Relevant bibliographies by topics / Vitamine hydrosoluble

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  2. Dissertations / Theses
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Academic literature on the topic 'Vitamine hydrosoluble'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Vitamine hydrosoluble"

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Wang, Xing, Shu-Jie Wang, Yang Nan, and Guo-Qin Liu. "The effects of oil type and crystallization temperature on the physical properties of vitamin C-loaded oleogels prepared by an emulsion-templated approach." Food & Function 11, no. 9 (2020): 8028–37. http://dx.doi.org/10.1039/c9fo02479d.

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Guilland, J. C. "Vitamines hydrosolubles (I). Thiamine, riboflavine, niacine, acide pantothénique, vitamine B6 et biotine." EMC - Endocrinologie - Nutrition 9, no. 4 (October 2012): 1–27. http://dx.doi.org/10.1016/s1155-1941(12)49503-8.

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Pavlović, Dragan M., Merdin Š. Markišić, and Aleksandra M. Pavlović. "Vitamin C In Neuropsychiatry." Serbian Journal of Experimental and Clinical Research 16, no. 2 (June 1, 2015): 157–61. http://dx.doi.org/10.1515/sjecr-2015-0021.

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Abstract Vitamins are necessary factors in human development and normal brain function. Vitamin C is a hydrosoluble compound that humans cannot produce; therefore, we are completely dependent on food intake for vitamin C. Ascorbic acid is an important antioxidative agent and is present in high concentrations in neurons and is also crucial for collagen synthesis throughout the body. Ascorbic acid has a role in modulating many essential neurotransmitters, enables neurogenesis in adult brain and protects cells against infection. While SVCT1 enables the absorption of vitamin C in the intestine, SVCT2 is primarily located in the brain. Ascorbate deficiency is classically expressed as scurvy, which is lethal if not treated. However, subclinical deficiencies are probably much more frequent. Potential fields of vitamin C therapy are in neurodegenerative, cerebrovascular and affective diseases, cancer, brain trauma and others. For example, there is some data on its positive effects in Alzheimer’s disease. Various dosing regimes are used, but ascorbate is safe, even in high doses for protracted periods. Better designed studies are needed to elucidate all of the potential therapeutic roles of vitamin C.
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Guilland, J. C. "Vitamines hydrosolubles (II). Vitamines B9, B12 et C." EMC - Endocrinologie - Nutrition 10, no. 1 (January 2013): 1–18. http://dx.doi.org/10.1016/s1155-1941(12)60308-4.

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FRIAS, JUANA, MARIN PRODANOV, ISABEL SIERRA, and CONCEPCION VIDAL-VALVERDE. "Effect of Light on Carbohydrates and Hydrosoluble Vitamins of Lentils during Soaking." Journal of Food Protection 58, no. 6 (June 1, 1995): 692–95. http://dx.doi.org/10.4315/0362-028x-58.6.692.

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Lentils have been soaked with and without light to investigate the effect of the light on carbohydrates and soluble vitamins during the soaking process. Soaking significantly decreased the α-galactoside content of lentils (3.2% to 1.2% or 1.0%). Glucose (not present in raw seeds) and fructose increased with soaking with light. Raffinose was completely eliminated in presence of light but was still present after soaking in the dark (0.15%). The overall results confirm previous findings, but the soaking process cannot be explained simply as a result of sugars leaching into the soaking media. On the contrary, some metabolic processes must be inferred, and light plays a certain role in the process. The NDF, ADF, cellulose, hemicellulose, and lignin contents were not significantly modified by soaking with or without light. Total and digestible starch significantly increased after soaking (52% to 58% and 45% to 52%, respectively), but an influence of light was not detected. The ratio of digestible starch to total starch improved during soaking, an indication that digestibility could be enhanced after this process. No effect of light during the soaking process has been observed on the vitamin content of processed lentils. Thiamin and niacin decreased significantly with soaking as a result of leaching into the water, but riboflavin increased significantly. Again, this result may imply the onset of metabolic processes during soaking, although no light effect has been observed.
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Sancho, Félix, Yann Lambert, Gérard Demazeau, Alain Largeteau, Jean-Marie Bouvier, and Jean-François Narbonne. "Effect of ultra-high hydrostatic pressure on hydrosoluble vitamins." Journal of Food Engineering 39, no. 3 (February 1999): 247–53. http://dx.doi.org/10.1016/s0260-8774(98)00143-5.

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Diaz Marquina, A., M. T. Orzaez Villanueva, and M. C. Matallana Gonzalez. "Variations of hydrosoluble vitamin contents in dairy products during storage." Le Lait 71, no. 4 (1991): 519–21. http://dx.doi.org/10.1051/lait:1991440.

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Bonnefond-Ortega, Mariette, Joelle Goudable, Cécile Chambrier, and Cécile Bétry. "L’absorption intestinale des vitamines hydrosolubles et liposolubles en pratique clinique." Nutrition Clinique et Métabolisme 32, no. 1 (February 2018): 57–66. http://dx.doi.org/10.1016/j.nupar.2017.09.004.

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Tremblay, Richard, Alain Bonnardeaux, David Geadah, Lambert Busque, Michel Lebrun, Denis Ouimet, and Martine Leblanc. "Hyperhomocysteinemia in hemodialysis patients: Effects of 12-month supplementation with hydrosoluble vitamins." Kidney International 58, no. 2 (August 2000): 851–58. http://dx.doi.org/10.1046/j.1523-1755.2000.00234.x.

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Canadananovic, Vladimir, Slobodanka Latinovic, Sava Barisic, Nikola Babic, and Sandra Jovanovic. "Age-related changes of vitamin C levels in aqueous humour." Vojnosanitetski pregled 72, no. 9 (2015): 823–26. http://dx.doi.org/10.2298/vsp131212063c.

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Background/Aim. Age-related cataract is a common disease among senior population. Vitamin C is the most effective reducing hydrosoluble antioxidant causing reduction in the levels of free radicals in crystaline lens. The aim of this study was to evaluate the age-related change of vitamin C (L-ascorbic acid) level in the aqueous humor of patients with senile cataract. Methods. This prospective study included 74 patients, divided into 3 age groups, with age-related cataract, underwent routine phaco cataract surgery with intraocular lens implantation. Aqueous humor was aspirated from 74 eyes at the beginning of phacoemulsification. The levels of vitamin C (L-ascorbic acid) in aqueous humor were determined with high-performance liquid chromatography (HPLC). Results. The average age of patients included in the study was 65 ? 9.85 years (54-87 years). The level of vitamin C in aqueous humor was 152.78 ? 7.0125 ?g/mL in the group A (50-59 years), 134.15 ? 5.1569 ?g/mL in the group B (60-69 years) and 106.51 ? 5.44 ?g/mL in the group C (over 70 years). Conclusion. The amount of vitamin C in aqueous humor of patients with age-related cataract is decreasing with age. There was a statistically significant change (p < 0.001) of vitamin C aqueous concentration in the patients of different age. This decrease could play a role in susceptibility to cataract formation in older population.
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Dissertations / Theses on the topic "Vitamine hydrosoluble"

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DIOP, PAPA AMADOU. "Mise au point de methodes de dosage des vitamines hydrosolubles dans les aliments par chromatographie en phase liquide haute performance : application a la determination de la composition vitaminique des aliments consommes en afrique de l'ouest." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR15007.

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Descrition de l'ensemble des demarches analytiques qui ont abouti a la mise au point de methodes de dosage originales des vitamines hydrosolubles (vitamine c, b1, b2, b3, et b6) dans les aliments par chromatographie en phase liquide haute performance. Ces methodes dont la specificite permet d'eviter les problemes d'interferences poses par les methodes classiques de dosage, possedent par ailleurs une sensibilite suffisante pour doser les quantites souvent tres faibles de ces vitamines dans les aliments. Ces methodes ont ete appliquees a la determination de la composition en vitamines hydrosolubles des principaux aliments (cereales, tubercules, legumineuses et fruits) consommes par les populations de l'afrique de l'ouest. La connaissance de cette composition permet une meilleure estimation de la contribution de ces aliments a la couverture des besoins vitaminiques quotidiens de ces populations
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Yessaad, Mouloud. "Développement d’outils prédictifs de la teneur en composés sensibles à l’oxydation au cours de la conservation dans les matrices nutritionnelles." Thesis, Université Clermont Auvergne‎ (2017-2020), 2018. http://www.theses.fr/2018CLFAC080.

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Lors de leur conservation, les principes actifs (médicaments, nutriments) peuvent être sujets à une dégradation susceptible de modifier leurs propriétés initiales et les rendre non disponibles. Aussi, les industriels et les pharmaciens hospitaliers réalisant des préparations pharmaceutiques et/ou des compléments alimentaires ont-ils la nécessité de réaliser des études de stabilité. Ces études sont longues et coûteuses car elles doivent tenir compte de tous les paramètres environnementaux susceptibles d’influencer la stabilité du principe actif, de la matrice et du conditionnement. L’objectif de cette thèse consiste à développer un outil qui permet d’estimer les taux de dégradation des vitamines et de se projeter sur la durée de vie de principes actifs nutritionnels en se basant sur l’utilisation des modèles de calcul intégrant à la fois les caractéristiques des produits, matrice et des conditions de conservation. Le projet s’est déroulé en plusieurs phases en ciblant les vitamines hydrosolubles. Tout d’abord, un développement et validation d’une méthode de dosage chromatographique qui permet de quantifier toutes les vitamines en une seule analyse sans interférence avec les éventuels produits de dégradation. Une étude de l’influence des paramètres les plus importants a été réalisée via un plan d’expériences. Les cinétiques de dégradation ont été étudiées et modélisées en plusieurs approches. A partir du modèle le plus adapté, un premier niveau de simulation a été conçu permettant de déterminer les facteurs d’influence pertinents dans la dégradation des vitamines au regard des données exploitables. Le livrable, le calculateur, devrait ainsi permettre de guider les utilisateurs industriels et hospitaliers dans le choix des conditions d’étude de vieillissement accéléré
When stored, the active ingredients (drugs, nutrients) may be subject to degradation that may change their original properties and make them unavailable. In addition, manufacturers and hospital pharmacists carrying out pharmaceutical preparations and / or dietary supplements have the need to carry out stability studies. These studies are long and costly because they must consider all the environmental parameters likely to influence the stability of the active principle, the matrix and the packaging. The aim of this thesis is to develop a tool that allows to estimate the degradation rates of vitamins and to project on the life span of nutritional active principles based on the use of computational models integrating at the same time product characteristics, matrix and storage conditions. The project took place in several phases targeting the water-soluble vitamins. First, a development and validation of a chromatographic assay method that quantifies all vitamins in a single analysis without interference with any degradation products. A study of the influence of the most important parameters was carried out with a design of experiments. The kinetics of degradation have been studied and modeled in several approaches. From the most appropriate model, a first simulation level was designed to determine the relevant influencing factors in the degradation of vitamins in terms of exploitable data. The deliverable, the calculator, should thus help guide industrial and hospital users in the choice of accelerated aging study conditions
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Books on the topic "Vitamine hydrosoluble"

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Ball, G. F. M. Water Soluble Vitamin Assays In Human Nutrition (Europe Ed). Springer, 1995.

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Book chapters on the topic "Vitamine hydrosoluble"

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Chawla, Jasvinder, and David Kvarnberg. "Hydrosoluble vitamins." In Neurologic Aspects of Systemic Disease Part II, 891–914. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-7020-4087-0.00059-0.

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Journal articles
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