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Calcium bioavailability of vegetarian diets in rats: potential application in a bioregenerative life-support systemCalcium bioavailability of vegetarian diets containing various proportions of candidate crops for a controlled ecological life-support system (CELSS) was determined by femur 45Ca uptake. Three vegetarian diets and a control diet were labeled extrinsically with 45Ca and fed to 5-wk old male rats. A fifth group of rats fed an unlabeled control diet received an intraperitoneal (IP) injection of 45Ca. There was no significant difference in mean calcium absorption of vegetarian diets (90.80 +/- 5.23%) and control diet (87.85 +/- 5.25%) when calculated as the percent of an IP dose. The amounts of phytate, oxalate, and dietary fiber in the diets did not affect calcium absorption.
Document ID
20040089392
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Nickel, K. P.
(Purdue Univ. West Lafayette, IN 47907, United States)
Nielsen, S. S.
Smart, D. J.
Mitchell, C. A.
Belury, M. A.
Date Acquired
August 21, 2013
Publication Date
May 1, 1997
Publication Information
Publication: Journal of food science
Volume: 62
Issue: 3
ISSN: 0022-1147
Subject Category
Man/System Technology And Life Support
Distribution Limits
Public
Copyright
Other
Keywords
NASA Discipline Life Support Systems
Non-NASA Center

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