Comparison of constant infusion and flooding dose techniques to measure muscle protein synthesis rate in dogs

Article Abstract:

The fractional muscle protein synthesis (FMPS) rates measured by the constant infusion and the flooding dose techniques were compared to evaluate their validity as measures of FMPS. The results showed that flooding dose technique gave consistently higher FMPS rates than the constant infusion technique. In addition, large doses of leucine resulted in 50% lower baseline values using the constant infusion technique. Although the constant infusion technique may still be used under moderate perturbations of the amino acid precursor pool, the values become invalid during extreme perturbations, especially when using large doses of leucine.

Research, Measurement, Muscles, Protein synthesis, Protein biosynthesis, Leucine

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A comparison of the effects of beef, chicken and fish protein on satiety and amino acid profiles in lean male subjects

Article Abstract:

Satiety after eating, serum glucose, insulin and amino acid profile were measured in six lean males fed with protein from beef, chicken and fish. Fish protein was observed to induce greater repletion. This may have been caused by the serotoninergic activity due to high tryptophan to large neutral amino acid ratio or the longer period between food intake and maximum plasma amino acid concentration. There were no observed differences in blood insulin and glucose concentrations after protein intake.

Nutritional aspects, Amino acids, Proteins in human nutrition, Dietary protein

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Long-term wheat germ intake beneficially affects plasma lipids and lipoproteins in hypercholesterolemic human subjects

Article Abstract:

Studies on the short-term effect of wheat germ in rats and humans have shown a decreased level of plasma triglycerides and cholesterol. The long-term effects were investigated in humans. Two kinds of wheat germ were used, raw and partially defatted. Results indicate that long-term wheat germ intake also reduces blood cholesterol and triglycerides.

Health aspects, Hyperlipidemia, Hypercholesterolemia, Wheat germ

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