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https://www.readbyqxmd.com/read/28226285/drying-and-decontamination-of-raw-pistachios-with-sequential-infrared-drying-tempering-and-hot-air-drying
#1
Chandrasekar Venkitasamy, Maria T Brandl, Bini Wang, Tara H McHugh, Ruihong Zhang, Zhongli Pan
Pistachio nuts have been associated with outbreaks of foodborne disease and the industry has been impacted by numerous product recalls due to contamination with Salmonella enterica. The current hot air drying of pistachios has low energy efficiency and drying rates, and also does not guarantee the microbial safety of products. In the study described herein, dehulled and water-sorted pistachios with a moisture content (MC) of 38.14% (wet basis) were dried in a sequential infrared and hot air (SIRHA) drier to <9% MC...
February 9, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28213013/time-course-of-germination-initiation-of-mycelium-proliferation-and-probability-of-visible-growth-and-detectable-afb1-production-of-an-isolate-of-aspergillus-flavus-on-pistachio-extract-agar
#2
Laila Aldars-García, Vicente Sanchis, Antonio J Ramos, Sonia Marín
The aim of this work was to assess the temporal relationship among quantified germination, mycelial growth and aflatoxin B1 (AFB1) production from colonies coming from single spores, in order to find the best way to predict as accurately as possible the presence of AFB1 at the early stages of contamination. Germination, mycelial growth, probability of growth and probability of AFB1 production of an isolate of Aspergillus flavus were determined at 25 °C and two water activities (0.85 and 0.87) on 3% Pistachio Extract Agar (PEA)...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28208784/lutein%C3%A2-and%C3%A2-zeaxanthin-food%C3%A2-sources-%C3%A2-bioavailability%C3%A2-and%C3%A2-dietary%C3%A2-variety%C3%A2-in%C3%A2-age-related%C3%A2-macular%C3%A2-degeneration%C3%A2-protection
#3
REVIEW
Bronwyn Eisenhauer, Sharon Natoli, Gerald Liew, Victoria M Flood
Lutein and zeaxanthin (L/Z) are the predominant carotenoids which accumulate in the retina of  the eye. The impact of L/Z intake on the risk and progression of age-related macular degeneration (AMD),  a leading cause of blindness in the developed world, has been investigated in cohort studies and clinical  trials. The aims of this review were to critically examine the literature and evaluate the current evidence  relating to L/Z intake and AMD, and describe important food sources and factors that increase the  bioavailability of L/Z, to inform dietary models...
February 9, 2017: Nutrients
https://www.readbyqxmd.com/read/28191338/accelerated-burn-wound-closure-in-mice-with-a-new-formula-based-on-traditional-medicine
#4
Mehrnaz Mehrabani, Seyyed Mohsen Seyyedkazemi, Mohammad Hadi Nematollahi, Elham Jafari, Mitra Mehrabani, Mohammad Mehdipour, Zahra Sheikhshoaee, Ali Mandegary
BACKGROUND: A combination of the oils of sesame, hemp, wild pistachio, and walnut has been used for treatment of skin disorders, including wound burns, in some parts of Kerman, Iran. Evaluation of this remedy in the form of a pharmaceutical formulation in animal models can pave the way for its future application in wound burn healing in humans. OBJECTIVES: This experimental study investigated the healing potential of a new formula (NF) based on folk medicine from Iran for the treatment of third degree burns in mice...
November 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28169125/intensification-of-delignification-and-subsequent-hydrolysis-for-the-fermentable-sugar-production-from-lignocellulosic-biomass-using-ultrasonic-irradiation
#5
Preeti B Subhedar, Pearl Ray, Parag R Gogate
The present work deals with intensification of delignification and subsequent enzymatic hydrolysis of sustainable biomass such as groundnut shells, coconut coir and pistachio shells using ultrasound assisted approach so as to develop an economical approach for obtaining bioethanol. Process intensification, in the current context, is referred to as any improvements giving enhanced rates possibly with lower energy and chemical as well as enzyme requirement for delignification and hydrolysis respectively. Conventional processing for both delignification and enzymatic hydrolysis has also been investigated for establishing the degree of intensification...
January 21, 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28122479/photoprotection-by-pistachio-bioactives-in-a-3-dimensional-human-skin-equivalent-tissue-model
#6
C-Y Oliver Chen, Avi Smith, Yuntao Liu, Peng Du, Jeffrey B Blumberg, Jonathan Garlick
Reactive oxygen species (ROS) generated during ultraviolet (UV) light exposure can induce skin damage and aging. Antioxidants can provide protection against oxidative injury to skin via "quenching" ROS. Using a validated 3-dimensional (3D) human skin equivalent (HSE) tissue model that closely mimics human skin, we examined whether pistachio antioxidants could protect HSE against UVA-induced damage. Lutein and γ-tocopherol are the predominant lipophilic antioxidants in pistachios; treatment with these compounds prior to UVA exposure protected against morphological changes to the epithelial and connective tissue compartments of HSE...
January 25, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28024391/silo-stored-pistachios-at-varying-humidity-levels-produce-distinct-volatile-biomarkers
#7
John J Beck, Denis S Willett, Noreen E Mahoney, Wai S Gee
Fungal-contaminated tissues are known to produce volatile profiles that are different from uncontaminated tissues. Fungi require certain water activity levels before growth can occur. For nonxerophilic fungi, a water activity of 0.85 is typical for growth, and for extreme xerophilic fungi, the water activity can be as low as 0.64. Recent investigations with stored pistachios (kernels in shell, no hull tissue) at varying relative humidities showed differences among the collected volatile profiles at the tested humidities (ambient, 63, 75, and 84%)...
January 11, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28003838/anxiolytic-like-effect-of-hydroalcoholic-extract-of-ripe-pistachio-hulls-in-adult-female-wistar-rats-and-its-possible-mechanisms
#8
Mohammad Rostampour, Elham Hadipour, Shahrbano Oryan, Bahram Soltani, Farshid Saadat
The present study was designed to study the preventive effect of hydroalcoholic extract of ripe pistachio hulls (RPH) in the elevated plus maze model of anxiety. One hundred twenty female wistar rats in their estrous cycle were divided into 15 groups of 8 each and received various concentrations of hydroalcoholic extract of RPH except the control groups. Elevated plus maze was used to measure the level of anxiety. Percentage of time spent in the open arms (%OAT), percentage of the number of entries into the open arms (%OAE), locomotor activity, and time spent in the closed arms (CAT), and the number of entries in to the closed arms (CAE) were measured and compared...
December 2016: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27988607/molecular-and-morphological-identification-of-%C3%A2-pistachio-armored-scale-insects-hemiptera-diaspididae-with-description-of-a-new-species
#9
Fatemeh Hosseininaveh, Jamasb Nozari, Mehmet Bora Kaydan, Vahid Hosseininaveh
Members of the family Diaspididae (Hemiptera: Coccomorpha) can be devastating pests that suck parenchyma cell contents from crops and cause severe damage to pistachio trees (Pistacia vera L.). The current research collected and characterized diaspidid species from pistachio orchards in Kerman province, Iran, according to their morphological and molecular features. Lepidosaphes pistaciae Archangelskaya, Suturaspis davatchi (Balachowsky & Kaussari) and Melanaspis inopinata (Leonardi) are redescribed and a new species, Melanaspis pistaciae Hosseininaveh & Kaydan sp...
December 1, 2016: Zootaxa
https://www.readbyqxmd.com/read/27979196/b-vitamins-carotenoids-and-%C3%AE-%C3%AE-tocopherol-in-raw-and-roasted-nuts
#10
Wolfgang Stuetz, Wiebke Schlörmann, Michael Glei
The concentrations of B-vitamins, carotenoids and tocopherols in nuts may differ between species and might be influenced by roasting. Thiamine, riboflavin, pyridoxine, lutein, zeaxanthin, β-carotene and α-/γ-tocopherol were determined in different varieties of raw and roasted nuts using HPLC (fluorescence/UV-vis detection). The analysis revealed remarkable concentrations of thiamine and pyridoxine in pistachios (57%, 79% of the recommended daily intake/100g (RDI), respectively) and riboflavin in almonds (119% of the RDI)...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27979139/fast-uplc-pda-determination-of-squalene-in-sicilian-p-d-o-pistachio-from-bronte-optimization-of-oil-extraction-method-and-analytical-characterization
#11
Andrea Salvo, Giovanna Loredana La Torre, Vita Di Stefano, Valentina Capocchiano, Valentina Mangano, Emanuele Saija, Vito Pellizzeri, Katia Erminia Casale, Giacomo Dugo
A fast reversed-phase UPLC method was developed for squalene determination in Sicilian pistachio samples that entry in the European register of the products with P.D.O. In the present study the SPE procedure was optimized for the squalene extraction prior to the UPLC/PDA analysis. The precision of the full analytical procedure was satisfactory and the mean recoveries were 92.8±0.3% and 96.6±0.1% for 25 and 50mgL(-1) level of addition, respectively. Selected chromatographic conditions allowed a very fast squalene determination; in fact it was well separated in ∼0...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27979117/structure-of-starch-aerogel-as-affected-by-crosslinking-and-feasibility-assessment-of-the-aerogel-for-an-anti-fungal-volatile-release
#12
Negar Abhari, Ashkan Madadlou, Ali Dini
Starch suspensions were crosslinked with trisodium citrate for either 0 or 17h, gelled and then freeze-dried to corresponding aerogels. The aerogel from the 17h-crosslinked suspension was loaded with the antifungal compound, trans-2-hexenal, and coated with the surfactant, sorbitan monooleate. Aerogel hardness was increased by the citrate-mediated crosslinking, whereas its adhesiveness decreased. Starch gelation decreased the crystallinity index (CrI) from 59% to ≈23%; however, the pre-gelation crosslinking resulted in a higher CrI value (i...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27960286/differentiation-of-volatile-profiles-from-stockpiled-almonds-at-varying-relative-humidity-levels-using-benchtop-and-portable-gc-ms
#13
John J Beck, Denis S Willett, Wai S Gee, Noreen E Mahoney, Bradley S Higbee
Contamination by aflatoxin, a toxic metabolite produced by Aspergillus fungi ubiquitous in California almond and pistachio orchards, results in millions of dollars of lost product annually. Current detection of aflatoxin relies on destructive, expensive, and time-intensive laboratory-based methods. To explore an alternative method for the detection of general fungal growth, volatile emission profiles of almonds at varying humidities were sampled using both static SPME and dynamic needle-trap SPE followed by benchtop and portable GC-MS analysis...
December 14, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27940413/single-vs-multiple-spore-inoculum-effect-on-growth-kinetic-parameters-and-modeled-probabilities-of-growth-and-aflatoxin-b1-production-of-aspergillus-flavus-on-pistachio-extract-agar
#14
Laila Aldars-García, Vicente Sanchis, Antonio J Ramos, Sonia Marín
The objective of the present study was to assess the differences in modeled growth/AFB1 production probability and kinetic growth parameters for Aspergillus flavus inoculated as single spores or in a concentrated inoculation point (~500 spores). The experiment was carried out at 25°C and at two water activities (0.85 and 0.87) on pistachio extract agar (3%). Binary data obtained from growth and AFB1 studies were modeled using linear logistic regression analysis. The radial growth curve for each colony was fitted to a linear model for the estimation of the lag phase for growth and the mycelial growth rate...
February 21, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27925034/formulation-and-in-vitro-evaluation-of-carbopol-934-based-modified-clotrimazole-gel-for-topical-application
#15
Muhammad Ubaid, Sadaf Ilyas, Sadullah Mir, Abida K Khan, Rehana Rashid, Muhammad Z U Khan, Zainab G Kanwal, Ahmad Nawaz, Amna Shah, Ghulam Murtaza
The aim of present study was to enhance topical permeation of clotrimazole gel preparation by using various permeability enhancers such as coconut oil, pistachio oil and sodium lauryl sulphate (SLS). Clotrimazole gel preparations were prepared and optimized by using three factor, five level central composite design. A second-order polynomial equation was generated in order to estimate the effect of independent variables i.e. coconut oil (X1), pistachio oil (X2) and sodium lauryl sulphate (X3) at various dependent variables i...
October 2016: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/27923352/genome-survey-of-pistachio-pistacia-vera-l-by-next-generation-sequencing-development-of-novel-ssr-markers-and-genetic-diversity-in-pistacia-species
#16
Elmira Ziya Motalebipour, Salih Kafkas, Mortaza Khodaeiaminjan, Nergiz Çoban, Hatice Gözel
BACKGROUND: Pistachio (Pistacia vera L.) is one of the most important nut crops in the world. There are about 11 wild species in the genus Pistacia, and they have importance as rootstock seed sources for cultivated P. vera and forest trees. Published information on the pistachio genome is limited. Therefore, a genome survey is necessary to obtain knowledge on the genome structure of pistachio by next generation sequencing. Simple sequence repeat (SSR) markers are useful tools for germplasm characterization, genetic diversity analysis, and genetic linkage mapping, and may help to elucidate genetic relationships among pistachio cultivars and species...
December 7, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27855878/nanoliposomal-carriers-for-improvement-the-bioavailability-of-high-valued-phenolic-compounds-of-pistachio-green-hull-extract
#17
Zahra Rafiee, Mohsen Barzegar, Mohammad Ali Sahari, Behnoush Maherani
In present study, nanoliposomes were prepared by thin hydration method with different concentrations of phenolic compounds (500, 750 and 1000ppm) of pure extract and lecithin (1, 2 and 3%w/w) and characterized by considering the particle size, polydispersity index (PDI), zeta potential, encapsulation efficiency (EE) and morphology. The results showed that nanoliposome (90.39-103.78nm) had negative surface charge varied from -51.5±0.9 to -40.2±0.2mV with a narrow size distribution (PDI≈0.069-0.123). Nanoliposomes composed of 1% lecithin with 1000ppm of phenolic compounds had the highest EE (52...
April 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27830538/physiology-of-hibernating-larvae-of-the-pistachio-twig-borer-kermania-pistaciella-amsel-lepidoptera-tineidae-collected-from-akbari-cultivar-of-pistacia-vera-l
#18
M Mollaei, H Izadi, S Moharramipour, E Behroozi Moghadam
The pistachio twig borer, Kermania pistaciella Amsel (Lepidoptera: Tineidae), a key pest of pistachio trees, is a monovoltine pest living inside the feeding tunnel of pistachio twigs for almost 10 months in a year and overwinters there as last instar larvae. In this study, we measured some physiological parameters of overwintering field collected larvae of the pest. There were no changes in trehalose, glucose, and myo-inositol contents, but there were differences in the levels of total simple sugar and glycogen during overwintering...
February 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/27813573/analysis-of-genetic-diversity-of-tunisian-pistachio-pistacia-vera-l-using-sequence-related-amplified-polymorphism-srap-markers
#19
K Guenni, M Aouadi, K Chatti, A Salhi-Hannachi
Sequence-related amplified polymorphism (SRAP) markers preferentially amplify open reading frames and were used to study the genetic diversity of Tunisian pistachio. In the present study, 43 Pistacia vera accessions were screened using seven SRAP primer pairs. A total of 78 markers was revealed (95.12%) with an average polymorphic information content of 0.850. The results suggest that there is strong genetic differentiation, which characterizes the local resources (GST = 0.307). High gene flow (Nm = 1.127) among groups was explained by the exchange of plant material among regions...
October 17, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27712103/monitoring-of-pistachio-pistacia-vera-ripening-by-high-field-nuclear-magnetic-resonance-spectroscopy
#20
Fabio Sciubba, Damiano Avanzato, Angela Vaccaro, Giorgio Capuani, Mariangela Spagnoli, Maria Enrica Di Cocco, Irina Nikolova Tzareva, Maurizio Delfini
The metabolic profiling of pistachio (Pistacia vera) aqueous extracts from two different cultivars, namely 'Bianca' and 'Gloria', was monitored over the months from May to September employing high field NMR spectroscopy. A large number of water-soluble metabolites were assigned by means of 1D and 2D NMR experiments. The change in the metabolic profiles monitored over time allowed the pistachio development to be investigated. Specific temporal trends of amino acids, sugars, organic acids and other metabolites were observed and analysed by multivariate Partial Least Squares (PLS) analysis...
April 2017: Natural Product Research
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