G
G L Peiffer
Researcher at United States Department of Agriculture
Publications - 5
Citations - 400
G L Peiffer is an academic researcher from United States Department of Agriculture. The author has contributed to research in topics: Intestinal absorption & Copper. The author has an hindex of 5, co-authored 5 publications receiving 353 citations.
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Journal ArticleDOI
Copper absorption, excretion, and retention by young men consuming low dietary copper determined by using the stable isotope 65Cu
TL;DR: The results suggest that endogenous copper excretion is a major point of regulation of the body's copper stores, and Regulation of absorption and of endogenous excretion in response to dietary copper intake helps to protect against deficiency and toxicity.
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Molybdenum absorption, excretion, and retention studied with stable isotopes in young men at five intakes of dietary molybdenum.
TL;DR: It is concluded that dietary intakes between 22 and 1500 micrograms/d by adult men are safe for > or = 24 d and that molybdenum retention is regulated by urinary excretion.
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Copper status of young men consuming a low-copper diet
Judith R. Turnlund,K C Scott,G L Peiffer,A M Jang,William R. Keyes,Carl L. Keen,T M Sakanashi +6 more
TL;DR: The results suggest that these indexes of copper status are sensitive to copper depletion; that 0.38 mg Cu/d is not sufficient to maintain copper status in normal, healthy young men; and that the minimum dietary copper requirement is between 0.4 and 0.8 mg/d.
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Isotope ratios of molybdenum determined by thermal ionization mass spectrometry for stable isotope studies of molybdenum metabolism in humans.
TL;DR: Methods were developed to separate and purify Mo from biological samples and to measure isotopic ratios in 1 microgram of Mo, using a triple-isotope-dilution approach, so the method could be applied to two-tracer studies of Mo metabolism in human subjects.
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Molybdenum absorption and utilization in humans from soy and kale intrinsically labeled with stable isotopes of molybdenum
Judith R. Turnlund,Connie M. Weaver,Soon Kyung Kim,William R. Keyes,Y Gizaw,Katherine H. Thompson,G L Peiffer +6 more
TL;DR: The molyBdenum in soy is less available than molybdenum added to the diet, but themolyb denum in kale is as available as moly bdenum Added to the Diet.