Now showing items 21-40 of 74

    • Miranda Vega, María Constanza (Universidad de Chile, 2007)
      La ferritina es una proteína que se encuentra en alimentos de origen animal y vegetal. Esta proteína tiene como función almacenar hasta 4.500 átomos de hierro en su interior como reserva. Se ha postulado que la ferritina ...
    • Olivares, Manuel; Pizarro Aguirre, Fernando; Speisky Cosoy, Hernán; Lönnerdal, Bo; Uauy Dagach-Imbarack, Ricardo (1998)
      Background: Copper is an essential nutrient for humans. Recently, a limit of 31.48 μmol/l (2 mg/l) was proposed by the World Health Organization as the provisional guideline value for copper content of drinking water. The ...
    • Rojas Sobarzo, Loreto; Olivares Grohnert, Manuel; Brito, Alex; Suazo Romo, Miriam; Araya, Magdalena; Pizarro Aguirre, Fernando (Springer, 2013)
      Copper (Cu) deficiency has been reported to influence lipid metabolism, but the effects in humans are controversial. To evaluate the effects of 8 mg Cu/day supplementation (as copper sulfate) for 6 months on the lipid ...
    • Muñoz, Carlos; López, Marcelo; Olivares Grohnert, Manuel; Pizarro Aguirre, Fernando; Arredondo Olguín, Miguel Armando; Araya, Magdalena (EUROPEAN CYTOKINE NETWORK, 2005-12)
      Backgound. Copper (Cu) is an essential trace element for many biological processes including maintenance of both innate and acquired branches of immunity. Objective. To measure the effect of copper supplementation on IL-2 ...
    • González Céspedes, Laura; Fretes, Gabriela; Ríos, Patricia; Estigarribia, Gladys; Viveros, Guiomar; Aguilar, Gloria; Joy, Laura; Pizarro Aguirre, Fernando; Bangdiwala, Shrikant (Asoc. Española Dietistas Nutricionistas, 2020)
      Introduction: The aim was to design a multi-component randomized controlled community study and evaluate its effect in the prevention of obesity in schoolchildren from the department of Caaguazu, Paraguay. Material and ...
    • Ríos Castillo, Israel (Universidad de Chile, 2011-10)
      Introducción: Se ha descrito que el calcio inhibe la absorción aguda de hierro. Sin embargo, no existen evidencias que muestren el efecto a largo plazo de la suplementación con calcio sobre la biodisponibilidad de ...
    • Pacheco Acosta, Johanna; Pizarro, Fernando (Sociedad Chilena de Pediatría, 2020)
      El primer año de vida es un periodo de riesgo de deficiencia de vitamina D (VD). La administración de 400 UI diarias de VD no tiene una adherencia del 100%, en cambio dosis únicas de 100.000 UI de VD oral son seguras en ...
    • Saavedra Díaz, Pía Carolina (Universidad de Chile, 2010)
      En los alimentos, el hierro se encuentra en dos formas químicas: hierro hemínico (Fe-hem) y hierro no hemínico (Fe no-hem). El Fe-hem tiene muy buena biodisponibilidad ya que el Fe se encuentra protegido por un anillo ...
    • Leiva Fuentes, Christian Fabian (Universidad de Chile, 2014)
      Introducción: Se ha descrito que 800 mg de calcio (Ca) no inhiben la absorción aguda de 5 mg de hierro (Fe) (relación molar Fe:Ca, 1:223). Sin embargo, no existen evidencias sobre el efecto del Ca sobre la biodisponibilidad ...
    • Heresi, Gloria; Olivares, Manuel; Pizarro Aguirre, Fernando; Cayazzo, Marisol; Stekel, Abraham (1987)
      The effect of an iron fortified milk on gastrointestinal and respiratory illness was evaluated in a prospective longitudinal field trial in which infants were provided beginning at 3 and continuing through 15 months of age ...
    • Andrews, Mónica; Briones, L.; Jaramillo, A.; Pizarro Aguirre, Fernando; Arredondo Olguín, Miguel (Springer, 2014)
      Calcium, phytic acid, polyphenols and fiber are major inhibitors of iron absorption and they could be found in excess in some diets, thereby altering or modifying the iron nutrition status. The purpose of this study is ...
    • López de Romaña, Daniel; Pizarro Aguirre, Fernando; Diazgranados, Doricela; Barba, Armando; Olivares, Manuel; Brunser, Oscar (2011)
      Helicobacter pylori infection could impair iron absorption from fortified products. The objective of the study was to determine the effect of H. pylori infection on iron absorption from asymptomatic adults consuming wheat ...
    • Weinborn, Valerie; Pizarro Aguirre, Fernando; Olivares Grohnert, Manuel; Brito, Alex; Arredondo Olguín, Miguel; Flores, Sebastián; Valenzuela Venegas, Carolina (MDPI AG, 2015)
      The aim of this study is to determine the effect of proteins from cereals and legumes on heme iron (Fe) absorption. The absorption of heme Fe without its native globin was measured. Thirty adult females participated in two ...
    • Pizarro Aguirre, Fernando; Olivares Grohnert, Manuel; Valenzuela Venegas, Carolina; Brito, Alex; Weinborn, Valerie; Flores, Sebastián; Arredondo Olguín, Miguel (Elsevier, 2016)
      Forty-five women (35-45 year) were randomly assigned to three iron (Fe) absorption sub-studies, which measured the effects of dietary animal proteins on the absorption of heme Fe. Study 1 was focused on heme, red blood ...
    • Heresi, Gloria; Pizarro Aguirre, Fernando; Olivares, Manuel; Cayazzo, Marisol; Hertrampf, Eva; Walter, Tomas; Murphy, James R.; Stekel, Abraham (Informa Healthcare, 1995)
      To address the hypothesis that increased infectious morbidity is associated with iron supplementation, 783 randomly selected infants were provided with a powdered full fat cow's milk (non-fortified group). and 872 with a ...
    • Carrasco, Fernando; Arenas Rojas, Pamela; Ruz, Manuel; Rebolledo, Anabella; Codoceo, Juana; Inostroza, Jorge; Mizón, Claudio; Papapietro Vallejo, Karin; Csendes Juhasz, Attila; Rojas, Jorge; Pizarro Aguirre, Fernando; Olivares, Manuel (Sociedad Medica de Santiago, 2008)
      Background: The effects of gastric bypass (GBP) on resting energy expenditure (REE) are not well known. Aim: To evaluate the changes in REE and its relationship with body composition in severe and morbid obese women before ...
    • Basfi-fer Obregón, Karen; Rojas, P. S.; Carrasco, F.; Valencia, A., Mauricio; Inostroza, J.; Codoceo, Juana; Pizarro Aguirre, Fernando; Olivares, M.; Papapietro Vallejo, Karin; Csendes Juhasz, Attila; Rojas, J.; Adjemian, D.; Calderón, E.; Ruz, M. (2012)
      Introduction: Bariatric surgery allows a significant reduction in weight and improvement of comorbidities associated with obesity in the long term, but it can also adversely affect the nutritional status of some micronutrients. ...
    • Briones, L.; Andrews, M.; Pizarro Aguirre, Fernando; Arredondo Olguín, Miguel (Springer Netherlands, 2018)
      © 2018, Springer Science+Business Media, LLC, part of Springer Nature. Obesity is characterized by a chronic inflammatory process, with an increased volume of total adipose tissue, especially visceral, which secretes ...
    • Valenzuela Lozano, Fernando; Pizarro Aguirre, Fernando; Basualto Flores, Carlos; Sapag Hagar, Jaime; Tapia Villanueva, Cristián (SOCIEDAD CHILENA DE QUIMICA, 2001-06)
      This communication describes the application of a hollow-fiber-type solid supported liquid membrane technique to the study of recovery and enrichment of molybdenum with Alamine 336 (a long chain tertiary amine) from acid ...
    • Carrasco, Fernando; Rojas Mondaca, Pamela; Ruz, Manuel; Rebolledo Acevedo, Annabella; Codoceo, Juana; Inostroza Escobar, Jorge; Mizón, Claudio; Papapietro Vallejo, Karin; Csendes Juhasz, Attila; Rojas Caro, Jorge; Pizarro Aguirre, Fernando; Ordóñez Pizarro, Fernando (2008)
      The effects of gastric bypass (GBP) on resting energy expenditure (REE) are not well known. Aim: To evaluate the changes in REE and its relationship with body composition in severe and morbid obese women before and six ...