Mineral absorption

About: Mineral absorption is a research topic. Over the lifetime, 346 publications have been published within this topic receiving 11296 citations.

Mineral absorption enhancer

Abstract: PROBLEM TO BE SOLVED: To provide a mineral absorption enhancer with an improved effect, provided that the mineral absorption enhancer comprises lactobionic acid and lactose as effective ingredients. SOLUTION: The mineral absorption enhancer comprises lactobionic acid and lactose in a mass ratio of from 9:1 to 1:4 and is obtained by bringing lactose into contact with a microbe with a lactose oxidation activity to convert a portion of the lactose into lactobionic acid and granulating and drying the obtained product. By using the present invention, the amount of the mineral absorption enhancer to be compounded can be reduced to prevent change in the taste of food and beverage when the mineral absorption enhancer is compounded. The reduction in the amount of use can also lead to cost reduction. COPYRIGHT: (C)2009,JPO&INPIT

Effects of Whole Wheat Flour and Fermentable Carbohydrates on Intestinal Absorption of Trace Elements in Rats

Abstract: If these results can not be directly extrapolated to human nutrition, they show that whole flour or unrefined cereal products ingestion can contribute to improved mineral balance. The cecal fermantation of soluble carbohydrates present in these products may be responsible for such mineral absorption enhancement and adequate mineral balance. Several epidemiological and clinical studies have recently shown growing interest in increasing the consumption of phytic acid-rich products in preventive nutrition. Negative effects of such products on mineral bioavailability may be neutralized when these products are taken together with the other components of the meal. It is thus possible to promote the consumption of whole grains rather than of purified cereal products, to keep functionally active constituents of grains and to optimize the mineral status in humans. Human studies are still needed to confirm these rat results.

Experimental Studies in Rats on the Effects on Growth and Intestinal Microflora of a New Mix Combining Calcium, Iron, Zinc and a Prebiotic in a Milk-like Vehicle

Abstract: The aim of this work was to determine the effects of a new mineral mix combined with a prebiotic on growth, mineral deposit and intestinal microflora using a milk-like vehicle. This study was performed with Sprague Dawley female rats separated into 7 groups. Group 1 was fed with a deficient diet on its mineral content, group 2, 3 and 4 were fed with normal diets on their mineral content during 28 days but group 2 was fed with a diet containing reference Ca, Fe and Zn sources and groups 3 and 4 with diets containing other Ca, Fe and Zn sources that were evaluated. Group 4 received additionally a diet containing a prebiotic. Groups 5, 6 and 7 were submitted to a depletion period of 14 days during which they were fed as group 1 and then to a repletion period of 14 days when they were fed with the same diets as group 2, 3 and 4 respectively. Initial and final body weight, average growth rate, liver and femur weight, iron and zinc liver content as well as calcium and zinc femur content were the parameters evaluated for the growth and mineral deposit analysis. An- aerobes, enterobacteria, lactobacilli and bifidobacteria recount was performed from feces samples collected on different treatment days. Mineral sources under study presented slightly better characteristics than the reference standard ones. Moreover, the combination with a prebiotic may produce some advantages related to mineral absorption and intestinal microflora composition as a bifidogenic effect was confirmed.

The effects of calcium and sodium loading on organic matter digestibility and mineral absorption in sheep. 1. Digestion in forestomachs and small intestine.

Abstract: Experiments were conducted on sheep cannulated to the rumen, duodenum and ileum to study the effects of Ca and Na loading (5 and 10 times the ARC requirements) on digestion in the rumen and intestines. The introduction of calcium lactate (19.6%) or sodium chloride (9.6%) into extruded feed mixtures had no significant effect on degradation in the rumen (apparent digestibility of organic matter in the forestomachs averaged 40%, ileal digestibility 61%) or on the pH of ruminal (5.73), duodenal (3.37) or ileal (7.63) digesta. Excess sodium in the diet reduced (P < 0.05) microbial protein synthesis in the rumen (7.69g N-MP/d) in comparison with control sheep and those loaded with Ca (10.46 and 10.74 g N-MP/g) as well as the apparent digestibility of total nitrogen in the small intestine.

Effect of Pectin from Ficus pumila L. Seeds on Mineral Absorption in Ovariectomized Rats

Abstract: Objective: To investigate the effect of pectin from Ficus pumila L.seeds on mineral absorption in ovariectomized rats.Methods: Thirty SD female rats were divided into five groups.The mice in four of them were double ovariectomized and one week later assigned as model control group and high,medium and low dose groups of Ficus pumila L.pectin.The mice in the fifth group were sham-ovariectomized as sham control.All rats were sacrificed after 4 weeks of feeding to assay pH values and short-chain fatty acids in cecum contents,calcium and phosphorus in bone,and apparent absorption rate of minerals.Results: Compared to the sham control group,the apparent absorption rates of calcium,magnesium,phosphorus,zinc and iron,calcium and phosphorus in bone significantly decreased in OVX rats(P0.05).Pectin from Ficus pumila L.seeds drastically increased the concentration of short-chain fatty acids in cecum content and the area of cecum,decreased the pH of cecum contents,and inhibited the absorption of calcium,magnesium,phosphorus,zinc and iron in ovariectomized rats.Conclusions: Ficus pumila L.seed pectin had a negative effect on mineral absorption in ovariectomized rats.