Dietary Supplements
Mostrando 1-12 de 96 artigos, teses e dissertações.
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1. LIVER INJURY INDUCED BY HERBAL AND DIETARY SUPPLEMENTS: A POOLED ANALYSIS OF CASE REPORTS
RESUMO Contexto: O consumo de ervas medicinais e suplementos alimentares é muito popular no mundo. Contudo, esses produtos não são inócuos e sua ingestão pode causar danos à saúde, especialmente dano hepático. Objetivo: Descrever os casos clínicos de lesão hepática induzida por ervas e suplementos alimentares, identificando os principais produto
Arquivos de Gastroenterologia. Publicado em: 2022
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2. USO DE UM SCANNER DE MESA E ESPUMA DE POLIURETANO PARA QUANTIFICAÇÃO DE FERRO TOTAL EM CÁPSULAS DE SUPLEMENTOS ALIMENTARES
In this work, an alternative and low-cost technique for the extraction and quantification of Fe (total) from food supplements by digital image analysis is shown. The method is based on the complexation of Fe ions in solution with the 8-hydroxyquinoline ligand, forming a colored complex that is extractable from aqueous solution to polyurethane foam, coloring
Quím. Nova. Publicado em: 2021-01
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3. Nutritional and functional evaluation of three powder mixtures based on mexican quelites: alternative ingredients to formulate food supplements
Abstract The aim of this work was to evaluate the nutrients and antioxidant compounds of three mixtures based on leaves of Portulaca oleracea L. (P), Amaranthus hybridus L. (A) and Chenopodium berlandieri L. (C). A mixtures design was made of which 10 combinations were obtained and three of the best mixtures were selected to analysis: OP1 (P+C), OP2 (P+A) an
Food Sci. Technol. Publicado em: 2020-12
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4. Regulatory framework for dietary supplements and the public health challenge
RESUMO OBJETIVO O novo marco regulatório para os suplementos alimentares no Brasil instigou a presente análise do panorama atual desses produtos e os desafios impostos pelas novas diretrizes. MÉTODOS Foi realizado um estudo qualitativo, observacional e descritivo dos suplementos alimentares comercializados em lojas virtuais brasileiras, com o auxílio d
Rev. Saúde Pública. Publicado em: 21/10/2019
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5. Bacaba powder produced in spouted bed: an alternative source of bioactive compounds and energy food product
Resumo Este estudo avaliou o pó de bacaba produzido em leito de jorro como fonte de compostos bioativos e de alto valor energético. As condições que influenciaram os parâmetros do processo de secagem (desempenho, teor de umidade, retenção fenólica e de antocianina), bem como a otimização simultânea (condições ótimas) de produção foram conside
Braz. J. Food Technol.. Publicado em: 15/08/2019
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6. Nutritional Status, Lifestyle and Lipid Profile in Vegetarians
Abstract Background: Vegetarian diets have been linked to reduced risk of chronic noncommunicable diseases, since they positively modulate biochemical parameters, particularly those related with glycemic control and lipemia, and considered as potential strategy for weight control. Objective: To compare the nutritional status, lifestyle and lipid profile of
Int. J. Cardiovasc. Sci.. Publicado em: 08/08/2019
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7. Combination of Multi-Energy Calibration (MEC) and Laser-Induced Breakdown Spectroscopy (LIBS) for Dietary Supplements Analysis and Determination of Ca, Mg and K
This study describes the application of laser-induced breakdown spectroscopy (LIBS) for the direct determination of Ca, K and Mg in powdered dietary supplements. Multi-energy calibration (MEC) method was applied to obtain a calibration curve. With MEC, it was possible to observe spectral interferences and select adequate emission lines from LIBS. For Ca and
J. Braz. Chem. Soc.. Publicado em: 2019-04
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8. Lipid oxidation in meat: mechanisms and protective factors – a review
Abstract Lipid oxidation in meats is a process whereby polyunsaturated fatty acid react with reactive oxygen species leading to a series of secondary reactions which in turn lead to degradation of lipids and development of oxidative rancidity. This process is one of the major factors responsible for the gradual reduction of sensory and nutritional quality o
Food Sci. Technol. Publicado em: 20/12/2018
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9. Vitamin D levels in actinic keratosis: a preliminary study
Abstract: Background: Recent studies that investigated the effect of vitamin D on skin cancer risk have exhibited inconsistent results. Objective: The aim of the study was to evaluate vitamin D status in patients with actinic keratosis. Methods: A cross-sectional study was conducted on 31 patients with actinic keratosis and 29 healthy controls. Serum vita
An. Bras. Dermatol.. Publicado em: 2018-08
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10. Physicochemical quality profiles of commercial oral tablets and capsules containing lutein – impact of insufficient specific sanitary regulations
Abstract Dietary supplements in many countries such as the USA do not require registration prior to commercialization. The Agência Nacional de Vigilância Sanitária (ANVISA) registers substances with functional properties as foods. Lutein is a carotenoid with antioxidant activity available on the market. However, no regulatory mandates exist to govern the
An. Acad. Bras. Ciênc.. Publicado em: 19/07/2018
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11. Effects of two sources of Mexican oregano oil on performance, blood profile, carcass variables, and meat of broilers
ABSTRACT The current study was conducted to investigate the effects of Mexican oregano essential oil (MOO) extracts from Lippia berlandieri Schauer (LBS) and Poliomintha longiflora Gray (PLG) on performance, blood profiles, carcass variables, and meat composition of broilers at slaugther. A total of 360 one-day-old Ross broilers were randomly distributed int
R. Bras. Zootec.. Publicado em: 16/07/2018
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12. New approaches, development, and improvement of methodologies for the assessment of B-vitamin requirements in dairy cows
ABSTRACT Studies on B-vitamin requirements of cattle, conducted more than 60 years ago, concluded that mature ruminants do not require B-vitamin supplements because the amounts of vitamins provided by the diet and synthesized by the ruminal microflora were sufficient to prevent emergence of deficiency symptoms. As a result, the impact of subclinical deficien
R. Bras. Zootec.. Publicado em: 2017-07