Nutritional evaluation of soldiers subsisting on meal, ready-to-eat operational rations for an extended period: body measurements, hydration, and blood nutrients

To evaluate the nutritional value of a new military operational ration, meal, ready-to-eat (MRE), 27 soldiers were fed the ration as their only food during a 34-d field exercise at an elevation of 1800 m. Thirty soldiers given hot breakfasts and dinners and MREs for lunch served as control subjects....

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Bibliographic Details
Published in:	The American journal of clinical nutrition Vol. 48; no. 1; pp. 30 - 37
Main Authors:	Lichton, IJ, Miyamura, JB, McNutt, SW
Format:	Journal Article
Language:	English
Published:	Bethesda, MD Elsevier Inc 01-07-1988 American Society for Clinical Nutrition
Subjects:	Adipose Tissue - analysis Adult Biological and medical sciences Blood Proteins - analysis Body Constitution Body Water - analysis Feeding. Feeding behavior Food, Formulated Fundamental and applied biological sciences. Psychology Hematocrit Hemoglobins - analysis Humans Male Military Personnel Nutritional Status Time Factors Vertebrates: anatomy and physiology, studies on body, several organs or systems Vitamins - blood Zinc - blood Human Diet Nutritive value Weight loss Vitamin Dehydration Body composition Nutritional status Military field Zinc
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Summary:	To evaluate the nutritional value of a new military operational ration, meal, ready-to-eat (MRE), 27 soldiers were fed the ration as their only food during a 34-d field exercise at an elevation of 1800 m. Thirty soldiers given hot breakfasts and dinners and MREs for lunch served as control subjects. Measurements were made of body height, weight, skinfold thickness at four sites, urine volume and concentration, urinary zinc loss, hemoglobin, hematocrit, serum alkaline phosphatase activity, serum concentrations of albumin, total protein, ascorbic acid, folate, retinol, and Zn, and plasma pyridoxal phosphate concentration. The men fed only MREs experienced significant weight loss compared with those fed hot meals. Neither group appeared to be dehydrated. Hemoglobin and hematocrit values rose in response to increased elevation. Both groups of soldiers displayed normal values, indicative of acceptable nutritional status, of serum proteins, measured vitamins, and Zn.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0002-9165 1938-3207
DOI:	10.1093/ajcn/48.1.30