Energy content of diets of variable amino acid composition
Variation in the distribution of dietary nitrogen among the different amino acids is one factor that can modify the calorie equivalent per weight of amino acid or protein. This is important to consider when experimental diets with different amino acid compositions are compared and when indirect calo...
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Published in | The American journal of clinical nutrition Vol. 52; no. 5; pp. 770 - 776 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
United States
Elsevier Inc
01.11.1990
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Abstract | Variation in the distribution of dietary nitrogen among the different amino acids is one factor that can modify the calorie equivalent per weight of amino acid or protein. This is important to consider when experimental diets with different amino acid compositions are compared and when indirect calorimetry is used to determine substrate oxidation rates. We developed a computer program to compute the energy content, oxygen equivalent, and respiratory quotient for arbitrary mixtures of amino acids and representative carbohydrates and fats. The calorie content of individual free amino acids was calculated by correction of the heat of combustion for the incomplete oxidation of amino acids characteristic of humans. Although these computations were presented before, we not report the limit of applicability of published values and the availability of the computer program to do these calculations. |
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AbstractList | Variation in the distribution of dietary nitrogen among the different amino acids is one factor that can modify the calorie equivalent per weight of amino acid or protein. This is important to consider when experimental diets with different amino acid compositions are compared and when indirect calorimetry is used to determine substrate oxidation rates. We developed a computer program to compute the energy content, oxygen equivalent, and respiratory quotient for arbitrary mixtures of amino acids and representative carbohydrates and fats. The calorie content of individual free amino acids was calculated by correction of the heat of combustion for the incomplete oxidation of amino acids characteristic of humans. Although these computations were presented before, we not report the limit of applicability of published values and the availability of the computer program to do these calculations. Variation in the distribution of dietary nitrogen among the different amino acids is one factor that can modify the calorie equivalent per weight of amino acid or protein. This is important to consider when experimental diets with different amino acid compositions are compared and when indirect calorimetry is used to determine substrate oxidation rates. We developed a computer program to compute the energy content, oxygen equivalent, and respiratory quotient for arbitrary mixtures of amino acids and representative carbohydrates and fats. The calorie content of individual free amino acids was calculated by correction of the heat of combustion for the incomplete oxidation of amino acids characteristic of humans. Although these computations were presented before, we now report the limit of applicability of published values and the availability of the computer program to do these calculations |
Author | May, ME Hill, JO |
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BackLink | https://www.ncbi.nlm.nih.gov/pubmed/2239750$$D View this record in MEDLINE/PubMed |
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Cites_doi | 10.1093/ajcn/47.4.608 10.1016/0022-4804(80)90005-0 10.1093/jn/118.11.1278 10.1177/0148607186010005446 10.1002/dmr.5610050303 |
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References | Hutchens (bib2) 1970 Freund, Yoshimura, Fischer (bib11) 1980; 29 Schoeller (bib12) 1988; 118 Livesey, Elia (bib5) 1988; 47 (bib7) 1989; 50 Diem, Lentner (bib4) 1975 May, Buse (bib10) 1989; 5 Brennan, Cerra, Daly (bib9) 1986; 10 Dean (bib3) 1985 Widdowson (bib1) 1978 (bib6) 1976 (bib8) 1989 Hutchens (10.1093/ajcn/52.5.770_bib2) 1970 Schoeller (10.1093/ajcn/52.5.770_bib12) 1988; 118 May (10.1093/ajcn/52.5.770_bib10) 1989; 5 Widdowson (10.1093/ajcn/52.5.770_bib1) 1978 (10.1093/ajcn/52.5.770_bib8) 1989 Livesey (10.1093/ajcn/52.5.770_bib5) 1988; 47 (10.1093/ajcn/52.5.770_bib7) 1989; 50 (10.1093/ajcn/52.5.770_bib6) 1976 Freund (10.1093/ajcn/52.5.770_bib11) 1980; 29 Dean (10.1093/ajcn/52.5.770_bib3) 1985 Diem (10.1093/ajcn/52.5.770_bib4) 1975 Brennan (10.1093/ajcn/52.5.770_bib9) 1986; 10 |
References_xml | – volume: 10 start-page: 446 year: 1986 end-page: 452 ident: bib9 article-title: Report of a research workshop: branched chain amino acids in stress and injury publication-title: JPEN contributor: fullname: Daly – volume: 5 start-page: 227 year: 1989 end-page: 245 ident: bib10 article-title: Effects of branched chain amino acids on protein turnover publication-title: Diabetes Metab Rev contributor: fullname: Buse – year: 1976 ident: bib6 article-title: Composition of foods: dairy and egg products publication-title: Agricultural handbook no. 8-1 – year: 1989 ident: bib8 article-title: Recommended dietary allowances. – start-page: 322 year: 1978 end-page: 326 ident: bib1 article-title: Note on the calculation of the energy value of foods and of diets. publication-title: The composition of foods. contributor: fullname: Widdowson – volume: 47 start-page: 608 year: 1988 end-page: 628 ident: bib5 article-title: Estimation of energy expenditure, net carbohydrate utilization, and net fat oxidation and synthesis by indirect calorimetry: evaluation of errors with special reference to the detailed composition of fuels publication-title: Am J Clin Nutr contributor: fullname: Elia – start-page: 663 year: 1975 end-page: 672 ident: bib4 article-title: Scientific tables contributor: fullname: Lentner – year: 1985 ident: bib3 contributor: fullname: Dean – start-page: B62 year: 1970 end-page: 4 ident: bib2 article-title: Heat of combustion, enthalpy and free energy of formation of amino acids and related compounds. publication-title: Handbook of biochemistry contributor: fullname: Hutchens – volume: 50 start-page: 1475 year: 1989 ident: bib7 article-title: Am J Clin Nutr – volume: 29 start-page: 23 year: 1980 end-page: 30 ident: bib11 article-title: The role of alanine in the nitrogen conserving quality of the branched chain amino acids in the post injury state publication-title: J Surg Res contributor: fullname: Fischer – volume: 118 start-page: 1278 year: 1988 end-page: 1289 ident: bib12 article-title: Measurement of energy expenditure in free-living humans by using doubly labeled water publication-title: J Nutr contributor: fullname: Schoeller – year: 1976 ident: 10.1093/ajcn/52.5.770_bib6 article-title: Composition of foods: dairy and egg products – start-page: 663 year: 1975 ident: 10.1093/ajcn/52.5.770_bib4 contributor: fullname: Diem – volume: 47 start-page: 608 year: 1988 ident: 10.1093/ajcn/52.5.770_bib5 article-title: Estimation of energy expenditure, net carbohydrate utilization, and net fat oxidation and synthesis by indirect calorimetry: evaluation of errors with special reference to the detailed composition of fuels publication-title: Am J Clin Nutr doi: 10.1093/ajcn/47.4.608 contributor: fullname: Livesey – volume: 50 start-page: 1475 year: 1989 ident: 10.1093/ajcn/52.5.770_bib7 article-title: Am J Clin Nutr – year: 1989 ident: 10.1093/ajcn/52.5.770_bib8 – volume: 29 start-page: 23 year: 1980 ident: 10.1093/ajcn/52.5.770_bib11 article-title: The role of alanine in the nitrogen conserving quality of the branched chain amino acids in the post injury state publication-title: J Surg Res doi: 10.1016/0022-4804(80)90005-0 contributor: fullname: Freund – year: 1985 ident: 10.1093/ajcn/52.5.770_bib3 contributor: fullname: Dean – volume: 118 start-page: 1278 year: 1988 ident: 10.1093/ajcn/52.5.770_bib12 article-title: Measurement of energy expenditure in free-living humans by using doubly labeled water publication-title: J Nutr doi: 10.1093/jn/118.11.1278 contributor: fullname: Schoeller – volume: 10 start-page: 446 year: 1986 ident: 10.1093/ajcn/52.5.770_bib9 article-title: Report of a research workshop: branched chain amino acids in stress and injury publication-title: JPEN doi: 10.1177/0148607186010005446 contributor: fullname: Brennan – start-page: 322 year: 1978 ident: 10.1093/ajcn/52.5.770_bib1 article-title: Note on the calculation of the energy value of foods and of diets. contributor: fullname: Widdowson – start-page: B62 year: 1970 ident: 10.1093/ajcn/52.5.770_bib2 article-title: Heat of combustion, enthalpy and free energy of formation of amino acids and related compounds. contributor: fullname: Hutchens – volume: 5 start-page: 227 year: 1989 ident: 10.1093/ajcn/52.5.770_bib10 article-title: Effects of branched chain amino acids on protein turnover publication-title: Diabetes Metab Rev doi: 10.1002/dmr.5610050303 contributor: fullname: May |
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SubjectTerms | ACIDE AMINE Amino Acids - analysis Amino Acids - metabolism Amino Acids, Branched-Chain - analysis Amino Acids, Branched-Chain - metabolism AMINOACIDOS Animals APLICACIONES DEL ORDENADOR APPLICATION DES ORDINATEURS Calorimetry - methods Diet DIETA Energy Metabolism FISICA Humans MATEMATICAS MATHEMATIQUE METABOLISME ENERGETIQUE METABOLISMO ENERGETICO PHYSIQUE Rats REGIME ALIMENTAIRE Software VALEUR ENERGETIQUE VALOR ENERGETICO |
Title | Energy content of diets of variable amino acid composition |
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