Janet R Hunt

Summary

Publications

  1. ncbi request reprint Calcium requirements of growing rats based on bone mass, structure, or biomechanical strength are similar
    Janet R Hunt
    USDA Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202, USA
    J Nutr 138:1462-8. 2008
  2. doi request reprint Body iron excretion by healthy men and women
    Janet R Hunt
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 89:1792-8. 2009
  3. doi request reprint Dietary protein and calcium interact to influence calcium retention: a controlled feeding study
    Janet R Hunt
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND, USA
    Am J Clin Nutr 89:1357-65. 2009
  4. doi request reprint Dietary calcium does not exacerbate phytate inhibition of zinc absorption by women from conventional diets
    Janet R Hunt
    US Department of Agriculture Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 89:839-43. 2009
  5. ncbi request reprint Adaptation in human zinc absorption as influenced by dietary zinc and bioavailability
    Janet R Hunt
    US Department of Agriculture Agricultural Research Service Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 87:1336-45. 2008
  6. ncbi request reprint Inhibitory effects of dietary calcium on the initial uptake and subsequent retention of heme and nonheme iron in humans: comparisons using an intestinal lavage method
    Zamzam K Fariba Roughead
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 82:589-97. 2005
  7. doi request reprint 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
    Jay J Cao
    USDA, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202, USA
    J Nutr 141:391-7. 2011
  8. ncbi request reprint An irradiated electrolytic iron fortificant is poorly absorbed by humans and is less responsive than FeSO4 to the enhancing effect of ascorbic acid
    James H Swain
    U S Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND, USA
    J Nutr 136:2167-74. 2006
  9. ncbi request reprint Iron absorption by healthy women is not associated with either serum or urinary prohepcidin
    Kevin B Hadley
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 84:150-5. 2006
  10. ncbi request reprint Zinc absorption adapts to zinc supplementation in postmenopausal women
    Jeannemarie M Beiseigel
    US Department of Agriculture, ARS, GFHNRC, University of North Dakota, PO Box 9034, Grand Forks, ND 58202 9034, USA
    J Am Coll Nutr 28:177-83. 2009

Collaborators

Detail Information

Publications22

  1. ncbi request reprint Calcium requirements of growing rats based on bone mass, structure, or biomechanical strength are similar
    Janet R Hunt
    USDA Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202, USA
    J Nutr 138:1462-8. 2008
    ..There was no evidence of a relative P deficiency or of improved or impaired bone strength and structure as Ca intakes increased beyond those needed to maximize bone density...
  2. doi request reprint Body iron excretion by healthy men and women
    Janet R Hunt
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 89:1792-8. 2009
    ..Iron excretion measured by isotope dilution has been a primary basis for the factorial derivation of recommendations for iron intake, but the results have been available for men only...
  3. doi request reprint Dietary protein and calcium interact to influence calcium retention: a controlled feeding study
    Janet R Hunt
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND, USA
    Am J Clin Nutr 89:1357-65. 2009
    ..The effect of meat protein on calcium retention at different calcium intakes is unresolved...
  4. doi request reprint Dietary calcium does not exacerbate phytate inhibition of zinc absorption by women from conventional diets
    Janet R Hunt
    US Department of Agriculture Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 89:839-43. 2009
    ..Although calcium inhibits zinc bioavailability in rats, especially from high-phytate diets, the effect of calcium on zinc absorption by humans from practical diets remains unclear...
  5. ncbi request reprint Adaptation in human zinc absorption as influenced by dietary zinc and bioavailability
    Janet R Hunt
    US Department of Agriculture Agricultural Research Service Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 87:1336-45. 2008
    ..An understanding of the relations among dietary zinc intake, bioavailability, and absorption is necessary for making dietary intake recommendations...
  6. ncbi request reprint Inhibitory effects of dietary calcium on the initial uptake and subsequent retention of heme and nonheme iron in humans: comparisons using an intestinal lavage method
    Zamzam K Fariba Roughead
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 82:589-97. 2005
    ..Calcium is the only reported dietary inhibitor of both heme- and nonheme-iron absorption. It has been proposed that the 2 forms of iron enter a common pool in the enterocyte and that calcium inhibits the serosal transfer of iron into blood...
  7. doi request reprint 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
    Jay J Cao
    USDA, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202, USA
    J Nutr 141:391-7. 2011
    ..The increased IGF-I and decreased PTH concentrations in serum, with no change in biomarkers of bone resorption or formation, indicate a high-protein diet has no adverse effects on bone health...
  8. ncbi request reprint An irradiated electrolytic iron fortificant is poorly absorbed by humans and is less responsive than FeSO4 to the enhancing effect of ascorbic acid
    James H Swain
    U S Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND, USA
    J Nutr 136:2167-74. 2006
    ..The diminished influence of ascorbic acid on the absorption of less soluble iron sources such as elemental iron powders may be an important consideration when choosing iron fortificants...
  9. ncbi request reprint Iron absorption by healthy women is not associated with either serum or urinary prohepcidin
    Kevin B Hadley
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 84:150-5. 2006
    ..Although hepcidin is proposed as a regulator of iron absorption, this has not been assessed in humans...
  10. ncbi request reprint Zinc absorption adapts to zinc supplementation in postmenopausal women
    Jeannemarie M Beiseigel
    US Department of Agriculture, ARS, GFHNRC, University of North Dakota, PO Box 9034, Grand Forks, ND 58202 9034, USA
    J Am Coll Nutr 28:177-83. 2009
    ..To determine if human Zn absorption adapts to chronic high Zn intakes...
  11. ncbi request reprint Controlled substitution of soy protein for meat protein: effects on calcium retention, bone, and cardiovascular health indices in postmenopausal women
    Zamzam K Roughead
    United States Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, North Dakota 58202 9034, USA
    J Clin Endocrinol Metab 90:181-9. 2005
    ..Substitution of 25 g high isoflavone soy protein for meat, in the presence of typical calcium intakes, did not improve or impair calcium retention or indicators of bone and cardiovascular health in postmenopausal women...
  12. doi request reprint Dietary zinc reduces osteoclast resorption activities and increases markers of osteoblast differentiation, matrix maturation, and mineralization in the long bones of growing rats
    Kevin B Hadley
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, North Dakota 58202 9034, USA
    J Nutr Biochem 21:297-303. 2010
    ..5 to 30 microg/g provide evidence of one or more physiological roles for zinc in modulating the balance between bone formation and resorption...
  13. ncbi request reprint Electrolytic iron or ferrous sulfate increase body iron in women with moderate to low iron stores
    James H Swain
    USDA, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202, USA
    J Nutr 137:620-7. 2007
    ....
  14. ncbi request reprint Iron bioavailability from maize and beans: a comparison of human measurements with Caco-2 cell and algorithm predictions
    Jeannemarie M Beiseigel
    US Department of Agriculture Agricultural Research Service Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 86:388-96. 2007
    ..An in vitro digestion and Caco-2 cell model may predict iron bioavailability to humans; however, direct comparisons are lacking...
  15. ncbi request reprint Bioavailability of elemental iron powders to rats is less than bakery-grade ferrous sulfate and predicted by iron solubility and particle surface area
    James H Swain
    U S Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND, USA
    J Nutr 133:3546-52. 2003
    ..80). Bioavailability of iron powders is less than bakery-grade ferrous sulfate and varies up to three times among different commercial forms. Solubility at pH 1.0 and surface area were predictive of iron bioavailability in rats...
  16. ncbi request reprint Bioavailability of iron, zinc, and other trace minerals from vegetarian diets
    Janet R Hunt
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202, USA
    Am J Clin Nutr 78:633S-639S. 2003
    ....
  17. ncbi request reprint Controlled high meat diets do not affect calcium retention or indices of bone status in healthy postmenopausal women
    Zamzam K Roughead
    Grand Forks Human Nutrition Research Center, Agricultural Research Service, U S Department of Agriculture, Grand Forks, ND 58202 9034, USA
    J Nutr 133:1020-6. 2003
    ..Calcium retention is not reduced when subjects consume a high protein diet from common dietary sources such as meat...
  18. ncbi request reprint Iron absorption by heterozygous carriers of the HFE C282Y mutation associated with hemochromatosis
    Janet R Hunt
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND, USA
    Am J Clin Nutr 80:924-31. 2004
    ..Heme-iron absorption in these subjects has not been reported...
  19. ncbi request reprint Bioavailability of zinc from cooked philippine milled, undermilled, and brown rice, as assessed in rats by using growth, bone zinc, and zinc-65 retention
    Janet R Hunt
    Grand Forks Human Nutrition Research Center, USDA ARS, P O Box 9034, Grand Forks, North Dakota 58202, USA
    J Agric Food Chem 50:5229-35. 2002
    ..With respect to zinc, the nutritional value was inversely related to milling, providing approximately 15, 17, and 21 microg bioavailable zinc/g rice, respectively, for milled, undermilled and brown rice of this variety...
  20. ncbi request reprint Dietary and physiological factors that affect the absorption and bioavailability of iron
    Janet R Hunt
    Micronutrient Absorption and Metabolism Unit, USDA ARS Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202, USA
    Int J Vitam Nutr Res 75:375-84. 2005
    ..Plentiful, varied diets are the ultimate resolution to iron deficiency. Without these, more modest food-based approaches to human iron deficiency likely will need to be augmented by dietary iron fortification...
  21. ncbi request reprint 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
    Janet R Hunt
    U S Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, PO Box 9034, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 78:1168-77. 2003
    ..Adaptation of iron absorption in response to dietary iron bioavailability is less likely in premenopausal women, who generally have lower iron stores, than in men...
  22. ncbi request reprint Initial uptake and absorption of nonheme iron and absorption of heme iron in humans are unaffected by the addition of calcium as cheese to a meal with high iron bioavailability
    Zamzam K Fariba Roughead
    US Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND 58202 9034, USA
    Am J Clin Nutr 76:419-25. 2002
    ..Quantitative data on the mucosal uptake and serosal transfer of nonheme-iron absorption in humans and the effects of calcium on these components are limited...