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Nutrition: Organic

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Total 1151 results found since Jan 2013.

Trading off nutrition and education? A panel data analysis of the dissimilar welfare effects of Organic and Fairtrade standards
Publication date: August 2017 Source:Food Policy, Volume 71 Author(s): Eva-Marie Meemken, David J. Spielman, Matin Qaim Millions of smallholder farmers in developing countries participate in different types of sustainability standards. A growing body of literature has analyzed the welfare effects, with mixed results. Yet, there are important knowledge gaps. First, most existing studies have looked at the effects of one standard in one country. When comparing between studies it is unclear whether dissimilar outcomes are the result of different standards or different local conditions. Second, most studies have used cross-se...
Source: Food Policy - August 9, 2017 Category: Food Science Source Type: research

Point-of-care assay to detect foodborne pathogenic bacteria using a low-cost disposable medical infusion extension line as readout and MnO2 nanoflowers
In this study, a facile signal readout method was developed for point-of-care (POC) detection of foodborne pathogenic bacteria using disposable medical infusion extension lines. Herein, organic-inorganic hybrid nanoflowers loaded with sufficient MnO2 have been easily prepared. The MnO2 nanoflowers with pathogenic bacteria recognition function decomposed hydrogen peroxide (H2O2) into oxygen (O2), an amplified gas signal, which was measured by a disposable medical infusion extension line. The generation of O2 from H2O2 by the catalytic dissociation of MnO2 nanoflowers increased the pressure in a confined space. Dye was then ...
Source: Food Control - December 5, 2018 Category: Food Science Source Type: research

Consumer perceptions, preferences, and behavior regarding pasture-raised livestock products: A review
This article is the first to review scientific consumer studies on perceptions, preferences, behavior regarding and willingness to pay for pasture-raised products. Further research, especially research based on real market data, is recommended to explore the effect of specific environmental attributes, social and personal norms, informational content, and product types on consumer preferences and willingness to pay for pasture-raised products.
Source: Food Quality and Preference - January 11, 2020 Category: Food Science Source Type: research

Survey of the occurrence of Giardia duodenalis cysts and Cryptosporidium spp. oocysts in green leafy vegetables marketed in the city of Valencia (Spain)
Int J Food Microbiol. 2022 Jul 22;379:109847. doi: 10.1016/j.ijfoodmicro.2022.109847. Online ahead of print.ABSTRACTThe role of vegetables usually consumed without prior culinary treatment is known to contribute to the prevalence of foodborne diseases. Cysts and oocysts can contaminate food, which can then be the source of infection in humans. The aim of the study was to assess the occurrence of Giardia duodenalis and Cryptosporidium spp. (oo)cysts in green leafy vegetables marketed in the city of Valencia (Spain) combining parasitological methods, two real-time qPCRs and light microscopy. An experimental field study was c...
Source: International Journal of Food Microbiology - July 29, 2022 Category: Food Science Authors: Mar ía Trelis Sandra S áez-Durán Pablo Puchades Nicole Castro Ana Miquel M ónica Gozalbo M àrius Vicent Fuentes Source Type: research

Antioxidants in Italian Head Lettuce (Lactuca sativa var. capitata L.) Grown in Organic and Conventional Systems under Greenhouse Conditions
Abstract Lettuce belongs to the Asteraceae family and it is native of the Mediterranean region. In our research, the effect of cultivation practices (organic versus conventional) on antioxidants in Italian head lettuce (Lactuca sativa var. capitata L.) grown in greenhouse was investigated.Bioactive molecule levels, antioxidant properties and the cytotoxicity of polyphenolic extracts from the edible part of head lettuce in Caco‐2 cells were determined.FRAP values are 5.33 ± 0.35 and 6.35 ± 0.08 mmol/kg in organic products and 4.83 ± 0.16 and 1.80 ± 0.04 mmol/kg in conventional products. FRAP valu...
Source: Journal of Food Biochemistry - April 8, 2013 Category: Food Science Authors: Alessandra Durazzo, Elena Azzini, Maria Claudia Lazzé, Anna Raguzzini, Roberto Pizzala, Gianluca Maiani, Lara Palomba, Giuseppe Maiani Tags: Full Article Source Type: research

Biological properties and pharmacological potential of plant exudates
Publication date: March 2018 Source:Food Research International, Volume 105 Author(s): Irlla Correia Lima Licá, Alexandra Martins dos Santos Soares, Ludmilla Santos Silva de Mesquita, Sonia Malik Exudates released from plants, consist of complex mixtures of organic and inorganic molecules that have been used in traditional medicine from several years. They may vary among genera, species or within a genus and mainly include latex, sap, gums, resins, seed or root exudates. Plant exudates are known to possess several biological activities including, antimicrobial, anti-inflammatory, antioxidant, wound healing and anti-nocic...
Source: Food Research International - December 31, 2017 Category: Food Science Source Type: research

Post-harvest shelf-life of banana and guava: Mechanisms of common degradation problems and emerging counteracting strategies
Publication date: Available online 20 July 2018Source: Innovative Food Science & Emerging TechnologiesAuthor(s): Sanchita Biswas Murmu, Hari Niwas MishraAbstractBanana and guava have short shelf-life at tropical ambient temperature due to climacteric ripening associated changes like rapid softening, senescence spotting, off-odor development, anthracnose, and crown rot disease incidence, and chilling injury occurrence during storage below 13 °C. Commercially post-harvest treatment involved submerging banana and guava in solutions of benomyl or thiabendazole or imazalil. These chemicals are harmful to human health and the...
Source: Innovative Food Science and Emerging Technologies - July 21, 2018 Category: Food Science Source Type: research

Robust Markers of Coffee Consumption Identified Amongst the Volatile Organic Compounds in Human Urine
ConclusionThe human urinary volatilome is highly affected by the diet, enabling access to a high level of information about potential diet ‐related biomarkers. Therefore, it is a very promising source for further investigation about dietary markers.This article is protected by copyright. All rights reserved
Source: Molecular Nutrition and Food Research - February 27, 2019 Category: Food Science Authors: Carina I. Mack, Bj örn Egert, Erica Liberto, Christoph H. Weinert, Achim Bub, Ingrid Hoffmann, Carlo Bicchi, Sabine E. Kulling, Chiara Cordero Tags: Research Article Source Type: research

Robust Markers of Coffee Consumption Identified Among the Volatile Organic Compounds in Human Urine
ConclusionThe human urinary volatilome is highly affected by the diet, enabling access to a high level of information about potential diet ‐related biomarkers. Therefore, it is a very promising source for further investigations on dietary markers.
Source: Molecular Nutrition and Food Research - March 12, 2019 Category: Food Science Authors: Carina I. Mack, Bj örn Egert, Erica Liberto, Christoph H. Weinert, Achim Bub, Ingrid Hoffmann, Carlo Bicchi, Sabine E. Kulling, Chiara Cordero Tags: Research Article Source Type: research

Bioavailability and Biological Effects of Bioactive Compounds Extracted with Natural Deep Eutectic Solvents and Ionic Liquids: Advantages Over Conventional Organic Solvents
Publication date: Available online 15 March 2019Source: Current Opinion in Food ScienceAuthor(s): Daniella C Murador, Leonardo M de Souza Mesquita, Nicholas Vannuchi, Anna Rafaela C Braga, Veridiana V de RossoThe search for alternative methods for the extraction of bioactive compounds that are environmentally friendly and safe for human health is emerging. Natural deep eutectic solvents (NADES) and ionic liquids have been shown to be more efficient than the conventional organic solvents, leading to higher yields of bioactive compounds. However, more important than increasing yields, it is fundamental that the generated ext...
Source: Current Opinion in Food Science - March 16, 2019 Category: Food Science Source Type: research

Natural products with preservative properties for enhancing the microbiological safety and extending the shelf-life of seafood: a review
Publication date: Available online 31 October 2019Source: Food Research InternationalAuthor(s): Rafaela C. Baptista, Claudia N. Horita, Anderson S. Sant'AnaAbstractSeafood is highly perishable, presenting a rapid loss of its quality soon after capture. Temperature is the critical parameter that impacts on seafood shelf-life reduction, allowing the growth of foodborne pathogens and spoilage microorganisms. In recent years, the search by additional methods of preserving seafood has increased, able to ensure quality and safety. Several natural preservatives have highlighted and gained considerable attention from the scientifi...
Source: Food Research International - November 8, 2019 Category: Food Science Source Type: research

Evaluation of a sanitizing washing step with different chemical disinfectants for the strawberry processing industry.
Abstract Strawberries are often consumed fresh or only receive minimal processing, inducing a significant health risk to the consumer if contamination occurs anywhere from farm to fork. Outbreaks of foodborne illness associated with strawberries often involve a broad range of microbiological agents, from viruses (human norovirus) to bacteria (Salmonella spp. and Listeria monocytogenes). The addition of sanitizers to water washes is one of the most commonly studied strategies to remove or inactivate pathogens on berries as well as avoid cross contamination due to reuse of process wash water. The risk posed with the...
Source: International Journal of Food Microbiology - August 7, 2020 Category: Food Science Authors: Ortiz-Solà J, Abadias M, Colás-Medà P, Sánchez G, Bobo G, Viñas I Tags: Int J Food Microbiol Source Type: research