Browsing Articles publicats (Tecnologia dels Aliments) by Title
Now showing items 297-316 of 405
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Occurrence of Alternaria mycotoxins and quantification of viable Alternaria spp. during the food processing of tomato products in Spain
(Wageningen Academic Publishers, 2018-05-15)The occurrence of two Alternaria mycotoxins, alternariol (AOH) and alternariol monomethyl ether (AME) and the presence of conidia from Alternaria spp., were investigated throughout the food production chain of two businesses, ... -
Ochratoxigenic moulds and effectiveness of grape field antifungals in a climatic change scenario
(Wiley, 2012)BACKGROUND: The presence of ochratoxin A (OTA) in grapes and grape derivatives has been reported mainly in the Mediterranean area. Consequently, great efforts are being made to prevent the growth of Aspergillus on grapes. ... -
Ochratoxin A and its metabolite ochratoxin alpha in urine and assessment of the exposure of inhabitants of Lleida, Spain
(Elsevier, 2011)Ochratoxin A (OTA) as well as its metabolite ochratoxin α (OTα) were detected in human urine in order to assess the exposure to OTA of a group of 72 adult inhabitants of the city of Lleida (Spain). Urine samples were ... -
Ochratoxin A in adult population of Lleida, Spain: presence in blood plasma and consumption in different regions and seasons
(Elsevier, 2011)Ochratoxin A (OTA) levels in blood plasma, as well as the consumption of possibly contaminated foodstuffs by adult inhabitants, were determined in three seasons in the plain and the mountain regions of the province of ... -
Ochratoxin A in Spanish retail ground roasted coffee: Occurrence and assessment of the exposure in Catalonia
(Elsevier, 2011)Occurrence of ochratoxin A (OTA) in ground roasted coffee from different brands and types available in Spain was assessed. Based on these data, exposure of the Catalan population to OTA through coffee consumption was ... -
Optimising the number of isolates to be used to estimate growth parameters of mycotoxigenic species
(Elsevier, 2012)The aim of the present work was to mathematically assess the minimum number of isolates that would lead to equivalent growth parameters estimates to those obtained with a high number of strains. The datasets from two ... -
Optimization and validation of analytical methods for the simultaneous determination of antioxidants: Application to the analysis of tomato sauces.
(Elsevier, 2014)In the present study, simultaneous extraction of natural antioxidants (phenols and carotenoids) in complex matrices, such as tomato sauces, is presented. The tomato sauce antioxidant compounds studied were the phenolics ... -
Optimization and validation of PEF processing conditions to inactivate oxidative enzymes of grape juice
(Elsevier, 2007-12)White grape juice was processed using high intensity pulsed electric fields (PEF). The effect of this preservative technology on polyphenoloxidase (PPO) and peroxidase (POD) as well as on refractometric index, sugar content, ... -
Optimization of Mailard reaction products isolated from sugar-amino acid model system and their antioxydant activity
(Asociación de Químicos e Ingenieros del Instituto Químico de Sarriá, 2013)Se evaluaron las propiedades funcionales de melanoidinas solubles de sistemas modelo a partir de una combinación simple de monosacáridos (fructosa o glucosa) y aminoácidos. Los aminoácidos seleccionados se encuentran ... -
Optimization of packaging and storage conditions of a freeze-dried Pantoea agglomerans formulations for controlling postharvest diseases in fruit
(Society for Applied Microbiology, 2014)AIMS: This study aimed to evaluate different packaging strategies to extend the shelf life of a freeze-dried formulation of the biocontrol agent Pantoea agglomerans strain CPA-2. METHODS AND RESULTS: Different materials ... -
Optimizing the enzymatic elimination of clogging of a microfiltration membrane by Parellada grape cake
(Wiley, 2016)Clogging of the filtration membranes is one of the main problems in the process of obtaining grape must for white wine; therefore, clogging must be reduced to the maximum. The aim of this work was to find the optimal values ... -
Perspectivas del empleo del control biológico en post-cosecha de fruta
(Eumedia, 2002)Actualmente se estudian diversos métodos alternativos a los procedimientos habituales de control de plagas y enfermedades de la fruta en post-cosecha, algunos de los cuales se utilizan ya a nivel comercial, como el empleo ... -
Phenolic acids, flavonoids, vitamin C and antioxidant capacity of strawberry juices processed by high-intensity pulsed electric fields or heat treatments
(Springer-Verlag, 2008-12)The effect of high-intensity pulsed electric fields (HIPEF) processing (35 kV/cm for 1,700 mu s in bipolar 4-mu s pulses at 100 Hz) on individual phenolic compounds (phenolic acids and flavonoids), vitamin C and antioxidant ... -
Physical and Structural Changes in Liquid Whole Egg Treated with High-Intensity Pulsed Electric Fields
(Wiley online library, 2011)Abstract: Liquid whole egg (LWE) is currently pasteurized through the application of heat; however, this treatment entails deleterious effects against some of the functional and technological properties of the product. ... -
Physicochemical and antimicrobial characterization of beeswax–starch food-grade nanoemulsions incorporating natural antimicrobials
(MDPI, 2017-12)Nanoemulsions are feasible delivery systems of lipophilic compounds, showing potential as edible coatings with enhanced functional properties. The aim of this work was to study the effect of emulsifier type (stearic acid ... -
Physicochemical and rheological properties of gum seed and pulp from Hymenaea courbaril L.
(Taylor & Francis, 2018-11-22)The aim of this work was to isolate pulp (PH) and seed hydrocolloids (SH) of the fruit of Hymenaea corbaril L. and determinate chemical, functional and rheological properties, as a proposal of a new attractive product ... -
Physicochemical measurements in ‘Mondial Gala®’ apples stored at different atmospheres: Influence on consumer acceptability
(Elsevier, 2008)Standard quality parameters, consumer acceptability, emission of volatile compounds and ethylene production of ‘Mondial Gala®’ apples (Malus × domestica Borkh.) were determined in relation to storage atmosphere, storage ... -
Physiochemical and nutritional characteristics, bioaccessibility and sensory acceptance of baked crackers containing broccoli co‐products
(Wiley, 2018)The effects of the inclusion of broccoli co‐products into crackers on the bioaccessibility as well as their overall physical and nutritional quality were evaluated. Crackers were formulated using a 12.5 or 15.0% flour ... -
Plant-derived phenolics inhibit the accrual of structurally characterised protein and lipid oxidative modifications
(Public Library of Science, 2012)Epidemiological data suggest that plant-derived phenolics beneficial effects include an inhibition of LDL oxidation. After applying a screening method based on 2,4-dinitrophenyl hydrazine- protein carbonyl reaction to 21 ... -
Polyphenol composition, antioxidant capacity, and antimicrobial activity of the extracts obtained from industrial sour cherry pomace
(Elsevier B.V., 2013)Polyphenol extracts from industrial sour cherry pomaces were characterized on polyphenol composition, antioxidant capacity and antimicrobial activity. Extracts of pomace were purified and freeze-dried. Preparations were ...