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https://www.readbyqxmd.com/read/29770582/predator-performance-inferring-predator-switching-behaviors-based-on-nutritional-indices-in-a-coccinellid-psylla-aphid-system
#1
M Amin Jalali, M Reza Mehrnejad, Peter C Ellsworth, Fateme Ranjbar, Mahdi Ziaaddini
BACKGROUND: Knowledge on the nutritional ecology of predatory coccinellids is important to selection of efficient biocontrol agents. We examined five species common to pistachio orchards and nutritional indices when fed on the key psylla pest of the system, Agonoscena pistaciae, in contrast to an alternative prey common on herbaceous plants in orchards, Aphis gossypii. RESULTS: Feeding studies revealed that Oenopia conglobata contaminata and Adalia bipunctata may be more efficient as biocontrol agents for A...
May 16, 2018: Pest Management Science
https://www.readbyqxmd.com/read/29757010/a-quantitative-risk-assessment-of-human-salmonellosis-from-consumption-of-pistachios-in-the-united-states
#2
Sofia M Santillana Farakos, Régis Pouillot, Gordon R Davidson, Rhoma Johnson, Judith Spungen, Insook Son, Nathan Anderson, Jane M VAN Doren
We developed a quantitative risk assessment model to assess the risk of human nontyphoidal salmonellosis from consumption of pistachios in the United States and to evaluate the impact of Salmonella treatments (1- to 5-log reductions). The exposure model estimating prevalence and contamination levels of Salmonella at consumption included steps in pistachio processing such as transport from grower to huller, removal of the hull through wet abrasion, separation of pistachio floaters (immature, smaller nuts) and sinkers (mature, larger nuts) in a flotation tank, drying, storage, and partitioning...
May 14, 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29755919/molecular-phylogenetic-species-in-alternaria-pathogens-infecting-pistachio-and-wild-relatives
#3
Hilal Ozkilinc, Unal Sevinc
Many important pathogens of crops worldwide are members of section Alternaria within the genus Alternaria . Representative species in this section such as Alternaria alternata, Alternaria tenuissima , and Alternaria arborescens show high variability, intermediate characters and plasticity in morphological features, which makes species identification difficult. The aim of this study was to characterize Alternaria species associated with pistachio and wild relatives in Turkey using molecular phylogenetics. One hundred isolates of Alternaria spp...
May 2018: 3 Biotech
https://www.readbyqxmd.com/read/29739589/phenolic-and-triterpenoid-composition-and-inhibition-of-%C3%AE-amylase-of-pistachio-kernels-pistacia-vera-l-as-affected-by-rootstock-and-irrigation-treatment
#4
Luis Noguera-Artiaga, David Pérez-López, Armando Burgos-Hernández, Aneta Wojdyło, Ángel A Carbonell-Barrachina
The current water scarcity forces farmers to adopt new irrigation strategies to save water without jeopardizing the fruit yield and quality. In this study, the influence of 3 regulated deficit irrigation (RDI) treatments and 3 rootstocks on the functional quality of pistachios were studied. The functional parameters studied included, polyphenols, triterpenoids, and inhibition of α-amylase. The results showed that P. terebinthus and P. atlantica rootstocks led to pistachio kernels with higher contents of polyphenols and triterpenoids (mainly betulinic acid with 111 and 102 µg g-1 , respectively) than pistachios obtained using P...
September 30, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29700869/tree-nut-allergies-allergen-homology-cross-reactivity-and-implications-for-therapy
#5
Johanna M Smeekens, Kenneth Bagley, Michael Kulis
Tree nut allergy is a potentially life-threatening disease that is increasing in prevalence, now affecting 1% of the general population in the United States. While other food allergies often resolve spontaneously, tree nut allergies are outgrown in less than 10% of cases. Due to the likelihood of cross-sensitization to multiple tree nut allergens, the current treatment guideline is strict avoidance of all nuts once one tree nut allergy has been diagnosed. For example, walnut and pecan are highly cross-reactive, along with cashew and pistachio, but the extent of clinical, IgE-mediated cross-reactivity among other tree nuts remains unclear, therefore making avoidance of all tree nuts a safe approach...
April 27, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29680059/storage-stability-and-composition-changes-of-three-cold-pressed-nut-oils-under-refrigeration-and-room-temperature-conditions
#6
Adrián Rabadán, Manuel Álvarez-Ortí, José Emilio Pardo, Andrés Alvarruiz
Chemical composition and stability parameters of three cold-pressed nut oils (almond, walnut and pistachio) were monitored for up to 16 months of storage at 5 °C, 10 °C, 20 °C and room temperature. Freshly pressed pistachio oil had lower peroxide value than almond oil and higher induction period than almond and walnut oils, indicating a higher stability. The peroxide values increased faster at room temperature than at lower temperatures during the storage time, and the highest increase was for pistachio oil stored at room temperature exposed to daylight...
September 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29659907/effect-of-cold-storage-on-biological-traits-of-psix-saccharicola-hymenoptera-platygastridae-an-egg-parasitoid-of-acrosternum-arabicum-hemiptera-pentatomidae
#7
Farzane Forouzan, Mohammad Amin Jalali, Mahdi Ziaaddini, Hamid Hashemi Rad
Psix saccharicola (Mani) (Hymenoptera: Platygastridae) is a solitary egg parasitoid of the pistachio green stink bug, Acrosternum arabicum (Wagner) (Hemiptera: Pentatomidae), which is one of the most important pests of pistachio in Iran. Augmentation of P. saccharicola field populations using mass-reared individuals may provide an alternative to conventional pesticide use for pistachio green stink bug control. Cold storage is an important component of mass-rearing protocols for optimum timing of host egg parasitization and potentially extended storage of P...
April 5, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29564232/the-effect-of-nano-silver-packaging-in-increasing-the-shelf-life-of-nuts-an-in-vitro-model
#8
Hamidreza Tavakoli, Hossein Rastegar, Mahdi Taherian, Mohammad Samadi, Hossein Rostami
Nano packaging is currently one of the most important topics in food packaging technologies. The aim of the application of this technology in food packaging is increasing shelf life of foods by preventing internal and external corruption and microbial contaminations. Use of silver nanoparticles in food packaging has recently attracted much attention. The aim of this study was to investigate the effect of nano-silver packaging in increasing the shelf life packages of nuts in an In vitro model. In this experimental study, the effects of different nano-silver concentrations (0, 1, 2 and 3 percent) on biological and chemical properties of 432 samples of nuts including walnuts, hazelnuts, almonds and pistachios were evaluated during 0, 3, 6, 9, 12, 15, 18, 21 and 24 months...
October 20, 2017: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/29548442/polyphenol-bioavailability-in-nuts-and-seeds-by-an-in-vitro-dialyzability-approach
#9
Paloma Herbello-Hermelo, Juan Pablo Lamas, Marta Lores, Raquel Domínguez-González, Pilar Bermejo-Barrera, Antonio Moreda-Piñeiro
An in vitro dialyzability approach has been undertaken to elucidate the bioavailable fraction of the total polyphenols (TPs) of edible nuts and seeds. The TP contents in samples and in dialyzates were assessed by the Folin-Ciocalteu spectrophotometric method. Antioxidant activity was determined in selected samples, using a modified method against Trolox®. TPs and antioxidant activity in nuts/seeds were determined after applying a pressurized liquid extraction sample pre-treatment. High dialyzability ratios were assessed in most nuts/seeds (TP dialyzability percentages within the 25-91% range)...
July 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29527645/ion-homeostasis-osmoregulation-and-physiological-changes-in-the-roots-and-leaves-of-pistachio-rootstocks-in-response-to-salinity
#10
Mohammad Akbari, Nasser Mahna, Katam Ramesh, Ali Bandehagh, Silvia Mazzuca
Pistachio, one of the important tree nuts, is cultivated in arid and semi-arid regions where salinity is the most common abiotic stress encountered by this tree. However, the mechanisms underlying salinity tolerance in this plant are not well understood. In the present study, five 1-year-old pistachio rootstocks (namely Akbari, Badami, Ghazvini, Kale-Ghouchi, and UCB-1) were treated with four saline water regimes (control, 8, 12, and 16 dS m-1 ) for 100 days. At high salinity level, all rootstocks showed decreased relative water content (RWC), total chlorophyll content (TCHC), and carotenoids in the leaf, while ascorbic acid (AsA) and total soluble proteins (TSP) were reduced in both leaf and root organs...
March 12, 2018: Protoplasma
https://www.readbyqxmd.com/read/29502842/subcritical-water-extraction-of-phenolic-and-antioxidant-constituents-from-pistachio-pistacia-vera-l-hulls
#11
Sevcan Erşan, Özlem Güçlü Üstündağ, Reinhold Carle, Ralf M Schweiggert
Pistachio hulls, important by-products of pistachio processing, were extracted using an environmentally friendly process with subcritical water (SCW) at a pressure of 6.9 MPa in the range of 110 and 190 °C, and a flow rate of 4 ml/min. Detailed HPLC-DAD-ESI/MSn analyses allowed the identification of 49 phenolic compounds in the SCW extracts. Total gallotannin yields up to 33 g/kg were reached at 150-170 °C, where gallic acid (22.2 g/kg) and penta-O-galloyl-β-d-glucose (9.77 g/kg) levels were 13...
July 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29467653/the-antioxidant-activity-of-pistachios-reduces-cardiac-tissue-injury-of-acute-ischemia-reperfusion-i-r-in-diabetic-streptozotocin-stz-induced-hyperglycaemic-rats
#12
Rosanna Di Paola, Roberta Fusco, Enrico Gugliandolo, Ramona D'Amico, Michela Campolo, Saverio Latteri, Arianna Carughi, Giuseppina Mandalari, Salvatore Cuzzocrea
Diabetes mellitus is an important risk factor for the development of heart pathology. Myocardial infarction is the cause of death occurring after prolonged ischemia of the coronary arteries. Restoration of blood flow is the first intervention against heart attack, although the process of restoring blood flow to the ischemic myocardium could cause additional injury. This phenomenon, termed myocardial ischemia-reperfusion (MI-R) injury, is characterized by the formation of oxygen radicals. Pistachios have significant glucose- and insulin-lowering effects and can improve the inflammatory contest by downregulating both the expression and the circulating levels of several metabolic risk markers...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29464607/first-report-of-an-atypical-new-aspergillus-parasiticus-isolates-with-nucleotide-insertion-in-aflr-gene-resembling-to-a-sojae
#13
Sui Sheng T Hua, Dan E Parfitt, Siov Bouy L Sarreal, Bertram G Lee, Delilah F Wood
Aflatoxins are toxic and carcinogenic secondary metabolites produced primarily by the filamentous fungi Aspergillus flavus and Aspergillus parasiticus and cause toxin contamination in food chain worldwide. Aspergillus oryzae and Aspergillus sojae are highly valued as koji molds in the traditional preparation of fermented foods, such as miso, sake, and shoyu. Koji mold species are generally perceived of as being nontoxigenic and are generally recognized as safe (GRAS). Fungal isolates were collected from a California orchard and a few were initially identified to be A...
May 2018: Mycotoxin Research
https://www.readbyqxmd.com/read/29437956/spatial-patterns-of-tree-yield-explained-by-endogenous-forces-through-a-correspondence-between-the-ising-model-and-ecology
#14
Andrew E Noble, Todd S Rosenstock, Patrick H Brown, Jonathan Machta, Alan Hastings
Spatial patterning of periodic dynamics is a dramatic and ubiquitous ecological phenomenon arising in systems ranging from diseases to plants to mammals. The degree to which spatial correlations in cyclic dynamics are the result of endogenous factors related to local dynamics vs. exogenous forcing has been one of the central questions in ecology for nearly a century. With the goal of obtaining a robust explanation for correlations over space and time in dynamics that would apply to many systems, we base our analysis on the Ising model of statistical physics, which provides a fundamental mechanism of spatial patterning...
February 20, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29433292/inhibitory-activity-of-phenolic-rich-pistachio-green-hull-extract-enriched-pasta-on-key-type-2-diabetes-relevant-enzymes-and-glycemic-index
#15
Sajjad Lalegani, Hassan Ahmadi Gavlighi, Mohammad Hossein Azizi, Roghayeh Amini Sarteshnizi
Phenolic compounds as agro-industrial by-products have been associated with health benefits since they exhibit high antioxidant activity and anti-diabetic properties. In this study, polyphenol-rich extract from pistachio green hull (PGH) was evaluated for antioxidant activity and its ability to inhibit α-amylase and α-glucosidase activity in vitro. The effect of PGH extract powder on in vitro starch digestibility was also evaluated. The results showed that PGH had stronger antioxidant activity than Trolox...
March 2018: Food Research International
https://www.readbyqxmd.com/read/29391608/chemical-stability-of-rainbow-trout-in-icing-medium-containing-pistachio-pistachia-vera-green-hull-extract-during-chilled-storage
#16
Fatemeh Sadat Nazeri, Nafiseh Soltanizadeh, Sayed Amir Hossein Goli, Sheida Mazaheri
In this study, the effect of icing medium containing different concentration of pistachio ( Pistacia vera L. cv. Akbari) green hull extract (PHE) was investigated on the chemical stability of rainbow trout. The fishes were stored for 12 days in flaked ice containing 0, 0.1, 0.2 and 0.3% PHE and the parameters of pH, total volatile base nitrogen (TVB-N), histamine, free fatty acids, peroxide and thiobarbituric acid index (TBA-i) were periodically evaluated. In all experiments, a significant difference was evident between control and fish muscles stored in ice containing PHE...
February 2018: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29387572/assessment-of-phenolic-profile-and-antioxidant-power-of-five-pistachio-pistacia-vera-cultivars-collected-from-four-geographical-regions-of-iran
#17
Seyedeh Faezeh Taghizadeh, Gholamhossein Davarynejad, Javad Asili, Seyed Hossein Nemati, Gholamreza Karimi
Objective: In this study, the levels and antioxidant activities of some secondary metabolites isolated from five pistachio ( Pistacia vera ) cultivars collected from four different geographical regions of Iran, were studied. Materials and Methods: Total phenolic compounds levels were determined by Folin-Ciocalteu method. Total flavonoid content was determined as AlCl3 complex and expressed as mg of quercetin equivalents (QE)/g dry extract and total proantocyanidins content was expressed as mg of catechin equivalents (CA)/g dry extract...
January 2018: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/29361082/dietary-protein-and-carbohydrate-levels-affect-performance-and-digestive-physiology-of-plodia-interpunctella-lepidoptera-pyralidae
#18
E Borzoui, A R Bandani, S H Goldansaz, R Talaei-Hassanlouei
In this study, life history and nutritional indices of Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae) was evaluated on six food commodities: dried fig, dried wheat germ, dried white mulberry, groundnut, pistachio, and raisin, compared with artificial diet. The influence of dietary macronutrient content on digestive α-amylase was also assessed. A delay in the developmental time of P. interpunctella immature stages was detected when larvae were fed on raisin. The highest survival rate of immature stages was on the artificial diet, and the lowest was on raisin...
April 2, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29318912/population-genetics-of-verticillium-dahliae-in-iran-based-on-microsatellite-and-snp-markers
#19
Vahideh Rafiei, Ziaeddin Banihashemi, Laura S Bautista-Jalon, María Del Mar Jiménez-Gasco, Gillian Turgeon, Michael G Milgroom
Verticillium dahliae is a plant pathogenic fungus that reproduces asexually and its population structure is highly clonal. In the present study, 78 V. dahliae isolates from Iran were genotyped for mating type, SNPs and microsatellites to assign them to clonal lineages and to determine population genetic structure in Iran. The mating type of all isolates was MAT1-2. Based on neighbor-joining analysis and minimum spanning networks constructed from SNPs and microsatellite genotypes, all but four isolates were assigned to lineage 2B824 ; four isolates were assigned to lineage 4B...
January 10, 2018: Phytopathology
https://www.readbyqxmd.com/read/29303970/cytotoxic-effects-and-anti-angiogenesis-potential-of-pistachio-pistacia-vera-l-hulls-against-mcf-7-human-breast-cancer-cells
#20
Maryam Seifaddinipour, Reyhaneh Farghadani, Farideh Namvar, Jamaludin Mohamad, Habsah Abdul Kadir
Pistachio ( Pistacia vera L.) hulls (PVLH) represents a significant by-product of industrial pistachio processing that contains high amounta of phenolic and flavonoid compounds known to act as antioxidants. The current study was designed to evaluate the anti-tumor and anti-angiogenic potentials of PVLH extracts. The cytotoxic effects of hexane, ethyl acetate, methanol, and water PVLH extracts toward human colon cancer (HT-29 and HCT-116), breast adenocarcinoma (MCF-7), lung adenocarcinoma (H23), liver hepatocellular carcinoma (HepG2), cervical cancer (Ca Ski), and normal fibroblast (BJ-5ta) cells were assessed using a MTT cell viability assay...
January 5, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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