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"Essential oils"

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https://www.readbyqxmd.com/read/28829378/antioxidant-and-anticancer-activities-of-essential-oil-from-gannan-navel-orange-peel
#1
Chao Yang, Hui Chen, Hongli Chen, Balian Zhong, Xuzhong Luo, Jiong Chun
China is one of the leading producers of citrus in the world. Gannan in Jiangxi Province is the top navel orange producing area in China. In the present study, an essential oil was prepared by cold pressing of Gannan navel orange peel followed by molecular distillation. Its chemical composition was analyzed by GC-MS. Twenty four constituents were identified, representing 97.9% of the total oil. The predominant constituent was limonene (74.6%). The anticancer activities of this orange essential oil, as well as some of its major constituents, were investigated by MTT assay...
August 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28827872/-linalool-influence-on-the-cerebral-blood-flow-in-healthy-male-volunteers-revealed-by-three-dimensional-pseudo-continuous-arterial-spin-labeling
#2
Miho Ota, Noriko Sato, Daichi Sone, Jun Ogura, Hiroshi Kunugi
BACKGROUND: Although aromatherapy is widely used, the pharmacology of the essential oils remains undiscovered. AIM: The present study assessed the effect of (-)-linalool, the main contained material of lavender, on the brain function. MATERIALS AND METHODS: Healthy male volunteers calculated the regional cerebral blood flow (CBF) before and after inhalation of (-)-linalool, and CBF changes were evaluated. RESULTS: There were significant CBF reductions in the right superior temporal gyrus to insula, anterior cingulate cortex after inhalation...
April 2017: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28826259/volatile-oil-analysis-of-aerial-parts-of-boerhavia-coccinea-mill
#3
Olaoluwa Omosalewa Olaoluwa, Doyinsola Ayomide James, Oludoyin Adeseun Adigun
Volatile oil of the aerial part of Boerhavia coccinea was obtained by Clevenger-type apparatus, the chemical components were analysed using gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). Twenty constituents were recognised in the oil which accounted for 98.05% of it. This was characterised by high level of ethers (29.85%), while most dominant compound was phytol (24.02%). The essential oil of B. coccinea mainly consisted ethers and alcohols, which is being reported for the first time...
August 22, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28823093/candida-albicans-staphylococcus-aureus-dual-species-biofilm-as-a-target-for-the-combination-of-essential-oils-and-fluconazole-or-mupirocin
#4
Aleksandra Budzyńska, Sylwia Różalska, Beata Sadowska, Barbara Różalska
The effectiveness of essential oils (EOs), fluconazole (FLU) and mupirocin (MUP) used alone or in combination against mono-species and mixed Candida albicans/Staphylococcus aureus biofilms was examined. An experimentally established dual-species biofilm model, verified by fluorescence microscopy and viable cell counting, was used. Selected commercial EOs were tested: geranium, citronella and clove oils, which have been chemically characterized and found to differ in the content of the main components (qualitative and quantitative)...
August 19, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28821401/chemical-composition-of-mentha-pulegium-and-rosmarinus-officinalis-essential-oils-and-their-antileishmanial-antibacterial-and-antioxidant-activities
#5
Abdelhakim Bouyahya, Abdeslam Et-Touys, Youssef Bakri, Talbaoui Ahmed, Hajiba Fellah, Jamal Abrini, Nadia Dakka
The aim of the study was the determination of the chemical composition of Mentha pulegium L. and Rosmarinus officinalis L. essential oils and the evaluation of their antileishmanial, antibacterial and antioxidant activities. Essential oils (EOs) were isolated using steam distillation and the chemical composition was determined using GC-MS analysis. The antibacterial activity was tested against ten pathogenic strains using the diffusion method, the minimum inhibitory concentration (MIC) and the minimum bactericidal concentration (MBC) by microtitration assay...
August 15, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28821008/trans-caryophyllene-inhibits-amyloid-%C3%AE-a%C3%AE-oligomer-induced-neuroinflammation-in-bv-2-microglial-cells
#6
Yawei Hu, Ziling Zeng, Baojie Wang, Shougang Guo
Amyloid β (Aβ) is the major component of senile plaques (SP) in the brains of Alzheimer's disease (AD) patients, and serves as an inflammatory stimulus for microglia. Trans-caryophyllene (TC), a major component in the essential oils derived from various species of medicinal plants, has displayed its neuro-protective effects in previous studies. However, whether TC has a protective role in AD remains unknown. In this study, the effects of TC on Aβ1-42-induced neuro-inflammation were investigated. We found that TC reduced the release of LDH in BV-2 microglial cells treated with Aβ1-42...
August 15, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28818729/characterization-of-citrus-pectin-films-integrated-with-clove-bud-essential-oil-physical-thermal-barrier-antioxidant-and-antibacterial-properties
#7
Tanzeela Nisar, Zi-Chao Wang, Xi Yang, You Tian, Muneeb Iqbal, Yurong Guo
The increasing demand for bio-based materials to be used in food packaging has stimulated the development of novel, environmentally-friendly edible films. Antimicrobial films were developed by incorporating different levels of clove bud essential oil (0.5%, 1.0%, and 1.5%) into the citrus pectin in order to modify the functional properties of the films. Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry analysis (DSC) and X-ray diffraction (XRD) were performed, together with the determination of physical, optical, mechanical, antioxidant and antimicrobial properties of pectin emulsified films...
August 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28818498/antifungal-activity-of-the-essential-oil-obtained-from-cryptocarya-alba-against-infection-in-honey-bees-by-nosema-ceranae
#8
J Bravo, V Carbonell, B Sepúlveda, C Delporte, C E Valdovinos, R Martín-Hernández, M Higes
The honeybee disease nosemosis type C is a serious problem since its causative agent, microsporidium Nosema ceranae, is widespread among adult honey bees. Some of the feasible alternative treatments that are used to control this disease are plant extracts. The aim of the present work was to evaluate the effects of essential oils of Chilean plant species, such as Cryptocarya alba, which is used against N. ceranae, and to identify and quantify the majority active compounds in the EO as well as their potential use for the control of nosemosis...
August 14, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28815637/synergistic-antibacterial-and-antibiofilm-efficacy-of-nisin-in-combination-with-p-coumaric-acid-against-foodborne-bacteria-bacillus-cereus-and-salmonella-typhimurium
#9
Anwesa Bag, Rabi Ranjan Chattopadhyay
The aim of the study was to evaluate possible antibacterial and antibiofilm efficacy of a bacteriocin, nisin with two essential oil components linalool and p-coumaric acid in combination against foodborne bacteria Bacillus cereus and Salmonella typhimurium. Their inhibition effects on planktonic cells and pre-formed biofilms were evaluated using microbroth dilution and checkerboard titration methods. Nisin/ p-coumaric acid combination showed synergistic effects against planktonic cells of both the studied bacteria whereas nisin/ linalool combination showed synergistic activity against B...
August 16, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28815601/antimicrobial-synergism-and-cytotoxic-properties-of-citrus-limon-l-piper-nigrum-l-and-melaleuca-alternifolia-maiden-and-betche-cheel-essential-oils
#10
Miloš M Nikolić, Katarina K Jovanović, Tatjana Lj Marković, Dejan Lj Marković, Nevenka N Gligorijević, Siniša S Radulović, Marina Kostić, Jasmina M Glamočlija, Marina D Soković
OBJECTIVES: The chemical composition, antimicrobial and synergistic effect, and cytotoxic activity of Citrus limon (lemon), Piper nigrum (green pepper) and Melaleuca alternifoila (tea tree) essential oils (EOs) were investigated. METHODS: Chemical analyses of essential oils were tested by GC-FID and GC-MS spectroscopy. The antimicrobial activity assay was conducted using microdilution method against several oral bacteria and Candida spp. originating from the humans with oral disorders...
August 17, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28814830/comparative-analysis-of-essential-oil-composition-of-iranian-and-indian-nigella-sativa-l-extracted-using-supercritical-fluid-extraction-and-solvent-extraction
#11
Kourosh Hasanzadeh Ghahramanloo, Behnam Kamalidehghan, Hamid Akbari Javar, Riyanto Teguh Widodo, Keivan Majidzadeh, Mohamed Ibrahim Noordin
The objective of this study was to compare the oil extraction yield and essential oil composition of Indian and Iranian Nigella sativa L. extracted by using Supercritical Fluid Extraction (SFE) and solvent extraction methods. In this study, a gas chromatography equipped with a mass spectrophotometer detector was employed for qualitative analysis of the essential oil composition of Indian and Iranian N. sativa L. The results indicated that the main fatty acid composition identified in the essential oils extracted by using SFE and solvent extraction were linoleic acid (22...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28811611/the-antibacterial-and-antifungal-activity-of-six-essential-oils-and-their-cyto-genotoxicity-to-human-hel-12469-cells
#12
Andrea Puškárová, Mária Bučková, Lucia Kraková, Domenico Pangallo, Katarína Kozics
Six essential oils (from oregano, thyme, clove, lavender, clary sage, and arborvitae) exhibited different antibacterial and antifungal properties. Antimicrobial activity was shown against pathogenic (Escherichia coli, Salmonella typhimurium, Yersinia enterocolitica, Staphylococcus aureus, Listeria monocytogenes, and Enterococcus faecalis) and environmental bacteria (Bacillus cereus, Arthrobacter protophormiae, Pseudomonas fragi) and fungi (Chaetomium globosum, Penicillium chrysogenum, Cladosporium cladosporoides, Alternaria alternata, and Aspergillus fumigatus)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811222/antitussive-antispasmodic-bronchodilating-and-cardiac-inotropic-effects-of-the-essential-oil-from-blepharocalyx-salicifolius-leaves
#13
Jehison Jiménez Hernández, María Inés Ragone, Patricia Bonazzola, Arnaldo L Bandoni, Alicia E Consolini
ETHOPHARMACOLOGY RELEVANCE: Blepharocalyx salicifolius (Kunth) O. Berg (Myrtaceae) is a tree native to Argentina and Uruguay that grows and is cultivated along the riverside of the Rio de la Plata. The leaves of this plant species, locally known as "anacahuita" are used in South America to prepare infusions for the empiric treatment of cough and bronchospasm, as well as diarrhoea and other intestinal disorders. Although previous phytochemical studies have been performed with the essential oil extracted from Blepharocalyx salicifolius, pharmacological evidence supporting its traditional use is still lacking...
August 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28810577/patchouli-oil-ameliorates-acute-colitis-a-targeted-metabolite-analysis-of-2-4-6-trinitrobenzenesulfonic-acid-induced-rats
#14
Xiuting Yu, Guanghua Yang, Hua Jiang, Shuhai Lin, Yuhong Liu, Xie Zhang, Huifang Zeng, Ziren Su, Song Huang, Linlin Shen, Xiaojun Zhang
The incidence of inflammatory bowel disease (IBD), characterized by chronic, relapsing intestinal inflammation, has continually increased in recent years. A previous study by our group identified five potential metabolic markers possibly associated with the pathology of 2,4,6-trinitrobenzenesulfonic acid (TNBS)-induced IBD in rats. The present study aimed to examine the potential therapeutic effects of the essential oil of Pogostemon cablin (also known as patchouli; PO) on TNBS-induced rats and investigate the concomitant metabolic changes by targeting the previously identified potential markers...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810533/deltamethrin-induced-oxidative-stress-in-kidney-and-brain-of-rats-protective-effect-of-artemisia-campestris-essential-oil
#15
Mongi Saoudi, Riadh Badraoui, Houda Bouhajja, Marwa Ncir, Fatma Rahmouni, Malek Grati, Kamel Jamoussi, Abdelfattah El Feki
Artemisia campestris (Asteraceae) is widely used in traditional medicine in Southern Tunisia as a decoction for its antivenom, anti-inflammatory, antirheumatic, and antimicrobial activities. A. campestris essential oil (ACEO) was obtained by hydrodistillation from the aerial parts, since it has beneficial and therapeutic effects. Deltamethrin is a synthetic pyrethroid with broad spectrum activities against acaricides and insects and widely used for veterinary and agricultural purposes. Exposure to deltamethrin leads to nephrotoxic and neurotoxic side effects for human and many species including birds and fish...
August 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28809799/update-on-monoterpenes-as-antimicrobial-agents-a-particular-focus-on-p-cymene
#16
REVIEW
Anna Marchese, Carla Renata Arciola, Ramona Barbieri, Ana Sanches Silva, Seyed Fazel Nabavi, Arold Jorel Tsetegho Sokeng, Morteza Izadi, Nematollah Jonaidi Jafari, Ipek Suntar, Maria Daglia, Seyed Mohammad Nabavi
p-Cymene [1-methyl-4-(1-methylethyl)-benzene] is a monoterpene found in over 100 plant species used for medicine and food purposes. It shows a range of biological activity including antioxidant, anti-inflammatory, antinociceptive, anxiolytic, anticancer and antimicrobial effects. This last property has been widely investigated due to the urgent need for new substances with antimicrobial properties, to be used to treat communicable diseases whose diffusion in developed countries has been facilitated by globalization and the evolution of antimicrobial resistance...
August 15, 2017: Materials
https://www.readbyqxmd.com/read/28807309/synergistic-interaction-of-ten-essential-oils-against-haemonchus-contortus-in-vitro
#17
L M Katiki, A M E Barbieri, R C Araujo, C J Veríssimo, H Louvandini, J F S Ferreira
Anthelmintic resistance in sheep gastrointestinal nematodes is a worldwide problem. Multi-drug resistant haemonchosis is the most serious impediment for small ruminant systems, and there are no new drug candidates currently under development. Molecules from natural sources have demonstrated anthelmintic activity against parasites. In this work, the monoterpenoids carvacrol, carvone, cineole, linalool, limonene, and thymol and the phenylpropanoids cinnamaldehyde, anethole, vanillin, and eugenol were assessed individually or in mixtures of ten binary, three ternary, and three quaternary combinations using the in vitro egg hatch assay with eggs of a multi-drug resistant strain of Haemonchus contortus...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28805907/evaluation-of-essential-oils-and-prebiotics-for-newborn-dairy-calves
#18
K A Froehlich, K W Abdelsalam, C Chase, J Koppien-Fox, D P Casper
A blend of essential oils (EO; carvacrol, caryophyllene, -cymene, cineole, terpinene, and thymol) and prebiotics (arabinogalactans; Stay Strong; Ralco, Inc., Marshall, MN) was designed to promote immunity and stimulate appetite to diminish health challenges and stresses experienced by newborn calves. It was hypothesized that calves supplemented with the medium dose (2.5 g/feeding) of the commercial EO would demonstrate the optimal response. The study objective was to determine the optimal feeding rate of EO when added to a milk replacer (MR) compared with feeding a control or a yeast cell wall additive (YCW)...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28803691/effectiveness-of-lavendula-stoechas-essential-oil-in-treatment-of-mild-to-moderate-carpal-tunnel-syndrome-a-randomized-controlled-trial
#19
Bina Eftekharsadat, Peyman Roomizadeh, Shervin Torabi, Fariba Heshmati-Afshar, Fatemeh Jahanjoo, Arash Babaei-Ghazani
STUDY DESIGN: Randomized controlled trial. INTRODUCTION: Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy of the upper extremity. To date, no previous study has evaluated the efficacy of topical Lavendula stoechas (Lavender) oil in CTS patients. PURPOSE OF THE STUDY: To investigate the effectiveness of topical Lavender essential oil in pain intensity, isometric pinch strength, electrophysiological features, and functional status of patients with mild to moderate CTS...
August 10, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28803233/comprehensive-analysis-of-the-chemical-composition-and-in-vitro-cytotoxic-mechanisms-of-pallines-spinosa-flower-and-leaf-essential-oils-against-breast-cancer-cells
#20
Ayman M Saleh, Mahmoud A Al-Qudah, Amre Nasr, Sayed A Rizvi, Anwar Borai, Mustafa Daghistani
BACKGROUND/AIMS: In our quest for new natural anticancer agents, we studied the cytotoxicity of the essential oils extracted from flowers and leaves of Pallines spinosa. METHODS: The essential oils were extracted by hydrodistillation and solid phase microextraction (SPME) from flowers and leaves of the plant and their composition was determined by GC/GC-MS. The cytotoxicity of the oils was evaluated against MCF-7 and MDA-MB-231 breast adenocarcinomas, and the non-cancerous MCF-10-2A cells, using a flow cytometry-based assay Apoptosis was evaluated by flow cytometry, nuclear staining, caspases activation, and Western blotting techniques, and cell cycle by measuring DNA contents...
August 11, 2017: Cellular Physiology and Biochemistry
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