3) a high unsaturated-fat diet. In the high-fat treatments, 20% starch was iso-energetically replaced by 10.8% lard or 10.2...

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Dietary linoleic and α-linolenic acids affect anxiety-related responses and exploratory activity in growing pigs.

BACKGROUND Growing evidence suggests that the dietary ratio of linoleic acid (LA) to α-linolenic acid (ALA), the precursors of arachidonic acid (AA) and docosahexaenoic acid (DHA), respectively, may affect behavior in mammals. OBJECTIVE This study aimed at evaluating the impact of dietary LA and ALA intake on behaviors of growing pigs, a pertinent model for human nutrition. METHODS At 7 wk ...

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Trafficking of dietary oleic, linolenic, and stearic acids in fasted or fed lean rats.

Increasing evidence supports the notion that there are significant differences in the health effects of diets enriched in saturated, as opposed to monounsaturated or polyunsaturated fat. However, the current understanding of how these types of fat differ in their handling by relevant tissues is incomplete. To examine the effects of fat type and nutritional status on the metabolic fate of dietar...

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A comparison of the metabolism of elaidic, oleic, palmitic, and stearic acids in the rat.

SUMMARY A comparison has been made of the metabolism of l-C'4-labeled oleic, elaidic, palmitic, and stearic acids in the rat. Each acid was fed as a component of randomly rearranged soybean oil. All the acids were more than 96% absorbed. The rate of catabolism and the extent to which elaidic acid was ex-creted in the respiratory CO, were essentially the same as those of oleic acid and both of t...

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Dietary starch sources affect net portal appearance of amino acids and glucose in growing pigs.

Four male pigs (Duroc × Landrace × Yorkshire; average initial (mean ± SEM) BW = 22.5 ± 1.1 kg), fitted with permanent catheters in the portal vein, ileal vein and carotid artery, were used in a 4 × 4 Latin square experimental design to measure the effect of dietary starch sources on the net portal appearance of glucose and amino acids. Dietary starch sources were resistant starch (RS), maize, s...

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ژورنال

عنوان ژورنال: The Journal of Nutrition

سال: 2011

ISSN: 1541-6100,0022-3166

DOI: 10.3945/jn.111.142562