Browsing Articles publicats (Tecnologia dels Aliments) by Title
Now showing items 433-452 of 590
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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, ... -
Occurrence of selected viral and bacterial pathogens and microbiological quality of fresh and frozen strawberries sold in Spain
(Elsevier, 2019-10-23)Strawberry production and exports have been increasing in Spain in recent decades. However, little information is available about their microbiological quality. Due to the growing concern about the microbial safety of these ... -
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 ... -
Pathogenic potential of the surviving Salmonella Enteritidis on strawberries after disinfection treatments based on ultraviolet-C light and peracetic acid
(Elsevier, 2022-01-10)Fresh fruits, especially strawberries, are usually consumed raw without any step to ensure their food safety. Salmonella enterica is one of the most important etiologic agents for foodborne diseases throughout the world ... -
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 ... -
Phenol metabolic fingerprint and selection of intake biomarkers after acute and sustained consumption of red-fleshed apple versus common apple in humans. The AppleCOR study
(Elsevier, 2022)The present study aimed to evaluate the metabolism and bioavailability of anthocyanins (ACN) and other phenolics from red-fleshed apple (RFA) and to define the intake biomarkers compared to common white-fleshed apple (WFA). ... -
Phenol-enriched olive oils modify paraoxonase-related variables: A randomized, crossover, controlled trial
(Wiley, 2017-05)Scope:Low paraoxonase (PON)1 activities, and high PON1 and low PON3 protein levels arecharacteristic of cardiovascular disease. Our aim was to assess short- and long-term effects ofvirgin olive oils (VOO), enriched with ... -
Phenol-Enriched Virgin Olive Oil Promotes Macrophage-Specific Reverse Cholesterol Transport In Vivo
(MDPI, 2020-08-03)The intake of olive oil (OO) enriched with phenolic compounds (PCs) promotes ex vivo HDL-mediated macrophage cholesterol efflux in humans. We aimed to determine the effects of PC-enriched virgin OO on reverse cholesterol ... -
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 ... -
Phenolic-Rich Extracts from Avocado Fruit Residues as Functional Food Ingredients with Antioxidant and Antiproliferative Properties
(MDPI, 2021)In this study, the total phenolic compounds content and profile, the nutritional value, the antioxidant and antiproliferative activities of avocado peel, seed coat, and seed extracts were characterized. Additionally, an ... -
Photo-degradation of alfalfa saponins by UV–visible multi-wavelength irradiation
(Elsevier, 2022)A photochemical treatment with UV multi-wavelength irradiation was applied to investigate the degradation of the saponins mixture obtained from alfalfa leaves. The photo-degradation was studied in an aqueous solution at a ...