Report of preliminary investigations on the metabolism of nitrogen and carbon in the human organism : with a respiration calorimeter of special construction / By W. O. Atwater, Ph.D., C. D. Woods, B.S., and F. G. Benedict, Ph.D.

  • Atwater, W. O. (Wilbur Olin), 1844-1907.
Date:
1897
Catalogue details

Licence: Public Domain Mark

Credit: Report of preliminary investigations on the metabolism of nitrogen and carbon in the human organism : with a respiration calorimeter of special construction / By W. O. Atwater, Ph.D., C. D. Woods, B.S., and F. G. Benedict, Ph.D. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    CONTENTS. Page. iNTUt )nrcTiox 7 (loueral statement 7 The experiments reported in tliis bulletin 10 ArPAUATUS 11 The resi)iiatiou ehaniher 12 Appliances for ventilation and for the measurement and analysis of the ventilatiui,' current of air 16 Air pump 18 Tension equalizer !!• Meter for measuring air 19 Aspirators for sampling air 20 Apparatus for determining earbon dioxid and water in sniuples of air. 21 Methods ov samplixh ani> analysis 22 Analysis of food, feces, and urine 22 Preparation and sampling of food 22 Water.. 24 Fat—Ether extract 25 Ash 25 Nitrogen—Protein 25 (Jarbon and hydrogen 26 Heats of combustion—Fuel values 26 Collecting, jjreserving, and sampling of feces and urine 26 Analysis of respiratory pioducts 27 Carbon dioxid 27 Water 20 Volatile organn- compounds 31 The experiments 31 The diet 32 Daily routine 31 Computation of icsults 35 Nitrogen l)a]an<e 35 Carbon lialance 37 Cain ami loss oi' jiroteiu aTid fat 3S Energy 39 l{espiration experiment No. 1 (Digestion experiment No. 11) 40 Respiration <-xperiment No. 2 (Digestion experiment No. 12) 45 Respiration experiment No. 3 (Digestion expeiiment No. 13) 4S Respiration experiment No. 4 (Digestion expf^rimeut No. 14) 51 1 MscuHsion oCrr-snlts 56 V^cntilatioii and jiroduction of earbon dioxid 5(5 Nutrients :ind (nel \ iilues 5.S Conclusions 63