Search results for "'alim"
showing 10 items of 23 documents
Análisis de residuos de contaminantes orgánicos en alimentos por técnicas cromatográficas.
2008
La contaminación de los alimentos por sustancias químicas es un problema de salud pública de gran preocupación a escala mundial. El motivo puede ser consecuencia de la contaminación ambiental que puede alcanzar a las cadenas alimentarias a través del aire, del agua y del suelo. Contribuye también el uso intencionado de diversos productos químicos, tales como pesticidas, fármacos o sustancias administradas a los animales, y de otros productos agroquímicos (abonos, etc). Algunos aditivos utilizados en alimentos así como la fabricación y el procesamiento de los mismos también pueden aportar contaminantes.Por tanto son muchos los contaminantes orgánicos que pueden estar presentes en alimentos, …
Análisis de aflatoxinas y ocratoxina A en alimentos y evaluación de la ingesta poblacional.
2008
Las micotoxinas son sustancias producidas por determinados hongos presentes en alimentos destinados para alimentación humana o animal, y por su carácter tóxico pueden dar lugar a las enfermedades denominadas micotoxicosis.De ellas son las aflatoxinas (AFs) y la ocratoxina A (OTA) las que mayor preocupación han generado en el Comité Científico de Alimentación Humana de la Unión Europea, debido a los riesgos que el consumo continuado de estas micotoxinas a través de los alimentos comporta para la salud humana, por su poder mutagénico y cancerígeno, que se ha visto demostrado en animales expuestos a alimentos contaminados por ellas. La presencia natural de AFs y OTA está asociada a diferentes …
L'antropologia dell'alimentazione. Cibi e pratiche culturali
2018
Una riflessione sulle tematiche legate alle scelte alimentari culturalmente orientate.
Effects of Polyphenol, Measured by a Biomarker of Total Polyphenols in Urine, on Cardiovascular Risk Factors After a Long-Term Follow-Up in the PREDI…
2016
Several epidemiological studies have shown an inverse association between the consumption of polyphenol-rich foods and risk of cardiovascular diseases. However, accuracy and reliability of these studies may be increased using urinary total polyphenol excretion (TPE) as a biomarker for total polyphenol intake. Our aim was to assess if antioxidant activity, measured by a Folin-Ciocalteu assay in urine, is correlated with an improvement in cardiovascular risk factors (blood pressure and serum glucose, cholesterol, HDL-cholesterol, LDL-cholesterol, and triglyceride concentrations) in an elderly population at high risk. A longitudinal study was performed with 573 participants (aged 67.3 ± 5.9) f…
Influence des pratiques d’allaitement et de diversification sur l’acceptation de flaveurs nouvelles chez le jeune enfant : variabilité intra- et inte…
2007
This thesis covers three separate but related studies. The first, a questionnaire survey of infant feeding practices in two nearby European regions (Dijon, France and Aalen, Germany) reports between- and withinregion differences in breastfeeding duration and variety of vegetables offered early in weaning. This survey identified the level and rate of vegetable variety and the specific foods to use in a second study. The 2nd study examined the effects of breast- or formula-feeding and different levels of vegetable variety (no, low or high) early in weaning on acceptance (intake and liking) of new foods. The foods were: (1) a first new vegetable offered immediately after the intervention; (2) …
Towards a more sustainable food Supply chain: opening up invisible waste in food service
2016
Future challenges to the global food supply chain are complex. In order to embrace sustainability, companies should change their management practices towards more efficient resource use. Food waste being a misuse of resources, we identify its causes and possible ways of minimising it. To achieve this goal, we conducted explorative research with qualitative and quantitative data through in-depth semi-structured interviews and an open questionnaire with top Spanish food service companies. Results show that most businesses mainly tend to minimise food waste according to economic criteria, without taking into account the social, ethical or environmental factors. As a consequence, just “visible”…
Polyphenol intake and mortality risk: a re-analysis of the PREDIMED trial
2014
[Background] Polyphenols may lower the risk of cardiovascular disease (CVD) and other chronic diseases due to their antioxidant and anti-inflammatory properties, as well as their beneficial effects on blood pressure, lipids and insulin resistance. However, no previous epidemiological studies have evaluated the relationship between the intake of total polyphenols intake and polyphenol subclasses with overall mortality. Our aim was to evaluate whether polyphenol intake is associated with all-cause mortality in subjects at high cardiovascular risk.
Alimentació a l'Eivissa púnica (segles V a II a.E.)
2015
L’objecte d’estudi d’aquesta tesi ha estat la recerca sobre els diferents patrons alimentaris tant en una geografia com una cronologia molt concreta: l’illa d’Eivissa durant els segles V al II, en el període denominat púnic clàssic i tardà. L’abundant informació arqueològica, així com les fonts clàssiques, han sigut essencials per discernir les diverses conductes nutricionals segons els diversos àmbits i períodes analitzats. Igualment, hem prestat especial atenció als estudis específics sobre la fauna, les analítiques de continguts de recipients ceràmics i els isòtops estables a ossos humans. No hem dubtat en recórrer a altres situacions paral·leles que podem trobar en altres jaciments púni…
Appunti per una biografia intellettuale dello sayh Gamal al-Din al-Qasimi 'alim riformatore damasceno (1866-1914).
2017
Muhammad Sa'id al-'Arfi (1896-1956). Mufti del Wadi al-Furat territorio di "confine".
2012
Scopo di questo contributo è concorrere a definire il ruolo di uomo di scienza musulmano o ‘ālim attivo in epoca contemporanea ed in un’area considerata periferica e/o marginale, nonché di confine, attraverso la ricostruzione dei dati biografici e cenni all’opera dello shaykh Muḥammad Sa‘īd al-‘Arfī, muftì della Valle dell’Eufrate e di Dayr al-Zūr. Quella di al- ‘Arfi, e non di al-‘Urfī come si potrebbe pensare, è figura poco conosciuta e la sua opera rimane poco esplorata nel quadro degli studi di storia politica, religiosa e giuridica, culturale nella stessa Siria. È significativo il mistero che avvolge la sorte di una sua “Storia di Dayr al-Zūr”, introvabile ma di cui i membri della fami…