Monthly Archives: July 2012

Gastric Emptying and The Energy Density of Food

The rate of gastric emptying is known to be a control point in the digestive process because most food present in the gastrointestinal tract prior to the pyloric sphincter is not able to be absorbed. Only after the food enters … Continue reading

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More Evidence of Marginal Vitamin Status

Research suggests that large numbers of individuals in Western nations have marginal vitamin and mineral status. This results from a combination of poor quality diet, along with food manufacturing, processing and growing techniques that are detrimental to the micronutrient content … Continue reading

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High Dose Vitamin E and Insulin

Obesity is increasingly being associated with systemic oxidative stress and inflammation. It has been noted for example that obese individuals have significantly lower plasma levels of ascorbic acid than normal weight subjects. This has been suggested to result from depletion … Continue reading

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More on Vitamin C and Cardiovascular Disease

Dr Linus Pauling suggested that high intakes of ascorbate were protective of cardiovascular disease because the vitamin was able to reduce levels of a sub-type of low density lipoprotein particle [lipoprotein (a)] that may play a role in the pathology … Continue reading

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Tree Nuts Lower Serum Lipid Levels

There is a general misconception that high levels of serum cholesterol and triglycerides are the cause of cardiovascular disease. Evidence from nutritional research does show that high levels of low density lipoprotein (LDL), total cholesterol and triglycerides in some sub-groups … Continue reading

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Carotenoid Supplements

Carotenoids are chemical responsible for some of the orange, red and yellow colours seen in fruit and vegetables. In plants they are vital compound that aid electron transport in photosynthesis and protect the plant tissues from the singlet oxygen. This … Continue reading

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Plasma Fatty Acids of Alaskan Eskimos

Native inhabitants of northern parts of Canada, Alaska and Greenland rely on marine sources for their protein and energy needs. These food sources tend to include both marine mammals and cold water fish that contain high levels of long-chain polyunsaturated … Continue reading

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Even More Evidence that Oat Fibre Lowers Cholesterol

Soluble fibre has been shown to have beneficial properties on the lipid profiles of hyperlipidaemic individuals. Soluble fibre is particularly effective at lowering total cholesterol and low density lipoprotein (LDL) cholesterol, when compared to control diets or diets with equal … Continue reading

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Effects of Skin Thickness and Age of 25(OH)D Production

Vitamin D status is measured by using the plasma concentration of 25-hydroxyvitamin D 25(OH)D which is formed following hydroxylation of vitamin D in the liver. Because vitamin D3 is formed in the skin from the action of ultra violet B … Continue reading

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Guar Gum and Diabetes

Soluble fibre has been shown to be beneficial to the health even when consumed in quantities as low as 20g/d. In particular, soluble fibre can lower total cholesterol and low density lipoprotein (LDL) cholesterol levels in plasma. It is not … Continue reading

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