Aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenas

This review discusses the factors involved in the aetiology of obesity. The effect of dietary macronutrient composition on the metabolic fate of fat (oxidation or storage) is emphasised. Available information on dietary intake in adults from food balance sheets or dietary surveys, show that females...

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Autores principales:	Díaz B,Erik, Galgani F,José
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 1999
Materias:	Fatty acids Fatty acids, unsaturated Obesity Oxidants
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98871999000900015
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spelling	oai:scielo:S0034-988719990009000151999-12-13Aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenasDíaz B,ErikGalgani F,José Fatty acids Fatty acids, unsaturated Obesity Oxidants This review discusses the factors involved in the aetiology of obesity. The effect of dietary macronutrient composition on the metabolic fate of fat (oxidation or storage) is emphasised. Available information on dietary intake in adults from food balance sheets or dietary surveys, show that females eat a relatively low amount of fat (50-70 g/d on average), although this seems to be rising. The increasing prevalence of obesity in our population could be related to the glycemic index of meals, their fatty acid composition and the time interval between meals. This paper compares the oxidation rates of different fatty acids, particularly polyunsaturated fatty acids (PUFA), and among these, the high oxidation rates found for a-linolenic and linoleic acids. Medium chain saturated fatty acids (C8 to C12) are more likely to be oxidised in comparison with PUFA and longer chain saturated fatty acids. The latter are more likely to be directed to fat storage, particularly when they are combined with highly glycemic carbohydrates (CHO) in the same meal. Given the large proportion of CHO in the usual diet, the relevance of de-novo lipogenesis from CHO is questioned. It is concluded that this route is not readily used in humans consuming normal diets. Therefore, this mechanism can not be responsible for the rising prevalence of obesity.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.127 n.9 19991999-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98871999000900015es10.4067/S0034-98871999000900015
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Fatty acids Fatty acids, unsaturated Obesity Oxidants
spellingShingle	Fatty acids Fatty acids, unsaturated Obesity Oxidants Díaz B,Erik Galgani F,José Aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenas
description	This review discusses the factors involved in the aetiology of obesity. The effect of dietary macronutrient composition on the metabolic fate of fat (oxidation or storage) is emphasised. Available information on dietary intake in adults from food balance sheets or dietary surveys, show that females eat a relatively low amount of fat (50-70 g/d on average), although this seems to be rising. The increasing prevalence of obesity in our population could be related to the glycemic index of meals, their fatty acid composition and the time interval between meals. This paper compares the oxidation rates of different fatty acids, particularly polyunsaturated fatty acids (PUFA), and among these, the high oxidation rates found for a-linolenic and linoleic acids. Medium chain saturated fatty acids (C8 to C12) are more likely to be oxidised in comparison with PUFA and longer chain saturated fatty acids. The latter are more likely to be directed to fat storage, particularly when they are combined with highly glycemic carbohydrates (CHO) in the same meal. Given the large proportion of CHO in the usual diet, the relevance of de-novo lipogenesis from CHO is questioned. It is concluded that this route is not readily used in humans consuming normal diets. Therefore, this mechanism can not be responsible for the rising prevalence of obesity.
author	Díaz B,Erik Galgani F,José
author_facet	Díaz B,Erik Galgani F,José
author_sort	Díaz B,Erik
title	Aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenas
title_short	Aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenas
title_full	Aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenas
title_fullStr	Aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenas
title_full_unstemmed	Aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenas
title_sort	aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenas
publisher	Sociedad Médica de Santiago
publishDate	1999
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98871999000900015
work_keys_str_mv	AT diazberik aspectosmetabolicosydietariosinvolucradosenlaetiologiadelaobesidadenmujereschilenas AT galganifjose aspectosmetabolicosydietariosinvolucradosenlaetiologiadelaobesidadenmujereschilenas
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Aspectos metabólicos y dietarios involucrados en la etiología de la obesidad en mujeres chilenas

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