Search Results - "Hunt, Janet R."

Bioavailability of iron, zinc, and other trace minerals from vegetarian diets by Hunt, Janet R

“…Iron and zinc are currently the trace minerals of greatest concern when considering the nutritional value of vegetarian diets. With elimination of meat and…”
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Dietary zinc reduces osteoclast resorption activities and increases markers of osteoblast differentiation, matrix maturation, and mineralization in the long bones of growing rats by Hadley, Kevin B., Newman, Samuel M., Hunt, Janet R.

“…The nutritional influence of zinc on markers of bone extracellular matrix resorption and mineralization was investigated in growing rats. Thirty male weanling…”
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Body iron excretion by healthy men and women by Hunt, Janet R, Zito, Carol Ann, Johnson, LuAnn K

“…BACKGROUND: Iron excretion measured by isotope dilution has been a primary basis for the factorial derivation of recommendations for iron intake, but the…”
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Dietary protein and calcium interact to influence calcium retention: a controlled feeding study by Hunt, Janet R, Johnson, LuAnn K, Fariba Roughead, ZK

“…BACKGROUND: The effect of meat protein on calcium retention at different calcium intakes is unresolved. OBJECTIVE: The objective was to test the effect of…”
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Bioavailability of elemental iron powders to rats is less than bakery-grade ferrous sulfate and predicted by iron solubility and particle surface area by Swain, James H, Newman, Samuel M, Hunt, Janet R

“…Foods are fortified with elemental forms of iron to reduce iron deficiency. However, the nutritional efficacy of current, commercially produced elemental iron…”
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Calcium requirements of growing rats based on bone mass, structure, or biomechanical strength are similar by Hunt, Janet R, Hunt, Curtiss D, Zito, Carol Ann, Idso, Joseph P, Johnson, LuAnn K

“…Although calcium (Ca) supplementation increases bone density, the increase is small and the effect on bone strength and fracture risk is uncertain. To…”
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Controlled Substitution of Soy Protein for Meat Protein: Effects on Calcium Retention, Bone, and Cardiovascular Health Indices in Postmenopausal Women by Roughead, Zamzam K. (Fariba), Hunt, Janet R., Johnson, LuAnn K., Badger, Thomas M., Lykken, Glenn I.

“…In a controlled feeding study, the effects of substituting 25 g soy protein for meat on calcium retention and bone biomarkers were determined. Postmenopausal…”
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A diet high in meat protein and potential renal acid load increases fractional calcium absorption and urinary calcium excretion without affecting markers of bone resorption or formation in postmenopausal women by Cao, Jay J, Johnson, LuAnn K, Hunt, Janet R

“…Our objective in this study was to determine the effects of a high-protein and high-potential renal acid load (PRAL) diet on calcium (Ca) absorption and…”
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Adaptation in human zinc absorption as influenced by dietary zinc and bioavailability by Hunt, Janet R, Beiseigel, Jeannemarie M, Johnson, LuAnn K

“…BACKGROUND: An understanding of the relations among dietary zinc intake, bioavailability, and absorption is necessary for making dietary intake…”
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High-, but not low-bioavailability diets enable substantial control of women's iron absorption in relation to body iron stores, with minimal adaptation within several weeks by HUNT, Janet R

“…Adaptation of iron absorption in response to dietary iron bioavailability is less likely in premenopausal women, who generally have lower iron stores, than in…”
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Dietary and physiological factors that affect the absorption and bioavailability of iron by Hunt, Janet R

“…Iron deficiency, a global health problem, impairs reproductive performance, cognitive development, and work capacity. One proposed strategy to address this…”
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Algorithms for iron and zinc bioavailability: are they accurate? by Hunt, Janet R

“…Several bioavailability algorithms have been proposed for iron and zinc, confirming the need for these tools while emphasizing the challenge of deriving…”
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Dietary calcium does not exacerbate phytate inhibition of zinc absorption by women from conventional diets by Hunt, Janet R, Beiseigel, Jeannemarie M

“…BACKGROUND: Although calcium inhibits zinc bioavailability in rats, especially from high-phytate diets, the effect of calcium on zinc absorption by humans from…”
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Iron absorption by healthy women is not associated with either serum or urinary prohepcidin by Hadley, Kevin B, Johnson, LuAnn K, Hunt, Janet R

“…BACKGROUND: Although hepcidin is proposed as a regulator of iron absorption, this has not been assessed in humans. OBJECTIVE: Our objective was to assess the…”
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Iron bioavailability from maize and beans: a comparison of human measurements with Caco-2 cell and algorithm predictions by Beiseigel, Jeannemarie M, Hunt, Janet R, Glahn, Raymond P, Welch, Ross M, Menkir, Abebe, Maziya-Dixon, Bussie B

“…BACKGROUND: An in vitro digestion and Caco-2 cell model may predict iron bioavailability to humans; however, direct comparisons are lacking. OBJECTIVE: The…”
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Introduction to symposium proceedings “"Applying vitamin A isotope dilution techniques to benefit human nutrition”" by Hunt, Janet R, Kurpad, Anura V

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Research recommendations for applying vitamin A-labelled isotope dilution techniques to improve human vitamin A nutrition by Tanumihardjo, Sherry A, Kurpad, Anura V, Hunt, Janet R

“…The current use of serum retinol concentrations as a measurement of subclinical vitamin A deficiency is unsatisfactory for many reasons. The best technique…”
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Dietary copper primarily affects antioxidant capacity and dietary iron mainly affects iron status in a surface response study of female rats fed varying concentrations of iron, zinc and copper by Roughead, Z K, Johnson, L K, Hunt, J R

“…This study was designed to examine the interactions among dietary iron (Fe), copper (Cu), and zinc (Zn) and their effects on Fe status and oxidative stress in…”
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Iron absorption by heterozygous carriers of the HFE C282Y mutation associated with hemochromatosis by Hunt, Janet R, Zeng, Huawei

“…Background: Research conducted before genotyping was possible suggested that subjects heterozygous for the genetic mutation associated with hemochromatosis…”
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Moving toward a plant-based diet: are iron and zinc at risk? by Hunt, Janet R

“…With reduced intake of meat and increased intake of phytate-containing legumes and whole grains, movement toward plant-based diets reduces dietary iron and…”
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