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https://www.readbyqxmd.com/read/29345525/adsorption-of-lead-ion-from-aqueous-solution-by-modified-walnut-shell-kinetics-and-thermodynamics
#1
Shenmaishang Li, Zuoxiang Zeng, Weilan Xue
The novel modified walnut shell (WNS-MAH) with higher adsorption capacity for lead ion (carboxyl value, 2.77 mmol/g) was prepared by reacting walnut shell (WNS) with maleic anhydride. Both WNS and WNS-MAH were analysed by scanning electron microscope (SEM) and Fourier transform infrared (FTIR). The adsorption capacity of WNS-MAH for lead ion was evaluated at different adsorbent doses, pHs, time and temperatures. The adsorption kinetics and adsorption isotherms were investigated in the temperature range of 298-318K...
January 18, 2018: Environmental Technology
https://www.readbyqxmd.com/read/29338961/is-eosinophilic-esophagitis-an-equivalent-of-pollen-allergic-asthma-analysis-of-biopsies-and-therapy-guided-by-component-resolved-diagnosis
#2
A Armentia, S Martín-Armentia, B Martín-Armentia, J Santos-Fernández, R Álvarez, B Madrigal, D Fernández-González, S Gayoso, M J Gayoso
BACKGROUND: Eosinophilic esophagitis (EoE) is characterized by esophageal dysfunction and, histologically, by eosinophilic inflammation. There is not a clear etiologic treatment. Biopsies analysis using plant histology methods may show callose and pollen tubes in the esophageal mucosa. Component-resolved diagnosis (CRD) with microarrays could detect possible allergens involved and indicate an elimination diet and allergen immunotherapy (AIT). METHODS: One hundred and twenty-nine patients with EoE were tested for environmental and food allergens...
January 12, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29336147/urolithins-attenuate-lps-induced-neuroinflammation-in-bv2microglia-via-mapk-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways
#3
Jialin Xu, Chunhui Yuan, Guihua Wang, Jiaming Luo, Hang Ma, Li Xu, Yu Mu, Yuanyuan Li, Navindra P Seeram, Xueshi Huang, Liya Li
Emerging data suggest that urolithins, gut microbiota metabolites of ellagitannins, contribute toward multiple health benefits attributed to ellagitannin-rich foods, including walnuts, red raspberry, strawberry, and pomegranate. However, there is limited data on whether the potential neuroprotective effects of these ellagitannin-rich foods are mediated by urolithins. Herein, we evaluated the potential mechanisms of antineuroinflammatory effects of urolithins (urolithins A, B, and C; 8-methyl-O-urolithin A; and 8,9-dimethyl-O-urolithin C) in BV2 murine microglia in vitro...
January 16, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29332575/protective-role-of-italian-juglans-regia-l-nut-ethanolic-extract-in-human-keratinocytes-under-oxidative-and-inflammatory-stress
#4
Cinzia Calcabrini, Umberto Mancini, Roberta De Bellis, Alessandra Frati, Anna Rita Mastrogiacomo, Giosue Annibalini, Piero Sestili, Luigi Cucchiarini, Vilberto Stocchi, Lucia Potenza
OBJECTIVE: In this research, fatty acid profile and polyphenolic content of an ethanolic extract of walnut from Juglans regia L. collected in Central Italy, were performed. The potential antioxidant and anti-inflammatory effects of the extract were investigated in the human keratinocytes cell line. METHODS: Fatty acid profile was determined by gas chromatography/mass spectrometry analysis, total phenolic content by Folin-Ciocalteu method and aluminum chloride colorimetric method was used for determination of total flavonoids...
January 12, 2018: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29331852/no-time-to-waste-organic-waste-nanosizing-converts-remains-of-food-processing-into-refined-materials
#5
Sharoon Griffin, Muhammad Sarfraz, Verda Farida, Muhammad Jawad Nasim, Azubuike P Ebokaiwe, Cornelia M Keck, Claus Jacob
Modern food processing results in considerable amounts of side-products, such as grape seeds, walnut shells, spent coffee grounds, and harvested tomato plants. These materials are still rich in valuable and biologically active substances and therefore of interest from the perspective of waste management and "up-cycling". In contrast to traditional, often time consuming and low-value uses, such as vermicomposting and anaerobic digestion, the complete conversion into nanosuspensions unlocks considerable potentials of and new applications for such already spent organic materials without the need of extraction and without producing any additional waste...
January 11, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29329217/prey-acceptability-and-preference-of-oenopia-conglobata-coleoptera-coccinellidae-a-candidate-for-biological-control-in-urban-green-areas
#6
Belén Lumbierres, Filipe Madeira, Xavier Pons
Oenopia conglobata is one of the most common ladybird species in urban green areas of the Mediterranean region. We have obtained data about its prey acceptability and prey preferences. In a laboratory experiment, we investigated the acceptability of seven aphid and one psyllid species as prey for this coccinellid: the aphids Chaitophorus populeti, Aphis gossypii, Aphis craccivoraMonelliopsis caryae, Eucallipterus tiliae, Aphis nerii (on white poplar, pomegranate, false acacia, black walnut, lime, and oleander, respectively), and the psyllid Acizziajamatonica on Persian silk tree...
January 12, 2018: Insects
https://www.readbyqxmd.com/read/29321915/comparative-genetics-of-invasive-populations-of-walnut-aphid-chromaphis-juglandicola-and-its-introduced-parasitoid-trioxys-pallidus-in-california
#7
Jeremy C Andersen, Nicholas J Mills
Coevolution may be an important component of the sustainability of importation biological control, but how frequently introduced natural enemies coevolve with their target pests is unclear. Here we explore whether comparative population genetics of the invasive walnut aphid, Chromaphis juglandicola, and its introduced parasitoid, Trioxys pallidus, provide insights into the localized breakdown of biological control services in walnut orchards in California. We found that sampled populations of C. juglandicola exhibited higher estimates of genetic differentiation (FST) than co-occurring populations of T...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29311522/effect-of-the-harvest-time-on-oil-yield-fatty-acid-tocopherol-and-sterol-contents-of-developing-almond-and-walnut-kernels
#8
Bertrand Matthäus, Mehmet Musa Özcan, Fahad Al Juhaimi, Oladipupu Q Adiamo, Omer N Alsawmahi, Kashif Ghafoor, Elfadıl E Babiker
Oil content and bioactive properties of almond and walnut kernels were investigated in developing almond and walnut kernels at 10 days intervals. The oil contents of almond and walnuts after the first harvest (1.H) stage changed between 46.2% and 55.0% to 39.1% and 70.5%, respectively (p<0.05). Oleic acid contents of almond and walnut oils ranged from 71.98% (1.H) to 78.68% (5.H) and 10.51% (1.H) to 16.78% (2.H) depending on harvest (H) times, respectively (p<0.05). In addition, linolenic acid contents of walnut and almond oils were found between 62...
2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/29287419/bioaccessibility-of-phenolic-compounds-following-in-vitro-large-intestine-fermentation-of-nuts-for-human-consumption
#9
Gabriele Rocchetti, Giulia Chiodelli, Gianluca Giuberti, Luigi Lucini
A bioaccessibility study of polyphenols after in vitro simulated large intestine fermentation was carried out on edible nuts. Raw nuts were also analysed for total phenolic content and antioxidant potential, considering both bound and free phenolics. The highest phenolic content was found in walnuts, followed by pistachios extracts (596.9 and 410.1 mg gallic acid equivalents 100 g-1, respectively). Consistently, the total antioxidant capacity was highest in walnuts (3689.7 μM trolox equivalents 100 g-1) followed by peanuts and pistachios (3169...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29274484/effect-of-water-activity-and-heating-rate-on-staphylococcus-aureus-heat-resistance-in-walnut-shells
#10
Lihui Zhang, Xiaoxi Kou, Shuang Zhang, Teng Cheng, Shaojin Wang
Water activity (aw) and heating rate have shown important effects on the thermo-tolerance of pathogens in low moisture foods during thermal treatments. In this study, three strains were selected to compare the heat resistance in walnut shell powder and finally the most heat resistant S. aureus ATCC 25923 was chosen to investigate the influence of aw and heating rate using a heating block system (HBS). The results showed that S. aureus ATCC 25923 became more thermo-tolerant at lower aw. The D-values of S. aureus ATCC 25923 increased with decreasing water activity and heating rates (<1°C/min)...
December 18, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29245752/a-new-species-of-i-neopronematus-i-and-a-re-description-of-i-pronematus-rykei-i-meyer-amp-rodrigues-acari-iolinidae-from-iran
#11
Mohammad Ahmad-Hosseini, Mohammad Khanjani, Roya Karamian
Neopronematus iranensis sp. nov. is described and illustrated and the female and male of Pronematus rykei (Meyer & Rodrigues, 1966) are re-described and reported for the first time from Iran. These species were collected from walnut leaves infested by leaf blister mite, Aceria tristriatus, (Nalepa, 1890), in Hamedan and Lorestan provinces, Iran. Furthermore, a key to all known species of Neopronematus is provided.
October 20, 2017: Zootaxa
https://www.readbyqxmd.com/read/29241580/in-vitro-fermented-raw-and-roasted-walnuts-induce-expression-of-cat-and-gstt2-genes-growth-inhibition-and-apoptosis-in-lt97-colon-adenoma-cells
#12
W Schlörmann, J Lamberty, D Ludwig, S Lorkowski, M Glei
Walnuts are rich in bioactive compounds such as polyunsaturated fatty acids, polyphenols, and dietary fiber. Therefore, the consumption of walnuts can contribute to a healthy diet and may reduce the risk for colon cancer. Heat treatment like roasting may change the chemical composition of walnuts and therefore their chemopreventive properties. Therefore, the hypothesis of the present study is that different roasting conditions (RCs) alter the chemopreventive effects of walnuts. Thus, the aim of the present study was to investigate whether different RCs (RC1=139...
November 2017: Nutrition Research
https://www.readbyqxmd.com/read/29235078/the-nutritional-and-phytochemical-composition-of-the-indigenous-australian-pindan-walnut-terminalia-cunninghamii-kernels
#13
Liezhou Zhong, Janet F Bornman, Gangcheng Wu, Aline Hornoff, Koya Ange Pamela Dovi, Hayder Al-Ali, Naveed Aslam, Stuart K Johnson
Nutritional composition of the kernels of two types of Pindan walnut (Terminalia cunninghamii), a native nut consumed traditionally by Australian Indigenous peoples, is reported for the first time. Results showed that Pindan walnut kernels contained high levels of fat, protein and ash, approximately 50, 30 and 5% fresh basis, respectively. The levels of minerals in the kernels were much higher than common walnuts and macadamia nuts, especially those of phosphorus, magnesium and zinc. The high amounts of polyphenols in the kernels provided strong hydrophilic antioxidant capacities, of up to 2004 mg Trolox equivalents/100 g fresh basis using the hydrophilic oxygen radical absorbance capacity assay...
December 12, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29210688/the-importance-of-surface-functional-groups-in-the-adsorption-of-copper-onto-walnut-shell-derived-activated-carbon
#14
Ruzhen Xie, Yan Jin, Yao Chen, Wenju Jiang
In this study, activated carbon (AC) was prepared from walnut shell using chemical activation. The surface chemistry of the prepared AC was modified by introducing or blocking certain functional groups, and the role of the different functional groups involved in the copper uptake was investigated. The structural and chemical heterogeneity of the produced carbons are characterized by Fourier transform infrared spectrometry, X-ray photoelectron spectroscopy, Boehm titration method and N2/77 K adsorption isotherm analysis...
December 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29208493/almond-hazelnut-and-walnut-three-nuts-for-neuroprotection-in-alzheimer-s-disease-a-neuropharmacological-review-of-their-bioactive-constituents
#15
REVIEW
Narjes Gorji, Reihaneh Moeini, Zahra Memariani
An increase in the prevalence of Alzheimer's disease (AD) as a multifactorial neurodegenerative disorder is an almost obvious issue in the world. Researches on natural products for finding effective drugs to prevent the disease are in progress. There is special attention to the three types of nuts including almond, hazelnut and walnut in manuscripts of traditional Persian medicine (PM) as the preventive agents against brainatrophy and memory loss. The purpose of this study is a pharmacological review of their bioactive constituents and introducing the value of these nuts as the effective supplements and natural medicinal foods in AD patients...
December 5, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29207485/study-on-the-ingredient-proportions-and-after-treatment-of-laser-sintering-walnut-shell-composites
#16
Yueqiang Yu, Yanling Guo, Ting Jiang, Jian Li, Kaiyi Jiang, Hui Zhang
To alleviate resource shortage, reduce the cost of materials consumption and the pollution of agricultural and forestry waste, walnut shell composites (WSPC) consisting of walnut shell as additive and copolyester hot melt adhesive (Co-PES) as binder was developed as the feedstock of selective laser sintering (SLS). WSPC parts with different ingredient proportions were fabricated by SLS and processed through after-treatment technology. The density, mechanical properties and surface quality of WSPC parts before and after post processing were analyzed via formula method, mechanical test and scanning electron microscopy (SEM), respectively...
December 2, 2017: Materials
https://www.readbyqxmd.com/read/29202922/simultaneous-analysis-of-multiple-allergens-in-food-products-by-lc-ms-ms
#17
Lee Sun New, Andre Schreiber, Jianru Stahl-Zeng, Hua-Fen Liu
There is currently no cure for food allergies, and sufferers can only rely on the correct labeling of foods toavoid allergens. Hence, it is important that analytical methods are sensitive and accurate enough to screen for the presence of multiple allergens in food products. In this study, we developed an LC-tandem MS method that is able to simultaneously screen or quantify the signature tryptic peptides of multiple allergen commodities. This method is capable of screening and identifying egg white, skim milk, peanut, soy, and tree nuts (almond, Brazil nut, cashew, hazelnut, pecan, pine nut, pistachio, and walnut) at a detection limit of 10 ppm in incurred bread and cookies...
December 5, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29202914/integrating-allergen-analysis-within-a-risk-assessment-framework-approaches-to-development-of-targeted-mass-spectrometry-methods-for-allergen-detection-and-quantification-in-the-ifaam-project
#18
Chiara Nitride, Victoria Lee, Ivona Baricevic-Jones, Karine Adel-Patient, Sabine Baumgartner, E N Clare Mills
Allergen analysis is central to implementing and monitoring food allergen risk assessment and management processes by the food industry, but current methods for the determination of allergens in foods give highly variable results. The European Union-funded "Integrated Approaches to Food Allergen and Allergy Risk Management" (iFAAM) project has been working to address gaps in knowledge regarding food allergen management and analysis, including the development of novel MS and immuno-based allergen determination methods...
December 5, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29202751/walnut-consumption-in-a-weight-reduction-intervention-effects-on-body-weight-biological-measures-blood-pressure-and-satiety
#19
Cheryl L Rock, Shirley W Flatt, Hava-Shoshana Barkai, Bilge Pakiz, Dennis D Heath
BACKGROUND: Dietary strategies that help patients adhere to a weight reduction diet may increase the likelihood of weight loss maintenance and improved long-term health outcomes. Regular nut consumption has been associated with better weight management and less adiposity. The objective of this study was to compare the effects of a walnut-enriched reduced-energy diet to a standard reduced-energy-density diet on weight, cardiovascular disease risk factors, and satiety. METHODS: Overweight and obese men and women (n = 100) were randomly assigned to a standard reduced-energy-density diet or a walnut-enriched (15% of energy) reduced-energy diet in the context of a behavioral weight loss intervention...
December 4, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/29199633/current-nut-recommendation-practices-differ-between-health-professionals-in-new-zealand
#20
Rachel C Brown, Andrew R Gray, Lee Ching Yong, Alex Chisholm, Sook Ling Leong, Siew Ling Tey
OBJECTIVE: Despite evidence linking regular nut consumption with reduced chronic disease risk, population-level intakes remain low. Research suggests nut-promoting advice from doctors facilitates regular nut consumption. However, there is no information on current nut recommendation practices of health professionals. The aim of the present study was to examine the advice provided by health professionals regarding nut consumption. DESIGN: In this cross-sectional study, participants were invited to complete a survey including questions about their nut recommendation practices...
December 4, 2017: Public Health Nutrition
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