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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
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...
November 9, 2016: Neotropical Entomology
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
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...
October 7, 2016: Natural Product Research
Angelica Marsberg, Martin Kemler, Fahimeh Jami, Jan H Nagel, Alisa Postma-Smidt, Sanushka Naidoo, Michael J Wingfield, Pedro W Crous, Joseph Spatafora, Cedar N Hesse, Barbara Robbertse, Bernard Slippers
: Botryosphaeria dothidea is the type species of Botryosphaeria (Botryosphaeriaceae, Botryosphaeriales). Fungi residing in this order are amongst the most widespread and important canker and dieback pathogens of trees worldwide, with B. dothidea one of the most common species on a large number of hosts. Its taxonomic circumscription has undergone substantial change in the past decade, making it difficult to interpret the large volume of literature linked to the name B. dothidea. This pathogen profile synthesises the current understanding of B...
September 28, 2016: Molecular Plant Pathology
Eleonora Laura De Paola, Giuseppe Montevecchi, Francesca Masino, Davide Garbini, Martino Barbanera, Andrea Antonelli
Acrylamide is a carcinogenic and neurotoxic process contaminant that is generated from food components during heat treatment, while it is absent in raw foodstuffs. Its level in food arouses great concern. A method for acrylamide extraction and determination in dried fruits (dried prunes and raisins) and edible seeds (almonds, hazelnuts, peanuts, pine nuts, pistachios, and walnuts) using a QuEChERS-LC-ESI-MS-Triple Quadrupole approach was set up. Linearity, sensitivity, accuracy, and precision of the method were satisfactory...
February 15, 2017: Food Chemistry
S Ozturkoglu-Budak, C Akal, A Yetisemiyen
In this study, walnut, hazelnut, almond, and pistachio were incorporated to produce functional yogurt. The effects on physicochemical and instrumental textural characteristics, syneresis, folic acid, selenium, tocopherols, omega fatty acid contents, and viable counts of Streptococcus thermophilus and Lactobacillus bulgaricus were evaluated during storage. Fortified yogurts demonstrated higher protein and total solid contents and lower syneresis compared with control yogurt on d 21. Addition of nuts also increased S...
September 13, 2016: Journal of Dairy Science
Mary H Grace, Debora Esposito, Michael A Timmers, Jia Xiong, Gad Yousef, Slavko Komarnytsky, Mary Ann Lila
A comprehensive phytochemical analysis was conducted on pistachios to identify the differential contributions of skin and kernel phytochemicals to in vitro bioactivity. Qualitative and quantitative analyses of skin and kernel non-polar extracts (SNP and KNP, respectively) indicated that the major components are fatty acids (696.36 and 879.70 mg g(-1)), phytosterols (16.08 and 4.28 mg g(-1)), and γ-tocopherol (304.17 and 397.10 μg g(-1)). Analysis of the skin and kernel polar extracts (SP and KP, respectively) showed that skin accumulated higher levels of phenolic compounds, especially flavan-3-ols, compared to the kernel...
October 12, 2016: Food & Function
Robin Korte, Jens Brockmeyer
Food allergies have become a global challenge to food safety in industrialized countries in recent years. With governmental monitoring and legislation moving towards the establishment of threshold allergen doses, there is a need for sensitive and quantitative analytical methods for the determination of allergenic food contaminants. Targeted proteomics employing liquid chromatography-mass spectrometry (LC-MS) has emerged as a promising technique that offers increased specificity and reproducibility compared to antibody and DNA-based technologies...
November 2016: Analytical and Bioanalytical Chemistry
Brooke I Polk, Deendayal Dinakarpandian, Maya Nanda, Charles Barnes, Chitra Dinakar
BACKGROUND: Coconut (Cocos nucifera), despite being a drupe, was added to the US Food and Drug Administration list of tree nuts in 2006, causing potential confusion regarding the prevalence of coconut allergy among tree nut allergic patients. OBJECTIVE: To determine whether sensitization to tree nuts is associated with increased odds of coconut sensitization. METHODS: A single-center retrospective analysis of serum specific IgE levels to coconut, tree nuts (almond, Brazil nut, cashew, chestnut, hazelnut, macadamia, pecan, pistachio, and walnut), and controls (milk and peanut) was performed using deidentified data from January 2000 to August 2012...
October 2016: Annals of Allergy, Asthma & Immunology
Andrew L Robinson, Hyun Jung Lee, Dojin Ryu
Ochratoxin A (OTA) is a fungal metabolite and putative carcinogen which can contaminate a variety of foods such as cereals, wine, and nuts. Commercial ELISA kits are known to give false-positive results for OTA concentrations when phenolic compounds are present. Pistachios represent a food matrix rich in phenolic compounds potentially contaminated with OTA, and were used to model OTA cross-reactivity. Polyvinylpolypyrrolidone (PVPP) was incorporated during extraction of OTA using a commercial ELISA protocol...
January 1, 2017: Food Chemistry
Xiaoling Wang, Chuoyue Cheng, Chunling Ge, Bing Wang, Ye-Hua Gan
PURPOSE: To assess the acidogenic potential of eight different types of baked nuts or seeds eaten alone and after a sucrose challenge using in-dwelling electrode telemetry. METHODS: Six participants wearing a mandibular partial prosthesis incorporated with a miniature glass pH electrode were enrolled. The plaque pH was measured after 5 or 6 days of plaque accumulation. To establish a control, the subjects were instructed to rinse with sucrose, without any subsequent treatment, at the first visit...
June 2016: American Journal of Dentistry
Linda J Harris, Vanessa Lieberman, Rupinder P Mashiana, Edward Atwill, Mai Yang, Jeffrey C Chandler, Bledar Bisha, Thomas Jones
After harvest, pistachios are hulled with mechanical abrasion and then separated in a float tank containing water; the nuts that float (∼15%; floaters) and those that sink (∼85%; sinkers) are dried and stored separately. To determine the prevalence of Salmonella in pistachios, a total of 3,966 samples (1,032 floaters and 2,934 sinkers) were collected within 4 months of the 2010, 2011, and 2012 harvests from storage silos (12 samples from each silo, in most cases) and were stored at 4°C; 100-g subsamples were enriched for the presence of Salmonella...
August 2016: Journal of Food Protection
Lolita Kuršvietienė, Inga Stanevičienė, Aušra Mongirdienė, Jurga Bernatonienė
Resveratrol is mainly found in grapes and red wine, also in some plants and fruits, such as peanuts, cranberries, pistachios, blueberries and bilberries. Moreover, nowadays this compound is available as purified preparation and dietary supplement. Resveratrol provides a wide range of benefits, including cardiovascular protective, antiplatelet, antioxidant, anti-inflammatory, blood glucose-lowering and anticancer activities, hence it exhibits a complex mode of action. During the recent years, these properties have been widely studied in animal and human models, both in vitro and in vivo...
2016: Medicina
Jaime Samour, Janine Perlman, Jörg Kinne, Vijay Baskar, Ulrich Wernery, Gerry Dorrestein
This manuscript reports three independent accidental cases of vitamin (Vit) B6 toxicosis in gyrfalcons (Falco rusticolus) and peregrine falcons (Falco peregrinus) and a toxicology study that was conducted to characterize the clinical responses of gyrfalcons and gyrfalcon × peregrine falcons to a range of single intramuscular (IM) and oral (PO) doses of Vit B6. Both lethal and nonlethal doses were determined. Twelve female gyrfalcons died following IM injection of 1 ml of a vitamin B preparation. Within 30 min of injection, the birds passed pistachio green-colored urates and progressed to vomiting, anorexia, cessation of normal activity, ptosis, collapse, and death, occurring 24-36 hr post injections...
June 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Ling Ling, Maria B Ospina, Kyriaki Sideri, Harissios Vliagoftis
BACKGROUND: Food allergy is a common clinical problem in adults. Given logistical barriers to conducting food challenges, the use of skin prick test (SPT) and specific IgE (sIgE) are important in establishing the diagnosis. The purpose of this study is to investigate the agreement of SPT and sIgE results in adults presenting to an allergy clinic with suspected food allergy. METHODS: Retrospective analysis of medical records at the University of Alberta Allergy Clinic between September 2013 and May 2015 was performed...
2016: Allergy, Asthma, and Clinical Immunology
Marcela Lilian Martínez, María Paula Fabani, María Verónica Baroni, Rocío Nahime Magrini Huaman, Marcelo Ighani, Damián M Maestri, Daniel Wunderlin, Alejandro Tapia, Gabriela Egly Feresin
In order to searching a potential novel approach to pistachio utilization, the chemical and nutritional quality of oil and flour from natural, roasted, and salted roasted pistachios from Argentinian cultivars were evaluated. The pistachio oil has high contents of oleic and linoleic acid (53.5 - 55.3, 29 - 31.4 relative abundance, respectively), tocopherols (896 - 916 μg/g oil), carotenoids (48 - 56 μg/g oil) and chlorophylls (41 - 70 μg/g oil), being a good source for commercial edible oil production. The processing conditions did not affect significantly the fatty acid and minor composition of pistachio oil samples...
May 2016: Journal of Food Science and Technology
Mohammad Hayat, M Reza Mehrnejad
This paper deals with three species of Ooencyrtus Ashmead (Hymenoptera: Encyrtidae) obtained from eggs of the green stink bug, Brachynema germarii (Kolenati) (Hemiptera: Pentatomidae) infesting pistachio plants in Iran. Two new species, Ooencyrtus iranicus Hayat & Mehrnejad, sp. nov. and O. pistaciae Hayat & Mehrnejad, sp. nov., are described, and O. telenomicida (Vassiliev) is newly recorded from Iran, redescribed and illustrated. A key to some species considered similar to the species treated here is also given...
2016: Zootaxa
Barbod Safaei-Mahroo, Hanyeh Ghaffari, Steven C Anderson
We describe a new genus and species of gekkonid from two gravid specimens which were found within Koh-e Homag Protected Area, Hormozgan Province, southern Iran. The genus Parsigecko gen. nov. can be distinguished from other genera of Middle East Gekkonidae by a combination of the following characteristics: digits not dilated, dorsal tail covered with small scales without any tubercles or keels, having two strong keeled and pointed scales on each side of each annulus. Parsigecko ziaiei sp. nov. is a ground-dwelling lizard...
2016: Zootaxa
Pablo Hernández-Alonso, Simona Giardina, Jordi Salas-Salvadó, Pierre Arcelin, Mònica Bulló
PURPOSE: To assess the effects of a pistachio-enriched diet on the profile of circulating microRNAs (miRNAs) related to glucose metabolism and insulin resistance (IR). METHODS: Randomized crossover clinical trial in 49 subjects with prediabetes was performed. Subjects consumed a pistachio-supplemented diet (PD, 50 % carbohydrates, 33 % fat, including 57 g/day of pistachios) and an isocaloric control diet (CD, 55 % carbohydrates and 30 % fat) for 4 months each, separated by a 2-week washout period...
July 6, 2016: European Journal of Nutrition
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