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https://www.readbyqxmd.com/read/28510721/cold-tolerance-of-pityophthorus-juglandis-coleoptera-scolytidae-from-northern-california
#1
Andrea R Hefty, Steven J Seybold, Brian H Aukema, Robert C Venette
Winter survivorship of insects is determined by a combination of physiological, behavioral, and microhabitat characteristics. We characterized the cold tolerance of the walnut twig beetle, Pityophthorus juglandis Blackman, a domestic alien invasive bark beetle that vectors a phytopathogenic fungus. The beetle and fungus cause thousand cankers disease in species of Juglans and Pterocarya. The disease is spreading in the United States of America (USA) and Italy. Contact thermocouple thermometry was used to measure the supercooling points of adults and larvae and lower lethal temperatures of adults from a population from northern California...
May 16, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28505879/nitrogen-utilization-and-environmental-losses-in-organic-greenhouse-lettuce-amended-with-two-distinct-biochars
#2
Engil Isadora Pujol Pereira, Rafaela Feola Conz, Johan Six
The potential of biochar to prevent nitrogen (N) losses and improve plant performance were studied across various levels of N input for two growing seasons in mesocosms simulating an organic lettuce production system. A silt loam soil was amended with pine chip (PC) and walnut shell (WS) biochar (10tha(-1)) in combination with five organic N fertilization rates (0, 56, 112, 168, and 225kgNha(-1)). The N output through harvest, leachate, and N2O emissions were measured to assess N utilization and environmental losses of biochar-amended soils...
May 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28498991/population-differentiation-in-common-walnut-juglans-regia-l-across-major-parts-of-its-native-range-insights-from-molecular-and-morphometric-data
#3
Wladimir Roor, Heino Konrad, Davletbek Mamadjanov, Thomas Geburek
Juglans regia is an economically highly important species for fruit and wood production in the warm temperate and subtropical zones of the Northern Hemisphere. Besides the natural influence of climatic and geomorphological barriers, its genetic structure has been strongly modified by humans and the population history is still unclear. For this reason, we investigated mainly natural walnut populations across the Eurasian continent on a molecular (44 populations, 581 trees) and morphometric level (23 populations, 1391 ripe nuts)...
June 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28493432/phenol-metabolism-and-preservation-of-fresh-in-hull-walnut-stored-in-modified-atmosphere-packaging
#4
Jin Wang, Pan Li, Bi Gong, Huiling Ma
BACKGROUND: The effects of modified atmosphere packaging (MAP) on phenol metabolism and preservation of fresh in-hull walnuts have been investigated. Fruits were packaged under MAP1 (film thickness, 30 µm ), MAP2 (45 µm), and MAP3 (50 µm) stored at -0.5 to 1.0 °C for up to 60 days. RESULTS: Firmness, soluble solid concentration (SSC), total phenols, total flavonoids, and total antioxidant activity of the green hull were maintained at higher levels under the MAP conditions, while decay incidence was lower than in control during storage...
May 11, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28490125/colour-and-in-vitro-quality-attributes-of-walnuts-from-different-growing-conditions-correlate-with-key-precursors-of-primary-and-secondary-metabolism
#5
Claudia Fuentealba, Ignacia Hernández, Sebastian Saa, Lea Toledo, Pamela Burdiles, Rosana Chirinos, David Campos, Patrick Brown, Romina Pedreschi
Walnuts (Juglans regia L.) are well known for their flavour, nutritional and health properties. The light colour of walnuts is a quality attribute that leads to consumer preference. The aim of this study was to correlate attributes such as colour and antioxidant capacity with the precursors of primary and secondary metabolism. Two growing areas and four different colours of walnuts cv. Chandler from the central region of Chile were evaluated. Walnuts grown in the zone with Andes Mountains influence showed higher (p<0...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28488463/in-situ-biogas-upgrading-during-anaerobic-digestion-of-food-waste-amended-with-walnut-shell-biochar-at-bench-scale
#6
Jessica L Linville, Yanwen Shen, Patricia A Ignacio-de Leon, Robin P Schoene, Meltem Urgun-Demirtas
A modified version of an in-situ CO2 removal process was applied during anaerobic digestion of food waste with two types of walnut shell biochar at bench scale under batch operating mode. Compared with the coarse walnut shell biochar, the fine walnut shell biochar has a higher ash content (43 vs. 36 wt%) and higher concentrations of calcium (31 vs. 19 wt% of ash), magnesium (8.4 vs. 5.6 wt% of ash) and sodium (23.4 vs. 0.3 wt% of ash), but a lower potassium concentration (0.2 vs. 40% wt% of ash). The 0.96-3...
May 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28480855/plant-aeroallergens-in-two-major-cities-of-georgia-tbilisi-and-kutaisi
#7
T Abramidze, M Gotua, N Chikhelidze, T Cheishvili, A Gamkrelidze
Pollen allergy is caused by a hypersensitivity reaction mainly of the respiratory tract and eye conjunctivae to pollen grains. The number of people allergic to plant aeroallergens has substantially increased in big cities and industrial areas. The monitoring of aerobiological parameters is of paramount importance for the characterization of allergenic risks. The aims of presented study were as follows: to profile the plant aeroallergens in two major cities of Georgia, to compare the character of pollination curves, to determine the dates of beginning of pollen seasons and their duration in particular cities...
March 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28467951/toxicity-of-the-bionematicide-1-4-naphthoquinone-on-non-target-soil-organisms
#8
S Chelinho, C M N Maleita, R Francisco, M E M Braga, M J M da Cunha, I Abrantes, H C de Sousa, P V Morais, J P Sousa
The main goal of the present study was to evaluate the ecotoxicological effects of 1,4-naphthoquinone (1,4-NTQ), a natural-origin compound presenting nematicidal activity, that can be obtained from walnut husk, in plants and soil invertebrates, including non-target soil nematode communities. This research was part of an ongoing project that aims to develop environmentally-friendly nematicides obtained from agricultural residues. The battery of ISO tests included emergence and growth of corn (Zea mays) and rape (Brassica napus); avoidance with the earthworm Eisenia andrei and the collembolan Folsomia candida; and reproduction with the previous species plus the enchytraeid Enchytraeus crypticus...
April 21, 2017: Chemosphere
https://www.readbyqxmd.com/read/28463801/anti-cancer-activity-of-myricetin-against-human-papillary-thyroid-cancer-cells-involves-mitochondrial-dysfunction-mediated-apoptosis
#9
Tae Kwun Ha, Inae Jung, Mi Eun Kim, Sung Kwon Bae, Jun Sik Lee
Thyroid cancer is the most common endocrine malignancy and can range in severity from relatively slow-growing occult differentiated thyroid cancer to uniformly aggressive and fatal anaplastic thyroid cancer. A subset of patients with papillary thyroid cancer present with aggressive disease that is refractory to conventional treatment. Myricetin is a flavonol compound found in a variety of berries as well as walnuts and herbs. Previous studies have demonstrated that myricetin exhibits anti-cancer activity against several tumor types...
April 29, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28461822/ige-mediated-food-allergies-in-children-prevalence-triggers-and-management
#10
REVIEW
Sooyoung Lee
Food allergy (FA) is a serious health problem, and severe FA such as food-induced anaphylaxis can often be life threatening. The incidence of FA has been increasing especially in children. They usually develop early in life and affect up to 10% of children. The 2 most common food allergens worldwide are milk and eggs, while the third one varies depending on the countries: peanuts in the United States and Switzerland, wheat in Germany and Japan, tree nuts in Spain, sesame in Israel, and walnuts in Korea. These common food allergens are different and difficult to identify because of differing study methodologies, population, geography, age, and dietary exposure patterns...
April 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28460952/compositional-evaluation-of-selected-agro-industrial-wastes-as-valuable-sources-for-the-recovery-of-complex-carbohydrates
#11
Aleksandra Vojvodić, Draženka Komes, Irena Vovk, Ana Belščak-Cvitanović, Arijana Bušić
Re-utilization of various agro-industrial wastes is of growing importance from many aspects. Considering the variety and complexity of such materials, compositional data and compliant methodology is still undergoing many updates and improvements. Present study evaluated sugar beet pulp (SBP), walnut shell (WS), cocoa bean husk (CBH), onion peel (OP) and pea pods (PP) as potentially valuable materials for carbohydrate recovery. Macrocomponent analyses revealed carbohydrate fraction as the most abundant, dominating in dietary fibres...
November 2016: Food Research International
https://www.readbyqxmd.com/read/28457654/effect-of-nut-consumption-on-vascular-endothelial-function-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#12
Yunjun Xiao, Wei Huang, Chaoqiong Peng, Jinzhou Zhang, Carmen Wong, Jean H Kim, Eng-Kiong Yeoh, Xuefen Su
OBJECTIVE: nut consumption has consistently been found to be associated with a reduced risk of cardiovascular diseases (CVD) and mortality in prospective studies. However, its effect on endothelial function, a prognostic marker of CVD, is still controversial in clinical trials. This meta-analysis of randomized controlled trials (RCTs) aimed to quantitatively assess the effect of nuts on vascular endothelial function. METHODS: Major electronic databases were searched for published RCTs that reported the effect of nuts on flow mediated dilation (FMD) as a measurement of endothelial function in the adult population (age eighteen years or over)...
April 20, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28451868/juglone-alleviates-pneumolysin-induced-human-alveolar-epithelial-cell-injury-via-inhibiting-the-hemolytic-activity-of-pneumolysin
#13
Meng Song, Gejin Lu, Meng Li, Xuming Deng, Jianfeng Wang
Streptococcus pneumoniae (the pneumococcus) is an opportunistic pathogen responsible for several human diseases, including acute otitis media, pneumonia, sepsis and bacterial meningitis, and possesses numerous virulence factors associated with pneumococcal infection and pathogenesis. With the capacity to form pores in cholesterol-rich membranes, pneumolysin (PLY) is a key virulence factor of S. pneumoniae and causes severe tissue damage during pneumococcal infection. Juglone (JG), a natural 1,4-naphthoquinone widely found in the roots, leaves, woods and fruits of Juglandaceae walnut trees, inhibits PLY-induced hemolysis via inhibition of the oligomerization of PLY and exhibits minimal anti-S...
April 27, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28437741/use-of-nuclear-receptor-luciferase-based-bioassays-to-detect-endocrine-active-chemicals-in-a-biosolids-biochar-amended-soil
#14
Carolyn G Anderson, Geetika Joshi, Daniel A Bair, Charlotte Oriol, Guochun He, Sanjai J Parikh, Michael S Denison, Kate M Scow
Biosolids are a potentially valuable source of carbon and nutrients for agricultural soils; however, potential unintended impacts on human health and the environment must be considered. Virtually all biosolids contain trace amounts endocrine-disrupting chemicals derived from human use of pharmaceuticals and personal care products (PPCPs). One potential way to reduce the bioavailability of PPCPs is to co-apply biosolids with biochar to soil, because biochar's chemical (e.g., aromaticity) and physical properties (e...
April 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28418055/application-of-machine-statistical-learning-artificial-intelligence-and-statistical-experimental-design-for-the-modeling-and-optimization-of-methylene-blue-and-cd-ii-removal-from-a-binary-aqueous-solution-by-natural-walnut-carbon
#15
H Mazaheri, M Ghaedi, M H Ahmadi Azqhandi, A Asfaram
Analytical chemists apply statistical methods for both the validation and prediction of proposed models. Methods are required that are adequate for finding the typical features of a dataset, such as nonlinearities and interactions. Boosted regression trees (BRTs), as an ensemble technique, are fundamentally different to other conventional techniques, with the aim to fit a single parsimonious model. In this work, BRT, artificial neural network (ANN) and response surface methodology (RSM) models have been used for the optimization and/or modeling of the stirring time (min), pH, adsorbent mass (mg) and concentrations of MB and Cd(2+) ions (mg L(-1)) in order to develop respective predictive equations for simulation of the efficiency of MB and Cd(2+) adsorption based on the experimental data set...
April 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28401378/protective-effect-of-juglans-regia-l-walnut-extract-against-oxidative-dna-damage
#16
Cinzia Calcabrini, Roberta De Bellis, Umberto Mancini, Luigi Cucchiarini, Vilberto Stocchi, Lucia Potenza
Walnuts (Juglans regia L.) are relevant components of the Mediterranean diet providing important macronutrients, micronutrients and other bioactive constituents including unsaturated fatty acids, proteins, fiber, vitamins, minerals, phytosterols and polyphenols. Although the walnut beneficial effects in human health are widely recognized by a lot of epidemiologic studies very little is known regarding its effect on damaged DNA. The aim of the present study was to investigate the effect of Juglans regia L. ethanolic extract from kernel on the induction of DNA strand breaks by thiol/Fe(3+)/O2 mixed function oxidase, tert-butyl hydroperoxide or UVC radiations in acellular and cellular models...
April 11, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28397379/b-fahf-2-plus-oral-immunotherapy-oit-is-safer-and-more-effective-than-oit-alone-in-a-murine-model-of-concurrent-peanut-tree-nut-allergy
#17
Kamal D Srivastava, Ying Song, Nan Yang, Changda Liu, Ilan E Goldberg, Anna Nowak-Węgrzyn, Hugh A Sampson, Xiu-Min Li
BACKGROUND: Concurrent sensitization to peanut (PN) and tree nuts (TN), the most dangerous food allergies, is common. Current oral immunotherapy (OIT) is not fully satisfactory. OBJECTIVE: To determine if the herbal formula B-FAHF-2 (BF2) ameliorates PN/TN OIT adverse reactions and enhances persistence of a tolerant state. METHODS: Concurrently sensitized peanut, walnut (WN) and cashew (CSH) allergic mice received 1 day PN/WN/CSH rush OIT plus 3 weeks of maintenance dosing, with or without 3-weeks prior and 3-weeks BF2 co-treatment...
April 11, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28394361/effects-of-walnut-oil-on-lipid-profiles-in-hyperlipidemic-type-2-diabetic-patients-a-randomized-double-blind-placebo-controlled-trial
#18
M J Zibaeenezhad, P Farhadi, A Attar, A Mosleh, F Amirmoezi, A Azimi
BACKGROUND: The role of herbal medicine is now well documented in preventing and controlling diabetes mellitus. The main aim of this study was to evaluate the effects of walnut oil consumption on lipid profiles of hyperlipidemic patients with type 2 diabetes. METHODS: In a randomized, double-blind, placebo-controlled clinical trial, 100 hyperlipidemic type 2 diabetic patients aged 35-75 years were assigned to receive 15 cc Persian walnut oil or placebo every day for 90 days...
April 10, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28374545/identification-of-walnut-husk-juglans-regia-l-volatiles-and-the-behavioral-response-of-the-invasive-walnut-husk-fly-rhagoletis-completa-cresson
#19
Landry Sarles, Antoine Boullis, Bérénice Fassotte, Georges Lognay, Agnès Verhaeghe, Frédéric Francis, François J Verheggen
BACKGROUND: Several European countries are important walnut (Juglans regia L.) producers. However, these countries must contend with the recent introduction of the Walnut Husk Fly, Rhagoletis completa Cresson (Diptera, Tephritidae), which is causing severe economic losses, especially in organic production. Because most Tephritid fruit flies use kairomones in their search for host plants, we hypothesize that this highly specialist species orients toward the volatile blend released by walnut husks...
April 3, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28373432/myricetin-induces-apoptosis-of-human-anaplastic-thyroid-cancer-cells-via-mitochondria-dysfunction
#20
Sunhyo Jo, Tae Kwun Ha, Sang-Hun Han, Mi Eun Kim, Inae Jung, Hee-Woo Lee, Sung Kwon Bae, Jun Sik Lee
AIM: Thyroid cancer is the most common endocrine malignancy, with an increasing incidence worldwide. Most thyroid cancers are well differentiated and have a favorable outcome. However, undifferentiated thyroid cancers are one of the most lethal human malignancies. Anaplastic thyroid cancer (ATC) accounts for 2% of all thyroid cancers, and its median survival rate is low. ATC is responsible for more than one-third of thyroid cancer-related deaths. Myricetin is a flavonol compound found in walnuts, herbs, and various berries and is known to induce apoptotic death of various types of cancer cells...
April 2017: Anticancer Research
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