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https://www.readbyqxmd.com/read/29127811/distribution-and-incidence-of-atoxigenic-aspergillus-flavus-vcg-in-tree-crop-orchards-in-california-a-strategy-for-identifying-potential-antagonists-the-example-of-almonds
#1
Adeline Picot, Mark Doster, Md-Sajedul Islam, Kenneth Callicott, Alejandro Ortega-Beltran, Peter Cotty, Themis Michailides
To identify predominant isolates for potential use as biocontrol agents, Aspergillus flavus isolates collected from soils of almond, pistachio and fig orchard in the Central Valley of California were tested for their membership to 16 atoxigenic vegetative compatibility groups (VCGs), including YV36, the VCG to which AF36, an atoxigenic isolate commercialized in the United States as biopesticide, belongs. A surprisingly large proportion of isolates belonged to YV36 (13.3%, 7.2% and 6.6% of the total almond, pistachio and fig populations, respectively), while the percentage of isolates belonging to the other 15 VCGs ranged from 0% to 2...
October 21, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29127694/nut-co-reactivity-acquiring-knowledge-for-elimination-recommendations-nut-cracker-study
#2
Arnon Elizur, Michael Y Appel, Liat Nachshon, Michael B Levy, Naama Epstein-Rigby, Keren Golobov, Michael Goldberg
BACKGROUND: Ambiguities exist regarding the diagnosis of tree-nut allergy, necessitating either elimination or performance of oral food challenges (OFC). OBJECTIVE: To examine the co-incidences of allergies among tree-nuts and improve diagnostic testing to minimize the need for OFC. METHODS: Eighty three patients prospectively evaluated for walnut, pecan, cashew, pistachio, hazelnut and almond allergy. A history of previous reactions was obtained and standardized skin prick tests (SPT) using finely ground tree-nut solution and basophil activation tests (BAT) were performed...
November 11, 2017: Allergy
https://www.readbyqxmd.com/read/29117381/assessment-of-feeding-acceptance-and-injury-of-kerman-pistachios-pistacia-vera-by-brown-marmorated-stink-bug-hemiptera-pentatomidae
#3
Jesús R Lara, Matthew T Kamiyama, Gabriel Hernandez, Justin Nay, Mark S Hoddle, Yulin Gao
In the United States, California (CA) is the primary commercial producer of pistachio nuts, Pistacia vera L. (Anacardiaceae). The brown marmorated stink bug (BMSB), Halyomorpha halys (Stål) (Hemiptera: Pentatomidae), an invasive and polyphagous insect pest from Asia, has established in urban areas in several pistachio-growing counties in CA. Breeding BMSB populations have not been detected in commercial pistachio acreage. However, the detection of BMSB in Kern and Fresno counties, major Kerman pistachio producing areas in CA, underscored key knowledge gaps on BMSB ecology in CA and motivated investigations on the susceptibility of pistachio nuts to BMSB feeding...
September 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/29089123/factors-affecting-cadmium-absorbed-by-pistachio-kernel-in-calcareous-soils-southeast-of-iran
#4
H Shirani, S J Hosseinifard, H Hashemipour
Cadmium (Cd) which does not have a biological role is one of the most toxic heavy metals for organisms. This metal enters environment through industrial processes and fertilizers. The main objective of this study was to determine the relationships between absorbed Cd by pistachio kernel and some of soil physical and chemical characteristics using modeling by stepwise regression and Artificial Neural Network (ANN), in calcareous soils in Rafsanjan region, southeast of Iran. For these purposes, 220 pistachio orchards were selected, and soil samples were taken from two depths of 0-40 and 40-80cm...
October 28, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29082440/effects-of-land-conversion-from-native-shrub-to-pistachio-orchard-on-soil-erodibility-in-an-arid-region
#5
Tugrul Yakupoglu, Recep Gundogan, Turgay Dindaroglu, Zekeriya Kara
Land-use change through degrading natural vegetation for agricultural production adversely affects many of soil properties particularly organic carbon content of soils. The native shrub land and grassland of Gaziantep-Adiyaman plateau that is an important pistachio growing eco-region have been cleared to convert into pistachio orchard for the last 50 to 60 years. In this study, the effects of conversion of natural vegetation into agricultural uses on soil erodibility have been investigated. Soil samples were collected from surface of agricultural fields and adjacent natural vegetation areas, and samples were analyzed for some soil erodibility indices such as dispersion ratio (DR), erosion ratio (ER), structural stability index (SSI), Henin's instability index (I s ), and aggregate size distribution after wet sieving (AggSD)...
October 29, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29069485/assessing-genetic-diversity-in-four-stink-bug-species-chinavia-hilaris-chlorochroa-uhleri-chlorochroa-sayi-and-thyanta-pallidovirens-hemiptera-pentatomidae-using-dna-barcodes
#6
A K Barman, A L Joyce, R Torres, B S Higbee
Stink bugs (Hemiptera: Pentatomidae) are an economically important group of insects that attack numerous crops in the central valley of California. Management of these pests using pheromones or biological control can be species specific, and proper identification of insect species is essential for effective management. The objective was to examine genetic variability in four species of stink bugs, which included Chinavia hilaris (Say) ( = Acrosternum hilare ) (Hemiptera: Pentatomidae) , Chlorochroa uhleri (Stål) (Hemiptera: Pentatomidae) , Chlorochroa sayi (Stål) (Hemiptera: Pentatomidae), and Thyanta pallidovirens (Stål) (Hemiptera: Pentatomidae) and to determine whether there may be cryptic species present...
October 24, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29051657/the-enhancement-of-pistachio-green-hull-extract-functionality-via-nanoliposomal-formulation-studying-in-soybean-oil
#7
Mahia Roostaee, Mohsen Barzegar, Mohammad Ali Sahari, Zahra Rafiee
Phenolic compounds of pistachio green hull extract (PGHE) were incorporated into nanoliposomes (NLs). The NLs were prepared with different concentrations of phenolic compounds of PGHE (500, 750 and 1000 ppm) and particle size, polydispersity index (PDI), zeta potential and encapsulation efficiency (EE) were investigated. The antioxidant activity of free and incorporated phenolic compounds of PGHE were evaluated in soybean oil during 39 days of storage by measuring peroxide (PV), thiobarbituric acid (TBA) values and color...
October 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29049303/a-mediterranean-diet-with-additional-extra-virgin-olive-oil-and-pistachios-reduces-the-incidence-of-gestational-diabetes-mellitus-gdm-a-randomized-controlled-trial-the-st-carlos-gdm-prevention-study
#8
RANDOMIZED CONTROLLED TRIAL
Carla Assaf-Balut, Nuria García de la Torre, Alejandra Durán, Manuel Fuentes, Elena Bordiú, Laura Del Valle, Cristina Familiar, Ana Ortolá, Inés Jiménez, Miguel A Herraiz, Nuria Izquierdo, Noelia Perez, María J Torrejon, María I Ortega, Francisco J Illana, Isabelle Runkle, Maria P de Miguel, Carmen Montañez, Ana Barabash, Martín Cuesta, Miguel A Rubio, Alfonso L Calle-Pascual
BACKGROUND: Gestational diabetes mellitus (GDM) prevalence is increasing and becoming a major public health concern. Whether a Mediterranean diet can help prevent GDM in unselected pregnant women has yet to be studied. METHODS: We conducted a prospective, randomized controlled trial to evaluate the incidence of GDM with two different dietary models. All consecutive normoglycemic (<92 mg/dL) pregnant women at 8-12 gestational weeks (GW) were assigned to Intervention Group (IG, n = 500): MedDiet supplemented with extra virgin olive oil (EVOO) and pistachios; or Control Group (CG, n = 500): standard diet with limited fat intake...
2017: PloS One
https://www.readbyqxmd.com/read/29045641/genetic-variability-of-two-leaffooted-bugs-leptoglossus-clypealis-and-leptoglossus-zonatus-hemiptera-coreidae-in-the-central-valley-of-california
#9
A L Joyce, B S Higbee, D R Haviland, H Brailovsky
Leaffooted plant bugs (LFPBs) (Leptoglossus spp., Guérin-Méneville) (Hemiptera: Coreidae) are large seed-feeding bugs native to the Western Hemisphere. In California, several Leptoglossus spp. feed on almonds, pistachios, and pomegranate and are occasional pests. The objective of this study was to survey the different species of Leptoglossus present in almond, pistachio, and pomegranate orchards in the Central Valley of California. We used two molecular markers, amplified fragment length polymorphisms (AFLPs) and mitochondrial DNA COI, to determine the number of species or strains of each species, and to infer whether individuals of each species move and possibly interbreed with populations from the other host plants...
October 16, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29040025/effect-of-chronic-consumption-of-pistachios-pistacia-vera-l-on-glucose-metabolism-in-pre-diabetics-and-type-2-diabetics-a-systematic-review
#10
P V M Ribeiro, A Silva, A P Almeida, H H Hermsdorff, R C Alfenas
Pistachio is a nut with high polyunsaturated fatty acids (PUFA), monounsaturated fatty acids (MUFA), polyphenols and carotenoids content, and the synergism between these compounds appears to affect glucose metabolism. In this systematic review we analyzed studies in which the effect of chronic consumption of pistachio on markers of glucose metabolism was evaluated in pre-diabetic and type 2 diabetics. We used the PubMed, Scopus, Cochrane and Lilacs databases. The research terms used were pistachio, pre-diabetes, type 2 diabetes mellitus, insulin resistance, blood glucose, hyperglycemia and glycated hemoglobin (HbA1c)...
October 17, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29023801/influence-of-genotype-and-crop-year-in-the-chemometrics-of-almond-and-pistachio-oils
#11
Adrián Rabadán, Manuel Álvarez, Ricardo Gómez, Concepción de Miguel, José E Pardo
BACKGROUND: Almond and pistachio oils can be considered as interesting products to produce and commercialize due to their health promoting properties. However, these properties are not consistent because of the differences that appear in oils as a result of the genotype and the crop year. The analysis of these variations and their origin is decisive to ensure the commercial future prospects of these nut oils. RESULTS: Although significant variability has been reported in almond and pistachio oils as a result of the crop year and the interaction between the crop year and the genotype, the genotype itself remains as the main factor determining oil chemometrics...
October 11, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28981628/mating-disruption-of-the-navel-orangeworm-lepidoptera-pyralidae-using-widely-spaced-aerosol-dispensers-is-the-pheromone-blend-the-most-efficacious-disruptant
#12
Bradley S Higbee, Charles S Burks, Ring T Cardé
The navel orangeworm, Amyelois transitella (Walker) (Lepidoptera: Pyralidae), is a key pest of almonds and pistachios and is sometimes controlled using mating disruption as part of a program of integrated management. The formulation used has a single, nonattractive compound [(11Z,13Z)-hexadecadienal] as the active ingredient that is emitted from timed aerosol dispensers. This study compared this nonattractive, single-compound formulation with two aerosol formulations also containing two additional compounds [(11Z,13Z)-hexadecadien-1-ol and (3Z,6Z,9Z,12Z,15Z)-tricosapentaene] that are found in the pheromone glands, and that in combination with the aldehyde are attractive in wind-tunnel and field-attraction trials...
June 30, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28961988/field-attraction-of-carob-moth-to-host-plants-and-conspecific-females
#13
Seyed Ali Hosseini, Seyed Hossein Goldansaz, Steph B J Menken, Michiel van Wijk, Peter Roessingh, Astrid T Groot
The carob moth, Ectomyelois ceratoniae (Zeller; Lepidoptera: Pyralidae), is a devastating pest in high-value crops around the world. An efficient sex pheromone attractant is still missing for the management of this pest, because the major pheromone component is unstable. Host plant volatiles attract herbivore insects and have shown to have good potential to be exploited as alternatives or supplements to sex pheromones. To explore this possibility in carob moth, we assessed the attraction of moths to the volatiles of mature pistachio and different fruit stages of pomegranate, alone and in combination with virgin females, using sticky delta traps in pomegranate orchards of Iran...
September 6, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28958542/influence-of-enzymatic-hydrolysis-on-the-allergenic-reactivity-of-processed-cashew-and-pistachio
#14
Carmen Cuadrado, Hsiaopo Cheng, Africa Sanchiz, Isabel Ballesteros, Michael Easson, Casey C Grimm, M Carmen Dieguez, Rosario Linacero, Carmen Burbano, Soheila J Maleki
Cashew and pistachio allergies are considered a serious health problem. Previous studies have shown that thermal processing, pressurization and enzymatic hydrolysis may reduce the allergenic properties of food by changing the protein structure. This study assesses the allergenic properties of cashew and pistachio after thermal treatment (boiling and autoclaving), with or without pressure (autoclaving), and multiple enzymatic treatments under sonication, by SDS-PAGE, western blot and ELISA, with serum IgE of allergic individuals, and mass spectroscopy...
February 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28946322/determination-of-acetamiprid-imidacloprid-and-spirotetramat-and-their-relevant-metabolites-in-pistachio-using-modified-quechers-combined-with-liquid-chromatography-tandem-mass-spectrometry
#15
Mohammad Faraji, Roya Noorbakhsh, Hooshang Shafieyan, Mohammadkazem Ramezani
A QuEChERS based methodology was developed for the simultaneous identification and quantification of acetamiprid, imidacloprid, and spirotetramat and their relevant metabolites in pistachio by liquid chromatography-tandem mass spectrometry for the first time. First, sample extraction was done with MeCN:citrate buffer:NaHCO3 followed by phase separation with the addition of MgSO4:NaCl. The supernatant was then cleaned by a primary-secondary amine (PSA), GCB, and MgSO4. The proposed method provides a linearity in the range of 5-200µgL(-1), and the linear regression coefficients were higher than 0...
February 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28946268/pistachio-oil-pistacia-vera-l-cv-uzun-characterization-of-key-odorants-in-a-representative-aromatic-extract-by-gc-ms-olfactometry-and-phenolic-profile-by-lc-esi-ms-ms
#16
Ahmet Salih Sonmezdag, Hasim Kelebek, Serkan Selli
Volatile, aroma-active, and phenolic compounds of pistachio oil obtained from cv. Uzun were investigated in the current study. To obtain a representative aromatic extract, three of the most widely used extraction methods were compared using a representative test; the solvent-assisted flavour extraction (SAFE) aromatic extract from pistachio oil was found to be the most representative. A total of 50 aroma compounds were determined in pistachio oil and it was found that terpenes, aldehydes, and alcohols were the most abundant volatile compounds...
February 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28946247/composition-and-properties-of-virgin-pistachio-oils-and-their-by-products-from-different-cultivars
#17
Rosa M Ojeda-Amador, Giuseppe Fregapane, María Desamparados Salvador
Pistachios (Pistacia vera) exhibit an interesting nutritional value, due to the high content of oleic acid and minor components with antioxidant and bioactive properties. This work aimed to characterize pistachio virgin oils and their partially defatted residual cakes, obtained from eight cultivars (Aegina, Avdat, Kastel, Kerman, Larnaka, Mateur, Napoletana, and Sirora). Interesting results on phenolics, tocopherols and antioxidant activity were observed, which were greatly affected by variety. Pistachio virgin oils are rich in healthy oleic acid (55-74%), phytosterols (3200-7600mg/kg) and γ-tocopherol (550-720mg/kg)...
February 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28946239/characterization-of-phospholipid-profiles-in-six-kinds-of-nut-using-hilic-esi-it-tof-ms-system
#18
Shuang Song, Ling-Zhi Cheong, Hui Wang, Qing-Qing Man, Shao-Jie Pang, Yue-Qi Li, Biao Ren, Zhu Wang, Jian Zhang
Nuts, a class of fatty natural food, are associated with a series of health benefit. Lipid, which is the most abundant nutrient in nuts, could be one of the major contributors to many beneficial effects. In previous studies, only the composition of fatty acids was investigated. To better understand the nutritional value of nuts, phospholipids (PLs), with widely confirmed bioactivities, should be profiled as well. In this work, a HILIC-ESI-IT-TOF-MS system is applied to characterize PL profiles in six kinds of nut, including almonds, cashews, pecans, pistachios, walnuts and peanuts...
February 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28928068/pistachio-hull-water-soluble-polysaccharides-as-a-novel-prebiotic-agent
#19
Safoura Akbari-Alavijeh, Sabihe Soleimanian-Zad, Mahmoud Sheikh-Zeinoddin, Sarwar Hashmi
We isolated and characterized pistachio hull polysaccharides (PHP). The PHP was a heteropolysaccharide mainly contained 75.50% (w/w) total sugar and 9.51% (w/w) uronic acid. As determined by GPC analysis, the polysaccharide with a molecular weight of 3.71×10(6) D (83.2%) was the most dominant fraction. Moreover, HPLC analysis indicated that PHP was predominantly composed of xylose, glucose, arabinose, and fructose with a molar ratio of 1.00:2.50:19.67:28.81. FT-IR and NMR analysis also confirmed the results obtained by HPLC and characterized preliminary structure features of the PHP...
September 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28925724/pistachio-nut-allergy-an-updated-overview
#20
Joana Costa, Isa Silva, António A Vicente, M Beatriz P P Oliveira, Isabel Mafra
Pistachio nut (Pistacia vera) is highly appreciated for its organoleptic characteristics and potential health benefits. However, this tree nut is also responsible for triggering moderate to severe IgE-mediated reactions in allergic individuals. Currently, pistachio nut allergy has gained some special attention, mainly due to its intrinsic relation with cashew nut allergy. Like for other nuts, the prevalence of pistachio nut allergy seems to be increasing at a global scale. Until now, there are five allergenic proteins officially listed for pistachio nut (Pis v 1, Pis v 2, Pis v 3, Pis v 4 and Pis v 5)...
September 19, 2017: Critical Reviews in Food Science and Nutrition
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