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Food reactions

W Marty Blom, Anouska D Michelsen-Huisman, Harmieke van Os-Medendorp, Gert van Duijn, Mary-Lène de Zeeuw-Brouwer, Astrid Versluis, Jacqueline J M Castenmiller, Hubert P J M Noteborn, Astrid G Kruizinga, André C Knulst, Geert F Houben
BACKGROUND: Accidental allergic reactions to food are frequent, can be severe and even fatal. OBJECTIVE: To analyze the culprit food products and levels of unexpected allergens in accidental reactions. METHODS: A prospective cohort study was conducted in adults (n=157) with a physician-confirmed diagnosed food allergy. During a 1-year follow up, 73 patients reported accidental allergic reactions and the culprit food products. Food samples received (51) were analyzed for a wide range of suspected non-ingredient allergens and the risk was quantified...
June 14, 2018: Journal of Allergy and Clinical Immunology
Francisco Muñoz-Leiva, Diego Gómez-Carmona
The objective of the current paper is to verify to what extent the presentation of a restaurant dish and the origin of its food provoke reactions in the consumer's brain during the visualization and the decision-making process, from an exploratory approach. The two independent variables singled out for study were whether the presentation was well or poorly presented and if the ingredients were ecological or non-ecological. The results applying the functional magnetic resonance image (fMRI) methodology reveal that well-presented dishes activate areas in the brain linked to the network of emotions indicating that the visualization in restaurant menus is not a purely cognitive and self-reflexive process but retains a strong affective component...
June 14, 2018: Physiology & Behavior
Xuedong Wang, Mei Wang, Xuran Wang, Liyang Du, Fangyu Chu, Weinan Ding, Haidong Gu, Huili Wang
A microextraction method was developed based on utilization of a novel ionic liquid (IL) [C4 MIM][NCA] as disperser and conventional ILs as extractor (IL-IL-DLLME). This method was integrated with an in-situ metathesis reaction to achieve high extraction efficiency by eliminating the loss of analytes in the discarded disperser after microextraction. Ultrasonic energy was compared to traditional mechanical shaking to accelerate the in-situ metathesis reaction. A 3-min ultrasonic treatment provided similar extraction efficiency as a 120-min mechanical shaking...
October 2018: Ultrasonics Sonochemistry
Benjamin Roenneke, Natalie Rosenfeldt, Sami M Derya, Jens F Novak, Kay Marin, Reinhard Krämer, Gerd M Seibold
BACKGROUND: α-D-Glucosylglycerol (αGG) has beneficial functions as a moisturizing agent in cosmetics and potential as a health food material, and therapeutic agent. αGG serves as compatible solute in various halotolerant cyanobacteria such as Synechocystis sp. PCC 6803, which synthesizes αGG in a two-step reaction: The enzymatic condensation of ADP-glucose and glycerol 3-phosphate by GG-phosphate synthase (GGPS) is followed by the dephosphorylation of the intermediate by the GG-phosphate phosphatase (GGPP)...
June 16, 2018: Microbial Cell Factories
Ioana Adriana Muntean, Ioana Corina Bocsan, Diana Deleanu
Wheat is the most commonly grown cereal. Immunological reaction to wheat may be IgE or T-cell- mediated. Asthma could be induced by inhaled flour or by exposure to allergens present in bakery products. In patients with IgE-mediated allergy to wheat proteins there is no specific therapy, except oral immunotherapy (OIT). There are few data regarding OIT with wheat protein in allergic patients. We present a case of a 32-yearold female patient, who worked for 5 years in wheat and bakery products industry, who developed an occupational asthma and chronic urticaria after flour inhalation or ingestion of foods that containit...
June 2018: Iranian Journal of Allergy, Asthma, and Immunology
Tatsuhiko Nagao, Yoshihito Arai, Mika Yamaoka, Fumika Komatsu, Hisashi Yagi, Hirokazu Suzuki, Takashi Ohshiro
Fucoidan is a hetero-sulfated polysaccharide found in brown algae and has received much attention as an ingredient in functional and health foods. The marine bacterial strain Luteolibacter algae H18 degrades fucoidan from Cladosiphon okamuranus. We purified the fucoidanase from a cell-free extract of L. algae H18, used it to decrease the molecular weight of deacetylated-fucoidan, determined the N-terminal amino acid sequence of the enzyme, and identified the gene involved in the degradation of fucoidan, fct114, in a draft genome sequence of strain H18...
June 12, 2018: Journal of Bioscience and Bioengineering
Xue Li, Heng Liu, Li Zhao, Junling Liu, Li Cai, Letian Zhang, Lei Liu, Weiguo Zhang
OBJECTIVES: To evaluate the correlation between preparative solid food status and the incidence of nausea, vomiting and aspiration symptoms in contrast-enhanced computed tomography (CT) examination, and to provide direction for standardizing the preparative dietary policies. METHODS: Patients who underwent routine enhanced CT examination at our hospital between June 2015 and June 2017 (110,836 cases) were enrolled and allocated into solid food fasting group (51,807 cases) and solid food non-fasting group (59,029 cases)...
June 15, 2018: British Journal of Radiology
Norihide Murayama, Kikuno Murayama
Food-dependent exercise-induced anaphylaxis (FDEIAn) is an anaphylactic reaction induced by physical exercise after ingestion of certain meals. FDEIAn is not very frequent, but recent case reports associated with various meals indicate an upward trend. Here, we report the data of various food specific IgEs and the clinical course of an experience with a patient who exhibited a unique FDEIAn reaction. Various food specific IgEs including staple food were positive with high levels. We could not find out the cause food of FDEIAn...
June 2018: Data in Brief
Saleem A Banihani, Rawan A Elmadhoun, Omar F Khabour, Karem H Alzoubi
Atopic dermatitis is a chronic inflammatory skin disease that arises because of complex environmental, immunological, and genetic interactions. Adipokines are bioactive mediators secreted from adipocytes of white adipose tissue and are known to have a role in body metabolism and regulation of immune responses. Leptin is a proinflammatory adipokine that functions mainly to regulate food intake and energy expenditure. Few studies have implicated adipokines in the pathogenesis of atopic dermatitis. In this study, we investigated the association of three leptin gene polymorphisms: -2548G>A (rs7799039), -188 C/A (rs791620), and A19G (rs2167270), with the incidence of atopic dermatitis...
2018: Dermato-endocrinology
Anne L Ersig, Janet K Williams
INTRODUCTION: Constant vigilance to manage severe food allergies (FAs) can lead to high stress. Additional stress may develop during life-course transitions, such as the transition to college. However, few studies have evaluated everyday and FA-related stress in college students with FA and their parents. This analysis examined experiences of 26 college students with FA and their parents. METHODS: Students and parents completed online surveys in a mixed-methods exploratory study of everyday and FA-related stressors, potential contributing factors, and FA management...
June 12, 2018: Journal of Pediatric Health Care
Hua Yin
OBJECTIVE: To establish a high performance liquid chromatographytandem mass spectrometry( HPLC-MS/MS) method for simultaneous determination of caffeine, benzoic acid, sorbic acid, acesulfame potassium, saccharin sodium and sodium cyclamate in drink. METHODS: The sample was extracted by ASPEC using extraction column( Pro Elut C_(18)500 mg/6 m L), dried by Turbo VapⅡ and dissolved in mobile phase. The supernatant was separated on Agilent SB-C_(18) column( 2. 1 mm × 50 mm, 1...
November 2017: Wei Sheng Yan Jiu, Journal of Hygiene Research
Lucia Recinella, Annalisa Chiavaroli, Claudio Ferrante, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Marilisa Pia Dimmito, Szabolcs Dvorácskó, Csaba Tömböly, Luigi Brunetti, Giustino Orlando, Sheila Leone
BACKGROUND: The endocannabinoid (eCB) system is strongly involved in the regulation of anxiety and feeding behavior. RVD-hemopressin(α) [RVD-hp(α)], a N-terminally extended form of hemopressin, is a negative allosteric modulator of the cannabinoid (CB) 1 receptor and a positive allosteric modulator of CB2 receptor which has been recently reported to exert anxiolytic/antidepressant and anorexigenic effects after peripheral administration in rats. Pharmacological evidences reported a possible link between brain hypocretin/orexin, monoamine and eCB systems, as regards appetite and emotional behavior control...
February 2, 2018: Pharmacological Reports: PR
Qianru Yang, Kelly J Domesle, Beilei Ge
Loop-mediated isothermal amplification (LAMP) has become a powerful alternative to polymerase chain reaction (PCR) for pathogen detection in clinical specimens and food matrices. Nontyphoidal Salmonella is a zoonotic pathogen of significant food and feed safety concern worldwide. The first study employing LAMP for the rapid detection of Salmonella was reported in 2005, 5 years after the invention of the LAMP technology in Japan. This review provides an overview of international efforts in the past decade on the development and application of Salmonella LAMP assays in a wide array of food and feed matrices...
June 2018: Foodborne Pathogens and Disease
François Bédard, Riadh Hammami, Séverine Zirah, Sylvie Rebuffat, Ismail Fliss, Eric Biron
The antimicrobial peptide pediocin PA-1 is a class IIa bacteriocin that inhibits several clinically relevant pathogens including Listeria spp. Here we report the synthesis and characterization of whole pediocin PA-1 and novel analogs thereof using a combination of solid- and solution-phase strategies to overcome difficulties due to instability and undesired reactions. Pediocin PA-1 thus synthesized was a potent inhibitor of Listeria monocytogenes (MIC = 6.8 nM), similar to the bacteriocin produced naturally by Pediococcus acidilactici...
June 13, 2018: Scientific Reports
Melis Asal, Özlem Özen, Mert Şahinler, İlker Polatoğlu
Novel sensitive, rapid and economical biosensors are being developed in a wide range of medical environmental and food applications. In this paper, we review some of the main advances in the field over the past few years by discussing recent studies from literature. A biosensor, which is defined as an analytical device consisting of a biomolecule, a transducer and an output system, can be categorized according to the type of the incorporated biomolecule. The biomolecules can be enzymes, antibodies, ssDNA, organelles, cells etc...
June 13, 2018: Sensors
Veronica Egging, Jasmine Nguyen, Dmitry Kurouski
Global population growth drives increasing food demand, which is anticipated to increase by at least 20 percent over the next 15 years. Rapid detection and identification of plant pathogens allows for up to a 50% increase in the total agricultural yield worldwide. Current molecular methods for pathogen diagnostics, such as polymerase chain reaction (PCR), are costly, time consuming, and destructive. These limitations recently catalyzed a push toward developing minimally invasive and substrate general techniques that can be used in the field for confirmatory detection and identification of plant pathogens...
June 13, 2018: Analytical Chemistry
Ejikeugwu Chika, Esimone Charles, Iroha Ifeanyichukwu, Adikwu Michael
Objectives: Gram-negative bacteria represent the most relevant reservoir of resistance to antibiotics in the environment. The natural selection of resistant clones of bacteria in the environment by antimicrobial selective pressure is a relevant mechanism for spreading antibiotic resistance traits in both the community and hospital environment. This is in scenarios where antimicrobials are used irrationally, and even in the propagation of livestock, poultry birds, and for other veterinary purposes...
May 2018: Oman Medical Journal
Inês Pádua, André Moreira, Pedro Moreira, Renata Barros
BACKGROUND: Food allergy is a growing public health concern. The literature suggests that a significant number of reactions occur in community services, such as schools and restaurants. Therefore, suitable training and education for education and catering professionals using viable and practical tools is needed. OBJECTIVE: The objective of this study is to evaluate the effectiveness of a Web-based food allergy training program for professionals working in schools and restaurants, designed to improve knowledge and good practices in the community...
June 12, 2018: JMIR Research Protocols
Natalia Cartledge, Susan Chan
Atopic dermatitis and food allergy are common conditions of childhood that are closely linked. 30% of children with moderate to severe eczema suffer from food allergy and can present with different types of reactions: immediate or IgE-mediated reactions, delayed or non-IgE-mediated eczematous flares, or a combination of the two. A detailed history is very important when approaching such patients. The presence of IgE-mediated symptoms warrants investigation and management requires avoidance of the culprit allergen, an emergency care plan and appropriate follow up...
June 12, 2018: Current Pediatric Reviews
Nora Nilsson, Caroline Nilsson, Helena Ekoff, Sandra Wieser-Pahr, Magnus P Borres, Rudolf Valenta, Gunilla Hedlin, Sigrid Sjölander
BACKGROUND: Specific immunoglobulin E (IgE) sensitization to wheat is more common than a doctor's confirmed wheat allergy and is also frequently observed in grass pollen-allergic patients (pollinosis patients). Thus, the objective of this study was to investigate the level and feature of serological IgE cross-reactivity between grass pollen and wheat in a cohort of pollinosis subjects with no diagnosis of wheat allergy. METHODS: Seventy-two children, aged 5-17 years, with a doctor's diagnosis of pollinosis, IgE towards grass pollen, and currently eating wheat were recruited...
June 12, 2018: International Archives of Allergy and Immunology
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