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https://www.readbyqxmd.com/read/28328870/the-effect-of-early-life-experience-environment-and-genetic-factors-on-spontaneous-home-cage-aggression-related-wounding-in-male-c57bl-6-mice
#1
Brianna N Gaskill, Aurora M Stottler, Joseph P Garner, Christina W Winnicker, Guy B Mulder, Kathleen R Pritchett-Corning
Aggression is a major welfare issue in mice, particularly when mice unfamiliar to each other are first placed in cages, as happens on receipt from a vendor, and following cage cleaning. Injuries from aggression are the second leading cause of unplanned euthanasia in mice, following ulcerative dermatitis. Commonly employed strategies for reducing aggression-related injury are largely anecdotal, and may even be counterproductive. Here we report a series of experiments testing potential explanations and interventions for post-shipping aggression-related injuries in C57BL/6 mice...
March 22, 2017: Lab Animal
https://www.readbyqxmd.com/read/28327535/physicochemical-properties-and-microbial-quality-of-tremella-aurantialba-packed-in-antimicrobial-composite-films
#2
Jian Fan, Zhuangzhuang Chu, Lin Li, Tianrui Zhao, Min Yin, Yuyue Qin
The effects of poly(lactic acid) (PLA)-based film with inorganic antimicrobial nano-TiO₂ and nano-Ag on the physicochemical and microbial quality of Tremella aurantialba stored at 4 ± 1 °C for 16 days was investigated. Rosemary essential oil (REO, 9 wt %) was added into PLA film as plasticizer. Low-density polyethylene (LDPE) and PLA film was used as the controls. The experiment measured physicochemical properties and microbial levels, such as weight loss, firmness, vitamin C, color, microbiological quality, and sensory quality...
March 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28326846/stonebrood-and-chalkbrood-in-apis-mellifera-causing-fungi-in-vitro-sensitivity-to-some-essential-oils
#3
Simona Nardoni, Carlo D'Ascenzi, Guido Rocchigiani, Roberto Amerigo Papini, Luisa Pistelli, Giovanni Formato, Basma Najar, Francesca Mancianti
Aim of the present study was to evaluate the in vitro antimycotic activity of 17 chemically defined essential oils (EOs) both alone and as a mixture, against agents responsible for stonebrood caused by Aspergillus flavus, and chalkbrood caused by Ascosphaera apis in European honeybees. Cinnamomum zeylanicum yielded the lowest MIC value against A. flavus, but was not effective against A. apis, while Litsea cubeba and Pelargonium graveolens appeared to be effective against all checked fungi. Aspergillus niger showed the lower sensitivity...
March 22, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28326753/effects-of-essential-oil-exposure-on-salivary-estrogen-concentration-in-perimenopausal-women
#4
(no author information available yet)
OBJECTIVES: The menopausal transition is the time from the onset of menstrual changes until one year after the final menstrual period. During this phase, perimenopausal women experience a variety of health-related symptoms, which seemingly derive from declining level of estrogen secretion. It has long been recognized that some essential oils have the efficacy of alleviating menopausal symptoms. On the basis of this, it is possible that these essential oils have the potency to facilitate estrogen secretion in women...
January 22, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28326452/methyleugenol-dna-adducts-in-human-liver-are-associated-with-sult1a1-copy-number-variations-and-expression-levels
#5
Roman Tremmel, Kristin Herrmann, Wolfram Engst, Walter Meinl, Kathrin Klein, Hansruedi Glatt, Ulrich M Zanger
Methyleugenol is a rodent hepatocarcinogen occurring in many herbs and spices as well as essential oils used for flavoring. Following metabolic activation by cytochromes P450 (CYPs) and sulfotransferases (SULTs), methyleugenol can form DNA adducts. Previously, we showed that DNA adduct formation by methyleugenol in mouse liver is dependent on SULT1A1 expression and that methyleugenol DNA adducts are abundant in human liver specimens. In humans, SULT1A1 activity is affected by genetic polymorphisms, including single-nucleotide polymorphisms (SNPs) and copy number variations (CNVs)...
March 22, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28325333/physicochemical-properties-of-carum-copticum-essential-oil-loaded-chitosan-films-containing-organic-nanoreinforcements
#6
Eisa Jahed, Mohammad Alizadeh Khaledabad, Hadi Almasi, Reza Hasanzadeh
The aim of this research was to prepare of bionanocomposite films based on chitosan (CH) incorporated with Carum copticum essential oil and reinforced with cellulose nanofibers (CNF) or lignocellulose nanofibers (LCNF). The FTIR analysis showed new interactions in bionanocomposites. AFM and SEM analyses showed an increased roughness for bionanocomposites but suggested good dispersion of CNF and LCNF in CH matrix. X-ray diffraction confirmed that the degree of crystallinity was increased by addition of CNF/LCNF...
May 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28317465/anti-cryptococcal-activity-of-ethanol-crude-extract-and-hexane-fraction-from-ocimum-basilicum-var-maria-bonita-mechanisms-of-action-and-synergism-with-amphotericin-b-and-ocimum-basilicum-essential-oil
#7
Nathalia N R Cardoso, Celuta S Alviano, Arie F Blank, Maria de Fátima Arrigoni-Blank, Maria Teresa V Romanos, Marcel M L Cunha, Antonio Jorge R da Silva, Daniela S Alviano
CONTEXT: Ocimum basilicum L. (Lamiaceae) has been used in folk medicine to treat headaches, kidney disorders, and intestinal worms. OBJECTIVE: This study evaluates the anti-cryptococcal activity of ethanol crude extract and hexane fraction obtained from O. basilicum var. Maria Bonita leaves. MATERIALS AND METHODS: The MIC values for Cryptococcus sp. were obtained according to Clinical and Laboratory Standards Institute in a range of 0.3-2500 μg/mL...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28317320/differential-in-vitro-antitumor-activity-of-essential-oil-of-lippia-citriodora-from-different-regions-in-morocco
#8
Moulay Ali Oukerrou, Mounir Tilaoui, Hassan Ait Mouse, Najat Bouchmaa, Abdelmajid Zyad
The aim of this work was to investigate the in vitro anticancer effect of the essential oil of dried leaves of Lippia citriodora (H.B. & K.) harvested in different regions of Morocco. This effect was evaluated against the P815 murine mastocytoma cell line using the MTT assay. Interestingly, this work demonstrated for the first time that these essential oils exhibited a strong cytotoxic activity against the P815 cell line, with IC50 values ranging from 7.75 μg/ml to 13.25 μg/ml. This cytotoxicity began early and increased in a dose and time dependent manner...
March 19, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28317217/effects-of-a-protected-inclusion-of-organic-acids-and-essential-oils-as-antibiotic-growth-promoter-alternative-on-growth-performance-intestinal-morphology-and-gut-microflora-in-broilers
#9
Yanli Liu, Xin Yang, Hongliang Xin, Si Chen, Chengbo Yang, Yulan Duan, Xiaojun Yang
This experiment was conducted to investigate the effects of protected essential oils and organic acids mixture on poultry feeding. A total of 450 1-day-old Cobb 500 chicks were randomly allotted into three treatments with six replicates. Birds were offered a basal diet (C), basal diet with 0.15 g/kg enramycin premix (A) and basal diet with 0.30 g/kg protected essential oils and organic acids mixture product (P). The results showed that protected essential oils and organic acids mixture supplementation reduced average daily feed intake and ratio of feed to gain (F/G) at 22-42 days of age, and F/G during 1-42 days of age also declined (P < 0...
March 20, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28316634/anti-inflammatory-activity-of-the-essential-oil-citral-in-experimental-infection-with-staphylococcus-aureus-in-a-model-air-pouch
#10
Hellen Braga Martins, Nathan das Neves Selis, Clarissa Leal Silva E Souza, Flávia S Nascimento, Suzi Pacheco de Carvalho, Lorena D'Oliveira Gusmão, Jannine Dos Santos Nascimento, Anne Karoline Pereira Brito, Samira Itana de Souza, Marcio Vasconcelos de Oliveira, Jorge Timenetsky, Regiane Yatsuda, Ana Paula T Uetanabaro, Lucas M Marques
This study proposes to implement an alternative and effective strategy for local treatment of disease provoked by S. aureus. For the analysis of possible anti-inflammatory activity of essential oil, after establishing an air pouch model, 48 male mice of Balb/c were treated, infected, and euthanized at 4 and 8 h. Thus, the total and differential white blood cells were counted in the animal's blood, and cytokines IL-1β, IL-6, and TNF-α were titrated using ELISA in the air pouch lavage. Moreover, TNF-α, IL-1β, and IL-6 gene expression was analyzed through an RT-qPCR array, and S...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28315767/the-properties-of-chitosan-and-gelatin-films-incorporated-with-ethanolic-red-grape-seed-extract-and-ziziphora-clinopodioides-essential-oil-as-biodegradable-materials-for-active-food-packaging
#11
Yasser Shahbazi
The aim of this study was to improve different characteristics including antibacterial, antioxidant, physical and mechanical properties of chitosan (Ch) and gelatin (Ge) films by incorporating Ziziphora clinopodioides essential oil (ZEO; 0 and 1% v/w) and ethanolic grape seed extract (GSE; 0 and 1% v/w). The main compounds of the ZEO were carvacrol (65.22%) and thymol (19.51%). According to our findings, addition of aforementioned materials could improve total phenolic content, antibacterial and antioxidant activities, thickness and also water vapor barrier property...
March 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28314999/genetic-diversity-and-metabolic-profile-of-salvia-officinalis-populations-implications-for-advanced-breeding-strategies
#12
Eirini Sarrou, Ioannis Ganopoulos, Aliki Xanthopoulou, Domenico Masuero, Stefan Martens, Panagiotis Madesis, Athanasios Mavromatis, Paschalina Chatzopoulou
As a result of this work, we were able to characterize seven indigenous to Greece Salvia officinalis populations using genetic and metabolomic tools. These tools can be used to select the most promising genotypes, capable to design future breeding programs for high valuable varieties. An initial investigation was carried out to compare the genetic and metabolic diversity in S. officinalis grown in Greece and to discern the relationship between the two sets of data. Analysis of inter-simple sequence repeats (ISSR) revealed significant genetic differences among seven sage populations, which were grouped into three main clusters according to an UPGMA ISSR data-based dendrogram and Principle Coordinate Analysis...
March 17, 2017: Planta
https://www.readbyqxmd.com/read/28306205/chemical-composition-and-antibacterial-activity-of-iranian-lavandula-x-hybrida
#13
Iman Bajalan, Razieh Rouzbahani, Abdollah Ghasemi Pirbalouti, Filippo Maggi
Lavandin (Lavandula x hybrida) is an evergreen shrub and cultivated worldwide for its essential oil which possesses various biological activities. In this study, the essential oils were isolated from the leaves of ten lavandin populations in western Iran. The hydrodistilled essential oils were analyzed by GC-FID/MS. Results indicated significant differences (p ≤0.05) among the various populations for the main essential oil constituents. The major components from different populations were 1,8-cineole (31...
March 17, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28301985/a-review-on-phytochemical-and-pharmacological-properties-of-litsea-coreana
#14
Xuejing Jia, Peng Li, Jianbo Wan, Chengwei He
CONTEXT: Litsea coreana H. Lév. (Lauraceae) is used as an ethnic herb or beverage in China. Substantial studies indicate that it contains a variety of compounds and shows diverse bioactivities with no toxicity. OBJECTIVE: This review analyzes and summarizes the ethnopharmacological applications, phytochemistry, and pharmacological activities and molecular mechanisms of L. coreana. METHODS: Related literature (from 1998 to 2016) was obtained and compiled via searching databases including Scopus, Web of Science, Google Scholar, CNKI and PubMed...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28301021/cytotoxic-effect-of-thymus-caramanicus-jalas-on-human-oral-epidermoid-carcinoma-kb-cells
#15
Reza Fekrazad, Mehrad Afzali, Hamzeh Pasban-Aliabadi, Saeed Esmaeili-Mahani, Maryam Aminizadeh, Ali Mostafavi
Identifying new chemotherapeutic agents with fewer side effects is a major concern for scientists today. Thymus caramanicus Jalas (Lamiaceae family) is one of the species of Thymus that grows wild in different regions of Iran. Traditionally, leaves of this plant are used in the treatment of diabetes, arthritis and cancer. Here was investigated the cytotoxic property of Thymus caramanicus essential oil and extract in human oral epidermoid carcinoma KB cells. Cell viability was measured by MTT and neutral red assays...
January 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28300877/mast-cell-concentration-and-skin-wound-contraction-in-rats-treated-with-ximenia-americana-l
#16
José de Castro Souza Junior Neto, Lígia Reis de Moura Estevão, Liriane Baratella-Evêncio, Marcela Gabriela Feitosa Vieira, Ricardo Santos Simões, Rinaldo Florencio-Silva, Luís Evêncio-Luz, Joaquim Evêncio-Neto
PURPOSE: To evaluate wound contraction and the concentration of mast cells in skin wounds treated with wild plum (Ximenia americana) essential oil-based ointment in rats. METHODS: Sixty rats were submitted to two cutaneous wounds in the thoracic region, on the right and left antimeres. Thereon, they were divided into three groups: GX (wounds treated once a day with hydro alcoholic branch extract of Ximenia americana), GP (wounds that received vehicle), and GC (wounds without product application)...
February 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28299950/chemical-composition-antioxidant-activity-and-cytotoxicity-on-tumour-cells-of-the-essential-oil-from-flowers-of-magnolia-grandiflora-cultivated-in-iran
#17
Mohammad Reza Morshedloo, Luana Quassinti, Massimo Bramucci, Giulio Lupidi, Filippo Maggi
Magnolia grandiflora (Magnoliaceae) is an evergreen tree with fragrant and showy flowers native to southeastern USA but widely cultivated all over the world and used in cosmetics industry in treatment of skin diseases. Here, we report on the chemical analysis of the essential oil obtained from flowers of plants cultivated in Iran, together with the evaluation of its antioxidant and cytotoxic activities. The essential oil composition was dominated by bioactive sesquiterpenes, namely β-elemene, bicyclogermacrene, germacrene D and (E)-caryophyllene...
March 16, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28299876/essential-oils-of-myrtaceae-species-growing-wild-in-tunisia-chemical-variability-and-antifungal-activity-against-biscogniauxia-mediterranea-the-causative-agent-of-charcoal-canker
#18
Islem Yangui, Meriem Zouaoui Boutiti, Mohamed Boussaid, Chokri Messaoud
The chemical composition of five Eucalyptus species and five Myrtus communis L. populations was investigated using GC-MS and GC-FID. For Eucalyptus essential oils, 32 compounds, representing 88.56-96.83% of the total oil according to species, were identified. The main compounds were 1,8-cineole, α-pinene, p-cymene, ɤ-gurjunene, α-aromadendrene and β-phellandrene. For Myrtle essential oils, 26 compounds, representing 93.13-98.91% of the total oil were identified. α-pinene, 1,8-cineole, linalool and myrtenyl acetate were found to be the major compounds...
March 16, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28298688/quality-storability-and-essential-oil-content-of-ligularia-fischeri-during-modified-atmosphere-packaging-storage
#19
M A Mele, M Z Islam, J P Baek, H M Kang
Modified atmosphere packaging (MAP) enhanced the quality and storability of Ligularia fischeri. Oxygen transmission rate (OTR) films were used as a MAP. MAP storage displayed lower fresh weight loss than perforated film. The oxygen, carbon dioxide, and ethylene concentration were properly maintained by a 10,000 cc OTR packaging film at 8 °C and 30,000 cc OTR packaging film at 24 °C. On the last day of storage, the off-odor, such as the acetaldehyde and ethanol concentration, was the lowest in the 10,000 cc OTR film at 8 °C and 30,000 cc OTR film at 24 °C treatments...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28298686/chemical-composition-and-biological-properties-of-satureja-avromanica-maroofi
#20
Elham Abdali, Shima Javadi, Maryam Akhgari, Seyran Hosseini, Dara Dastan
Satureja avromanica is an indigenous plant which is frequently used as a spice in Avraman-Kurdistan region of Iran. The present study aimed to investigate the chemical composition, antimicrobial and antioxidant properties of the S. avromanica. In addition, rosmarinic acid and total phenolic content of S. avromanica was assessed by spectrophotometric method and HPTLC. The essential oil and methanolic extract were isolated by hydrodistillation and maceration methods, respectively. A total of 32 compounds representing 98...
March 2017: Journal of Food Science and Technology
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