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https://www.readbyqxmd.com/read/28764033/genetic-and-geochemical-signatures-to-prevent-frauds-and-counterfeit-of-high-quality-asparagus-and-pistachio
#1
Carmela Zannella, Francesca Carucci, Riccardo Aversano, Thomas Prohaska, Simona Vingiani, Domenico Carputo, Paola Adamo
A fingerprinting strategy based on genetic (simple sequence repeat) and geochemical (multielement and (87)Sr/(86)Sr ratio) analysis was tested to prove the geographical origin of high-quality Italian products "White Asparagus from Bassano del Grappa" and "Green Pistachio from Bronte". Genetic analysis generated many polymorphic alleles and different specific amplified fragments in both agriproducts. In addition, a core set of markers was defined. According to variability within production soils and products, potential candidate elements linking asparagus (Zn, P, Cr, Mg, B, K) and pistachio (Mn, P, Cr, Mg, Ti, B, K, Sc, S) to the production areas were identified...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28732848/optimization-of-pectin-extraction-from-pistachio-green-hull-as-a-new-source
#2
Elnaz Chaharbaghi, Faramarz Khodaiyan, Seyed Saeid Hosseini
In this paper, the influence of pH (0.5-2.5), temperature (50-90°C), extraction time (30-150min) and liquid/solid ratio (10-50v/w) on the acidic extraction yield and degree of esterification (DE) of pistachio green hull pectin were studied by using central composite design. The results indicated that the yield and DE of pectin ranged from 7.31 to 19.02% and 26.00 to 53.01%, respectively. The optimization of pectin extraction condition showed that the optimal condition was pH of 0.5, temperature of 90°C, time of 30min and liquid/solid ratio of 50 v/w...
October 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28701823/innovative-technologies-to-manage-aflatoxins-in-foods-and-feeds-and-the-profitability-of-application-a-review
#3
REVIEW
Patchimaporn Udomkun, Alexander Nimo Wiredu, Marcus Nagle, Joachim Müller, Bernard Vanlauwe, Ranajit Bandyopadhyay
Aflatoxins are mainly produced by certain strains of Aspergillus flavus, which are found in diverse agricultural crops. In many lower-income countries, aflatoxins pose serious public health issues since the occurrence of these toxins can be considerably common and even extreme. Aflatoxins can negatively affect health of livestock and poultry due to contaminated feeds. Additionally, they significantly limit the development of international trade as a result of strict regulation in high-value markets. Due to their high stability, aflatoxins are not only a problem during cropping, but also during storage, transport, processing, and handling steps...
June 2017: Food Control
https://www.readbyqxmd.com/read/28670916/gamma-irradiation-affects-the-total-phenol-anthocyanin-and-antioxidant-properties-in-three-different-persian-pistachio-nuts
#4
Mohammad Akbari, Mostafa Farajpour, Mostafa Aalifar, Mohammad Sadat Hosseini
The effects of gamma irradiation (GR) on total phenol, anthocyanin and antioxidant activity were investigated in three different Persian pistachio nuts at doses of 0, 1, 2 and 4 kGy. The antioxidant activity, as determined by FRAP and DPPH methods, revealed a significant increase in the 1-2 kGy dose range. Total phenol content (TPC) revealed a similar pattern or increase in this range. However, when radiation was increased to 4 kGy, TPC in all genotypes decreased. A radiation dose of 1 kGy had no significant effect on anthocyanin content of Kale-Ghouchi (K) and Akbari (A) genotypes, while it significantly increased the anthocyanin content in the Ghazvini (G) genotype...
July 3, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28648297/modeling-the-risk-of-salmonellosis-from-consumption-of-pistachios-produced-and-consumed-in-the-united-states
#5
Elisabetta Lambertini, Javad Barouei, Donald W Schaffner, Michelle D Danyluk, Linda J Harris
The risk of salmonellosis from consumption of pistachios produced and consumed in the U.S. was assessed through quantitative microbial risk assessment. Data on Salmonella prevalence and concentration on pistachios, nut crop volume, storage times and temperatures during processing and handling, and reductions during storage or from roasting were derived from laboratory experiments, published literature, and industry expert opinion. Uncertainty was analyzed via what-if scenarios for Salmonella prevalence, concentration, storage reduction, treatment variability, portion of crop treated, and increased consumption...
October 2017: Food Microbiology
https://www.readbyqxmd.com/read/28647516/health-risk-assessment-of-heavy-metals-via-dietary-intake-of-five-pistachio-pistacia-vera-l-cultivars-collected-from-different-geographical-sites-of-iran
#6
Seyedeh Faezeh Taghizadeh, Gholamhossein Davarynejad, Javad Asili, Seyed Hossein Nemati, Ramin Rezaee, Marina Goumenou, Aristides M Tsatsakis, Gholamreza Karimi
Pistachio is an important horticultural product and Iran is considered as a main pistachio producing country. Assessment of heavy metals in this export fruit is crucial for protecting public health against toxic heavy metals. The concentration of selected heavy metals in soil, water and five pistachio cultivars from four geographical regions of Iran were measured. Although none of the elements were detected in water irrigation, infield metal content in the soil had good correlation with that of pistachio. The highest amounts of Al, As, Co, Ni and Se were reported in samples collected from Sarakhs, Iran...
September 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28607358/temperature-gradients-assist-carbohydrate-allocation-within-trees
#7
Or Sperling, Lucas C R Silva, Aude Tixier, Guillaume Théroux-Rancourt, Maciej A Zwieniecki
Trees experience two distinct environments: thermally-variable air and thermally-buffered soil. This generates intra-tree temperature gradients, which can affect carbon metabolism and water transport. In this study, we investigated whether carbohydrate allocation within trees is assisted by temperature gradients. We studied pistachio (Pistacia integerrima) to determine: (1) temperature-induced variation in xylem sugar concentration in excised branches; (2) changes in carbon allocation in young trees under simulated spring and fall conditions; and (3) seasonal variability of starch levels in mature orchard trees under field conditions...
June 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28601031/delayed-diagnosis-of-esophageal-foreign-body-a-case-report
#8
Salem Yahyaoui, Imen Jahaouat, Ines Brini, Azza Sammoud
INTRODUCTION: Foreign body (FB) ingestion, a common and serious problem in children, can present with a wide variety of symptoms. This paper describes and discusses the case of an esophageal foreign body (EFB), in which the patient presented with primarily respiratory clinical signs causing delayed diagnosis. PRESENTATION OF CASE: A six month old boy presented with three months history of harsh cough, stridor and pulmonary congestion. He was repeatedly treated with steroids and antibiotics...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28558475/protective-effect-of-hydroalcoholic-extract-of-pistacia-vera-against-gentamicin-induced-nephrotoxicity-in-rats
#9
Vahid Ehsani, Morteza Amirteimoury, Zahra Taghipour, Ali Shamsizadeh, Gholamreza Bazmandegan, Amir Rahnama, Fatemeh Khajehasani, Iman Fatemi
PURPOSE: Pistacia vera is a plant of the family Anacardiaceae found in Central and West Asia. P. vera nut (Pistachio) possess multiple pharmacological effects such as antimicrobial, anti-hyperlipidemia, antioxidant and anti-inflammatory. This study is designed to evaluate the protective effect of the hydroalcoholic extract of pistachio on gentamicin-induced nephrotoxicity in rats. METHODS: Nephrotoxicity was induced in rats by intraperitoneal injection of gentamicin (100 mg/kg/day for 7 days)...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28531554/efficacy-of-bacillus-subtilis-and-bacillus-amyloliquefaciens-in-the-control-of-aspergillus-parasiticus-growth-and-aflatoxins-production-on-pistachio
#10
Fatemeh Siahmoshteh, Ilenia Siciliano, Houda Banani, Zohreh Hamidi-Esfahani, Mehdi Razzaghi-Abyaneh, Maria Lodovica Gullino, Davide Spadaro
Pistachio (Pistacia vera) is an important nut for its economic, nutritional and health aspects but it can be contaminated by aflatoxigenic fungi in the field and during storage. Biological control could be considered as an alternative to chemical treatment. In this study, we evaluated the antifungal and anti-mycotoxigenic capability of two Bacillus spp. both in vitro and on pistachio kernels. In in vitro conditions, both strains were able to reduce the mycelial growth and they were able to degrade the four aflatoxins during the first three days after inoculation...
May 15, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28432876/effect-of-pistachio-consumption-on-the-modulation-of-urinary-gut-microbiota-related-metabolites-in-prediabetic-subjects
#11
Pablo Hernández-Alonso, Daniel Cañueto, Simona Giardina, Jordi Salas-Salvadó, Nicolau Cañellas, Xavier Correig, Mònica Bulló
The specific nutritional composition of nuts could affect different metabolic pathways involved in a broad range of metabolic diseases. We therefore investigated whether chronic consumption of pistachio nuts modifies the urine metabolome in prediabetic subjects. We designed a randomized crossover clinical trial in 39 prediabetic subjects. They consumed a pistachio-supplemented diet (PD, 50% carbohydrates, 33% fat, including 57 g/d of pistachios daily) and a control diet (CD, 55% carbohydrates, 30% fat) for 4 months each, separated by a 2-week wash-out...
April 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28415478/comparison-of-unusual-carbon-based-working-electrodes-for-electrochemiluminescence-sensors
#12
COMPARATIVE STUDY
Muhammad Noman, Alessandro Sanginario, Pravin Jagadale, Danilo Demarchi, Alberto Tagliaferro
In this work, unconventional carbon-based materials were investigated for use in electrochemiluminescence (ECL) working electrodes. Precursors such as bamboo, pistachio shells, kevlar(®) fibers and camphor were differently treated and used as working electrodes in ECL experiments. After a proper process they were assembled as electrodes and tested in an electrochemical cell. Comparison among them and with a commercial glassy carbon electrode (GCE) shows a very good response for all of them thus demonstrating their potential use as disposable low-cost electrodes for early detection electrochemical analysis...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28413171/comparison-of-weibull-and-lognormal-cure-models-with-cox-in-the-survival-analysis-of-breast-cancer-patients-in-rafsanjan
#13
Mina Hoseini, Abbas Bahrampour, Moghaddameh Mirzaee
BACKGROUND: Breast cancer is the most common cancer after lung cancer and the second cause of death. In this study we compared Weibull and Lognormal Cure Models with Cox regression on the survival of breast cancer. STUDY DESIGN: A cohort study. METHODS: The current study retrospective cohort study was conducted on 140 patients referred to Ali Ibn Abitaleb Hospital, Rafsanjan southeastern Iran from 2001 to 2015 suffering from breast cancer...
February 16, 2017: Journal of Research in Health Sciences
https://www.readbyqxmd.com/read/28386892/combustion-of-pistachio-shell-physicochemical-characterization-and-evaluation-of-kinetic-parameters
#14
Jean Constantino Gomes da Silva, José Luiz Francisco Alves, Wendell Venicio de Araujo Galdino, Regina de Fátima Peralta Muniz Moreira, Humberto Jorge José, Rennio Felix de Sena, Silvia Layara Floriani Andersen
The study of different renewable energy sources has been intensifying due to the current climate changes; therefore, the present work had the objective to characterize physicochemically the pistachio shell waste and evaluate kinetic parameters of its combustion. The pistachio shell was characterized through proximate analysis, ultimate analysis, SEM, and FTIR. The thermal and kinetic behaviors were evaluated by a thermogravimetric analyzer under oxidant atmosphere between room temperature and 1000 °C, in which the process was performed in three different heating rates (20, 30, and 40 °C min(-1))...
April 6, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28376424/life-cycle-analysis-of-pistachio-production-in-greece
#15
Georgios Bartzas, Kostas Komnitsas
In the present paper, a life cycle assessment (LCA) study regarding pistachio (Pistacia vera L.) cultivation in Aegina island, Greece, was performed to evaluate the energy use footprint and the associated environmental impacts. In this context, a detailed life cycle inventory was created based on site-survey data and used for a holistic cradle-to-farm gate LCA analysis using the GaBi 6.5 software. The main impact categories assessed were acidification potential (AP), eutrophication potential (EP), global warming potential (GWP), ozone depletion potential (ODP), photochemical ozone creation potential (POCP) and cumulative energy demand (CED)...
October 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28359600/characteristics-of-tree-nut-challenges-in-tree-nut-allergic-and-tree-nut-sensitized-individuals
#16
Christopher Couch, Tim Franxman, Matthew Greenhawt
BACKGROUND: Characteristics and outcomes of tree nut (TN) oral food challenges (OFCs) in patients with TN allergy or sensitization alone are poorly studied. OBJECTIVE: To determine the relation between TN sensitization levels and OFC outcomes. METHODS: Open TN OFCs performed from 2007 through 2015 at a referral center were analyzed to compare outcome based on skin prick test (SPT) wheal size, food-specific immunoglobulin E (sIgE), peanut co-allergy, and TN sensitization only vs TN allergy with sensitization to other TNs...
May 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28351786/association-of-clinical-reactivity-with-sensitization-to-allergen-components-in-multifood-allergic-children
#17
Sandra Andorf, Magnus P Borres, Whitney Block, Dana Tupa, Jennifer B Bollyky, Vanitha Sampath, Arnon Elizur, Jonas Lidholm, Joseph E Jones, Stephen J Galli, Rebecca S Chinthrajah, Kari C Nadeau
BACKGROUND: Thirty percent of children with food allergies have multiple simultaneous allergies; however, the features of these multiple allergies are not well characterized serologically or clinically. OBJECTIVE: We comprehensively evaluated 60 multifood-allergic patients by measuring serum IgE to key allergen components, evaluating clinical histories and medication use, performing skin tests, and conducting double-blind, placebo-controlled food challenges (DBPCFCs)...
March 25, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28321292/low-percentage-of-clinically-relevant-pistachio-nut-and-mango-co-sensitisation-in-cashew-nut-sensitised-children
#18
J P M van der Valk, R El Bouche, R Gerth van Wijk, H de Groot, H J Wichers, A E J Dubois, N W de Jong
BACKGROUND: Cashew nut, pistachio nut and mango belong to the Anacardiaceae family and are botanically related. Therefore, cashew nut sensitised children are frequently advised to eliminate cashew nuts and pistachio nuts from their diet. The 'Improvement of Diagnostic mEthods for ALlergy assessment (IDEAL trial number NTR3572) study showed that cashew nut sensitised children were co-sensitised to pistachio nut in 98% of cases and to mango in 21% of cases. The aim of this follow-up study to IDEAL is to assess the clinical relevance of co-sensitisation to pistachio nut and mango in cashew nut sensitised children...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28315214/detection-of-food-allergens-by-taqman-real-time-pcr-methodology
#19
Aina García, Raquel Madrid, Teresa García, Rosario Martín, Isabel González
Real-time PCR (polymerase chain reaction) has shown to be a very effective technology for the detection of food allergens. The protocol described herein consists on a real-time PCR assay targeting the plant ITS (Internal Transcribed Spacer) region, using species-specific primers and hydrolysis probes (Taqman) dual labeled with a reporter fluorophore at the 5' end (6-carboxyfluorescein, FAM) and a quencher fluorophore at the 3' end (Blackberry, BBQ). The species-specific real-time PCR systems (primers/probe) described in this work allowed the detection of different nuts (peanut, hazelnut, pistachio, almond, cashew, macadamia, walnut and pecan), common allergens present in commercial food products, with a detection limit of 0...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28315211/2d-electrophoresis-and-immunoblotting-in-food-allergy
#20
Galina Grishina, Luda Bardina, Alexander Grishin
Two-dimensional polyacrylamide gel electrophoresis (2DE) and Western immunoblotting have proven to be invaluable and fundamental techniques for comprehensive characterization of food allergens. Here, we describe and discuss detailed protocols used in our studies on identification of allergenic proteins in shrimp, sesame, hazelnut, and pistachio.
2017: Methods in Molecular Biology
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