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https://www.readbyqxmd.com/read/27876218/antifungal-activities-of-selected-essential-oils-against-fusarium-oxysporum-f-sp-lycopersici-1322-with-emphasis-on-syzygium-aromaticum-essential-oil
#1
Abhishek Sharma, Sasireka Rajendran, Ankit Srivastava, Satyawati Sharma, Bishwajit Kundu
The antifungal effects of four essential oils viz., clove (Syzygium aromaticum), lemongrass (Cymbopogon citratus), mint (Mentha × piperita) and eucalyptus (Eucalyptus globulus) were evaluated against wilt causing fungus, Fusarium oxysporum f. sp. lycopersici 1322. The inhibitory effect of oils showed dose-dependent activity on the tested fungus. Most active being the clove oil, exhibiting complete inhibition of mycelial growth and spore germination at 125 ppm with IC50 value of 18.2 and 0.3 ppm, respectively...
November 18, 2016: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/27876081/in-vitro-activity-of-ten-essential-oils-against-sarcoptes-scabiei
#2
Fang Fang, Kerdalidec Candy, Elise Melloul, Charlotte Bernigaud, Ling Chai, Céline Darmon, Rémy Durand, Françoise Botterel, Olivier Chosidow, Arezki Izri, Weiyi Huang, Jacques Guillot
BACKGROUND: The development of alternative approaches in ectoparasite management is currently required. Essential oils have been demonstrated to exhibit fumigant and topical toxicity to a number of arthropods. The aim of the present study was to assess the potential efficacy of ten essential oils against Sarcoptes scabiei. METHODS: The major chemical components of the oils were identified by GC-MS analysis. Contact and fumigation bioassays were performed on Sarcoptes mites collected from experimentally infected pigs...
November 22, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27869756/a-review-of-temperature-ph-and-other-factors-that-influence-the-survival-of-salmonella-in-mayonnaise-and-other-raw-egg-products
#3
REVIEW
Thilini Piushani Keerthirathne, Kirstin Ross, Howard Fallowfield, Harriet Whiley
Salmonellosis is one of the main causes of foodborne illnesses worldwide, with outbreaks predominately linked to contamination of eggs and raw egg products, such as mayonnaise. This review explores previous studies that have investigated Salmonella control mechanisms utilized in the production of raw egg mayonnaise and other food products. Apart from the use of pasteurized eggs, the main control mechanism identified is the pH of the raw egg products, which plays an important role in the consistency and stability while affecting the survival of Salmonella spp...
November 18, 2016: Pathogens
https://www.readbyqxmd.com/read/27867112/hydrogel-thickened-nanoemulsions-based-on-essential-oils-for-topical-delivery-of-psoralen-permeation-and-stability-studies
#4
Thaís Nogueira Barradas, Juliana Perdiz Senna, Stephani Araujo Cardoso, Sara Nicoli, Cristina Padula, Patrizia Santi, Francesca Rossi, K Gyselle de Holanda E Silva, Claudia R Elias Mansur
Nanoemulsions (NE) have attracted much attention due to their as dermal delivery systems for lipophilic drugs such as psoralens. However, NE feature low viscosity which might be unsuitable for topical application. In this work, we produced hydrogel-thickened nanoemulsions (HTN) using chitosan as thickening polymer to overcome the low viscosity attributed to NE. The aim of this study is to develop and characterize oil-in-water (o/w) HTN based on sweet fennel and clove essential oil to transdermal delivery of 8-methoxsalen (8-MOP)...
November 17, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27853710/thymus-vulgaris-red-thyme-and-caryophyllus-aromaticus-clove-essential-oils-to-control-spoilage-microorganisms-in-pork-under-modified-atmosphere
#5
Serena D'Amato, Giovanni Mazzarrino, Chiara Rossi, Annalisa Serio, Clemencia Chaves López, Gaetano Vitale Celano, Antonello Paparella
In recent years, it has been confirmed that essential oils (EOs) exert antimicrobial activity as they are able to inhibit cell growth and inactivate microbial cells. The application of biopreservation strategies by means of EOs opens up interesting perspectives in the food industry, including meat production. The paper aims to evaluate the effects of Thymus vulgaris (red thyme) and Caryophyllus aromaticus (cloves) EOs on the development of the spoilage population of fresh pork packaged under modified atmosphere (MAP)...
June 3, 2016: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/27808174/essential-oils-and-eugenols-inhibit-biofilm-formation-and-the-virulence-of-escherichia-coli-o157-h7
#6
Yong-Guy Kim, Jin-Hyung Lee, Giyeon Gwon, Soon-Il Kim, Jae Gyu Park, Jintae Lee
Enterohemorrhagic Escherichia coli O157:H7 (EHEC) has caused foodborne outbreaks worldwide and the bacterium forms antimicrobial-tolerant biofilms. We investigated the abilities of various plant essential oils and their components to inhibit biofilm formation by EHEC. Bay, clove, pimento berry oils and their major common constituent eugenol at 0.005% (v/v) were found to markedly inhibit EHEC biofilm formation without affecting planktonic cell growth. In addition, three other eugenol derivatives isoeugenol, 2-methoxy-4-propylphenol, and 4-ethylguaiacol had antibiofilm activity, indicating that the C-1 hydroxyl unit, the C-2 methoxy unit, and C-4 alkyl or alkane chain on the benzene ring of eugenol play important roles in antibiofilm activity...
November 3, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27802299/protective-effects-of-essential-oils-as-natural-antioxidants-against-hepatotoxicity-induced-by-cyclophosphamide-in-mice
#7
Salah A Sheweita, Lobna S El-Hosseiny, Munther A Nashashibi
Clinical application of cyclophosphamide (CP) as an anticancer drug is often limited due to its toxicity. CP is metabolized mainly in the liver by cytochrome P450 system into acrolein which is the proximate toxic metabolite. Many different natural antioxidants were found to alleviate the toxic effects of various toxic agents via different mechanisms. Therefore, the present study aimed at investigating the role of essential oils extracted from fennel, cumin and clove as natural antioxidants in the alleviation of hepatotoxicity induced by CP through assessment of hepatotoxicity biomarkers (AST, ALT, ALP), histopathology of liver tissues as well as other biochemical parameters involved in the metabolism of CP...
2016: PloS One
https://www.readbyqxmd.com/read/27796007/anesthetic-effect-and-physiological-response-in-olive-flounder-paralichthys-olivaceus-to-clove-oil-in-a-simulated-transport-experiment
#8
Hyun Woo Gil, Min Gyun Ko, Tae Ho Lee, In-Seok Park, Dong Soo Kim
The optimum concentrations of clove oil as an anesthetic for olive flounder (Paralichthys olivaceus) and the stress response of the fish to clove oil anesthesia were determined over a range of water temperatures, and investigated in a simulated transport experiment using analysis of various water and physiological parameters. While the time for induction of anesthesia decreased significantly as both the concentration of clove oil and water temperature increased, the recovery time increased significantly (P<0...
September 2016: Balsaeng'gwa Saengsig
https://www.readbyqxmd.com/read/27743330/biodiesel-from-plant-seed-oils-as-an-alternate-fuel-for-compression-ignition-engines-a-review
#9
C Vijayakumar, M Ramesh, A Murugesan, N Panneerselvam, D Subramaniam, M Bharathiraja
The modern scenario reveals that the world is facing energy crisis due to the dwindling sources of fossil fuels. Environment protection agencies are more concerned about the atmospheric pollution due to the burning of fossil fuels. Alternative fuel research is getting augmented because of the above reasons. Plant seed oils (vegetable oils) are cleaner, sustainable, and renewable. So, it can be the most suitable alternative fuel for compression ignition (CI) engines. This paper reviews the availability of different types of plant seed oils, several methods for production of biodiesel from vegetable oils, and its properties...
October 15, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27690424/elucidation-of-thermal-induced-changes-in-key-odorants-of-white-mustard-seeds-sinapis-alba-l-and-rapeseeds-brassica-napus-l-using-molecular-sensory-science
#10
Eva Ortner, Michael Granvogl, Peter Schieberle
Heat-processing of Brassica seeds led to the formation of a characteristic pleasant popcorn-like and coffee-like aroma impression compared to the mainly pea-like aroma of the corresponding raw seeds. To analyze this phenomenon on a molecular basis, raw and roasted white mustard seeds and rapeseeds were analyzed using the Sensomics approach. Application of comparative aroma extract dilution analysis (cAEDA) and identification experiments to raw and roasted (140 °C, 30 min) mustard seeds revealed 36 odorants (all identified for the first time) and 47 odorants (41 newly identified), respectively...
October 3, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27685164/validation-of-photographs-usage-to-evaluate-meat-visual-acceptability-of-young-bulls-finished-in-feedlot-fed-with-or-without-essential-oils
#11
Rodrigo Augusto Cortez Passetti, Juliana Akamine Torrecilhas, Mariana Garcia Ornaghi, Camila Mottin, Carlos Antonio Lopes de Oliveira, Ana Guerrero, Maria Del Mar Campo, Carlos Sañudo, Ivanor Nunes do Prado
Forty ½ Brown Swiss×½ Nellore crossbred bulls were distributed into three experimental groups: CON - diet without addition of essential oils; CLO - diet with average 5,000mg/animal/day of clove essential oils and CIN - diet with average 5,000mg/animal/day of cinnamon essential oils to evaluate three methodologies of visual acceptability: with steaks directly in Trays and Sequential and Random photos. Seventeen consumers evaluated visual appearance of meat using a 9-point structured hedonic scale. CON group presented higher shelf-life than essential oils groups...
September 21, 2016: Meat Science
https://www.readbyqxmd.com/read/27683808/the-efficacy-of-clove-oil-as-an-anaesthetic-and-in-euthanasia-procedure-for-small-sized-tropical-fishes
#12
I M Fernandes, Y F Bastos, D S Barreto, L S Lourenço, J M Penha
Clove oil is used as a fish anesthetic because it is a natural and inexpensive product with low toxicity risks. The goal of the present study was to determine the appropriate concentration of clove oil for small-sized tropical fish to be used in mark-recapture studies or when individuals are to be sacrificed. We applied three different clove oil concentrations (D1=0.05 mL, D2=0.10 mL and D3=0.20 mL per 500 mL of water) on three small-sized fish species. We found a negative relationship between induction time and treatment for two species (Hyphessobrycon sp...
September 26, 2016: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/27652055/the-myth-of-oral-hygiene-using-synthetic-mouthwash-products
#13
Ghulam Zahara Jahangir, Durre Shahwar Ashraf, Idrees Ahmad Nasir, Madeha Sadiq, Sobia Shahzad, Farah Naz, Muhammad Iqbal, Afifa Saeed
The synthetic oral cleansing and teeth whitening products like mouthwashes exert adverse effects on teeth, gums and mucous membrane of oral cavity and their extensive use is being criticized. Determining the effect of frequent use of mouthwashes, human cheek cells and their DNA have been studied. Five mouthwash brands were tested and their effects were examined on membrane and DNA of human cheek cells which were found to be very expressive and severe. The DNA, also, received severe damage and breaks developed in its double stranded structure resulting in detachment of small fragments from DNA...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27651809/effects-of-topical-and-systemic-administration-of-eugenia-caryophyllata-buds-essential-oil-on-corneal-anesthesia-and-analgesia
#14
Emad Khalilzadeh, Reza Hazrati, Gholamreza Vafaei Saiah
Clinical studies suggest that essential oil of Eugenia caryophyllata (Clove) buds (EOEC) is efficacious in the treatment of dental pain. In the present study, we investigated the analgesic and local anesthetic effects of EOEC and its possible mechanisms of action in acute corneal pain in rats. EOEC was extracted by hydro-distillation in a Clevenger type apparatus from clove buds. The acute corneal pain was induced by applying a drop (40 µl) of 5 M NaCl solution on the corneal surface, and the numbers of eye wipes were counted during the first 30 s...
July 2016: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27651437/evaluation-of-clove-oil-icaridin-and-transfluthrin-for-spatial-repellent-effects-in-three-tests-systems-against-the-aedes-aegypti-diptera-culicidae
#15
G Nentwig, S Frohberger, R Sonneck
One essential oil (clove oil), one skin repellent (icaridin), and one insecticide (transfluthrin) were tested for spatial repellent effects against non-blood-fed female Aedes aegypti (L.) mosquitoes. The compounds were tested in acetone dilution series using a Y-olfactometer, a double cage system, and a double room system. All compounds exhibited spatial repellent effects at certain concentrations. Clove oil required relative high dosages to cause high effects (Y-olfactometer 6 mg, double cage 60 mg, and double room 1,200 mg)...
September 20, 2016: Journal of Medical Entomology
https://www.readbyqxmd.com/read/27617990/chemical-composition-antibacterial-properties-and-mechanism-of-action-of-essential-oil-from-clove-buds-against-staphylococcus-aureus
#16
Jian-Guo Xu, Ting Liu, Qing-Ping Hu, Xin-Ming Cao
The essential oil of clove has a wide range of pharmacological and biological activities and is widely used in the medicine, fragrance and flavoring industries. In this work, 22 components of the essential oil obtained from clove buds were identified. Eugenol was the major component (76.23%). The essential oil exhibited strong antibacterial activity against Staphylococcus aureus ATCC 25923 with a minimum inhibitory concentration (MIC) of 0.625 mg/mL, and the antibacterial effects depended on its concentration and action time...
2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27609474/protective-potency-of-clove-oil-and-its-transcriptional-down-regulation-of-aeromonas-sobria-virulence-genes-in-african-catfish-clarias-gariepinus-l
#17
M I Abd El-Hamid, N K Abd El-Aziz, H A Ali
Disease episodes of fish caused by Aeromonas species are moved to the top list of limiting problems worldwide. The present study was planned to verify the in vitro antibacterial activities as well as the in vivo potential values of clove oil and ciprofloxacin against Aeromonas sobria in African catfish (Clarias gariepinus). The in vitro phenotypic virulence activities and the successful amplification of aerolysin and hemolysin genes in the precisely identified A. sobria strain were predictive for its virulence...
2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27574791/effect-of-chitosan-coating-on-microemulsion-for-effective-dermal-clotrimazole-delivery
#18
Babita Kumari, Karthikeyan Kesavan
Clotrimazole (CTZ) is a broad spectrum antimycotic agent known to be very effective locally for the treatment of fungal skin infections. The aim of this study was to study the effect of chitosan-coated microemulsion (CME) for topical delivery of CTZ and also evaluate its in-vitro antifungal efficacy, Ex-vivo permeation and retention ability on the skin surface. The pseudo-ternary phase diagrams were developed using clove oil as oil phase, Tween 80 and propylene glycol as surfactant and co-surfactant, respectively and distilled water as aqueous phase...
August 30, 2016: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/27520816/antimicrobial-and-virulence-modulating-effects-of-clove-essential-oil-on-the-foodborne-pathogen-campylobacter-jejuni
#19
Judit K Kovács, Péter Felső, Lilla Makszin, Zoltán Pápai, Györgyi Horváth, Hajnalka Ábrahám, Tamás Palkovics, Andrea Böszörményi, Levente Emődy, György Schneider
Our study investigated the antimicrobial action of clove (Syzygium aromaticum) essential oil (EO) on the zoonotic pathogen Campylobacter jejuni After confirming the clove essential oil's general antibacterial effect, we analyzed the reference strain Campylobacter jejuni NCTC 11168. Phenotypic, proteomic, and transcriptomic methods were used to reveal changes in cell morphology and functions when exposed to sublethal concentrations of clove EO. The normally curved cells showed markedly straightened and shrunken morphology on the scanning electron micrographs as a result of stress...
October 15, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27507495/effects-of-clove-essential-oil-and-eugenol-on-quality-and-browning-control-of-fresh-cut-lettuce
#20
Xiangning Chen, Lupei Ren, Menglin Li, Jia Qian, Junfeng Fan, Bin Du
This study confirmed the inhibitory effects of clove essential oil (CEO) and eugenol (EUG) on the browning and relevant enzymes of fresh-cut lettuce, and examined associated mechanisms by inhibition kinetics and computational docking analysis. Fresh-cut lettuce was treated with 0.05% CEO and 0.05% EUG solutions, resulting in inhibition of the deterioration of texture quality and browning of the lettuce surface and interior. Compared with the controls, CEO and EUG significantly inhibited the activities of phenylalanine ammonia lyase (PAL), polyphenol oxidase (PPO), and peroxidase (POD, all p<0...
January 1, 2017: Food Chemistry
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