Effect of long-term anti-orthostatic hypokinesia on the composition of volatile metabolites in the exhaled air

This paper presents measurements of volatile metabolites in the air exhaled by test subjects exposed to year-long antiorthostatic hypokinesia (-5 degrees). The test subjects were subdivided into two groups (Group A and Group B), which used different countermeasures. It was found that during the firs...

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Bibliographic Details
Published inKosmicheskaia biologiia i aviakosmicheskaia meditsina Vol. 24; no. 6; p. 27
Main Authors Ryzhkova, V E, Mikos, K N, Savina, V P
Format Journal Article
LanguageRussian
Published Russia (Federation) 01.11.1990
Subjects
Acetaldehyde - analysis
Acetaldehyde - metabolism
Acetone - analysis
Acetone - metabolism
Adult
Alcohols - analysis
Alcohols - metabolism
Breath Tests - methods
Chromatography, Gas - methods
Humans
Hydrocarbons - analysis
Hydrocarbons - metabolism
Immobilization - physiology
Male
Models, Biological
Posture - physiology
Time Factors
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Summary:This paper presents measurements of volatile metabolites in the air exhaled by test subjects exposed to year-long antiorthostatic hypokinesia (-5 degrees). The test subjects were subdivided into two groups (Group A and Group B), which used different countermeasures. It was found that during the first 30 days of exposure exhalation of volatile metabolites reached a new and higher level. During test days 1 through 240 the content of volatile metabolites increased significantly in both groups; however the increase in Group B was less expressed than in Group A. At the final stage of the experiment, i.e. from day 240 through 370, the difference between the two groups was levelled off.
ISSN:0321-5040