{"id":823,"date":"2018-07-06T12:02:04","date_gmt":"2018-07-06T12:02:04","guid":{"rendered":"https:\/\/app.blv.foodcase-services.com\/modification-de-la-valeur-nutritionnelle-lors-de-la-preparation\/"},"modified":"2021-02-28T11:59:48","modified_gmt":"2021-02-28T10:59:48","slug":"modification-de-la-valeur-nutritionnelle-lors-de-la-preparation","status":"publish","type":"page","link":"https:\/\/valorinutritivi.ch\/fr\/modification-de-la-valeur-nutritionnelle-lors-de-la-preparation\/","title":{"rendered":"Modification de la valeur nutritionnelle lors de la pr\u00e9paration"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: #ffffff;background-position: center center;background-repeat: no-repeat;padding-top:60px;padding-right:0px;padding-bottom:60px;padding-left:0px;margin-bottom: 0px;border-width: 0px 0px 0px 0px;border-color:#eae9e9;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_6 1_6 fusion-one-sixth fusion-column-first\" style=\"width:16.666666666667%;width:calc(16.666666666667% - ( ( 4% + 4% ) * 0.16666666666667 ) );margin-right: 4%;margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_2_3 2_3 fusion-two-third\" style=\"width:66.666666666667%;width:calc(66.666666666667% - ( ( 4% + 4% ) * 0.66666666666667 ) );margin-right: 4%;margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-text fusion-text-1\"><h2 style=\"text-align: center;\">Modification de la valeur nutritionnelle lors de la cuisson et de la pr\u00e9paration des aliments<\/h2>\n<\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator\" style=\"margin-left: auto;margin-right: auto;margin-bottom:30px;width:100%;max-width:123px;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"border-color:#ed222f;border-top-width:8px;\"><\/div><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-text fusion-text-2\"><p>La cuisson modifie la valeur nutritive des aliments. L\u2019ampleur du changement d\u00e9pend notamment de la nature de l\u2019aliment, du mode de cuisson, du temps de cuisson et de la temp\u00e9rature. Selon la m\u00e9thode de cuisson utilis\u00e9e, des variations de poids et de teneur en nutriments sont possibles.<\/p>\n<p>La teneur en nutriments d\u2019un aliment cuit ou d\u2019un menu peut faire l\u2019objet d\u2019analyses ou de calculs. Les analyses ont l\u2019avantage de livrer des valeurs exactes. Mais il s\u2019agit d\u2019une op\u00e9ration exigeante, complexe et co\u00fbteuse. Dans la pratique, la teneur en nutriments d\u2019un produit appr\u00eat\u00e9 se calcule donc g\u00e9n\u00e9ralement \u00e0 l\u2019aide de facteurs moyens de perte ou de gain. Il en va ainsi pour la base de donn\u00e9es suisse des valeurs nutritives.<\/p>\n<p>Pour calculer la teneur en nutriments d\u2019un aliment appr\u00eat\u00e9, il faut tenir compte non seulement des pertes, mais aussi des \u00e9ventuelles variations de poids. Si le poids diminue, on a affaire \u00e0 une concentration. La teneur en vitamines et en sels min\u00e9raux par portion de 100 g d\u2019un aliment cuit peut donc tr\u00e8s bien \u00eatre sup\u00e9rieure \u00e0 celle du m\u00eame produit cru, malgr\u00e9 les pertes de nutriments subies. A contrario, une augmentation de poids (p. ex., lors de la cuisson de p\u00e2tes) entra\u00eene une dilution. D\u2019o\u00f9 une teneur en nutriments par portion de 100 g de l\u2019aliment cuit nettement inf\u00e9rieure \u00e0 celle du m\u00eame aliment sec et cru.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_6 1_6 fusion-one-sixth fusion-column-last heading-section\" style=\"width:16.666666666667%;width:calc(16.666666666667% - ( ( 4% + 4% ) * 0.16666666666667 ) );margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-823","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - 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