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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
#1
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/28807309/synergistic-interaction-of-ten-essential-oils-against-haemonchus-contortus-in-vitro
#2
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/28796916/fragrance-contact-allergens-in-5-588-cosmetic-products-identified-through-a-novel-smartphone-application
#3
Niels Højsager Bennike, Nikoline Bang Oturai, Stine Müller, Christel Søgaard Kirkeby, Claus Jørgensen, Anne Beck Christensen, Claus Zachariae, Jeanne Duus Johansen
BACKGROUND: More than 25% of the adult European population suffers from contact allergy, with fragrance substances recognized as one of the main causes. Since 2005, 26 fragrance contact allergens have been mandatory to label in cosmetic products within the EU if present at 10 ppm or above in leave-on and 100 ppm or above in wash-off cosmetics. OBJECTIVE: To examine exposure, based on ingredient labelling, to the 26 fragrances in a sample of 5,588 fragranced cosmetic products...
August 10, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28795848/use-of-prebiotic-carbohydrate-as-wall-material-on-lime-essential-oil-microparticles
#4
Pedro Henrique Campelo, Jayne de Abreu Figueiredo, Rosana Zacarias Domingues, Regiane Victória de Barros Fernandes, Diego Alvarenga Botrel, Soraia Vilela Borges
The aim of this work was to study the use of different prebiotic biopolymers in lime essential oil microencapsulation. Whey protein isolate, inulin and oligofructose biopolymers were used. The addition of prebiotic biopolymers reduced emulsion viscosity, althoughit produced larger droplet sizes (0.31-0.32µm). Moisture values (2.94-3.13 g/100 g dry solids) and water activity (0.152-0.185) were satisfactory, being within the appropriate range for powdered food quality.Total oil content, limonene retention values and antioxidant activity of the microparticles containing essential oildecreased in the presence of the carbohydrates...
August 10, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28782167/plants-of-the-melaleuca-genus-as-antimicrobial-agents-from-farm-to-pharmacy
#5
REVIEW
Javad Sharifi-Rad, Bahare Salehi, Elena Maria Varoni, Farukh Sharopov, Zubaida Yousaf, Seyed Abdulmajid Ayatollahi, Farzad Kobarfard, Mehdi Sharifi-Rad, Mohammad Hossain Afdjei, Majid Sharifi-Rad, Marcello Iriti
Plants belonging to Melaleuca genus (Myrtaceae family) are native to Oceania, where they have been used for ages by Aborigine people in Australian traditional medicine, mainly because of their broad-spectrum antimicrobial activity. Although, M. linariifolia, M. dissitiflora, and other species of Melaleuca can also be used, the tea tree oil, an essential oil obtained from M. alternifolia shows the longest history of medicinal uses. Tea tree oil contains for the 80-90% several monoterpenes (terpinen-4-ol, α-terpinene, 1,8-cineol, p-cymene, α-terpineol, α-pinene, terpinolene, limonene, and sabinene)...
August 7, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28774297/citrus-lemon-essential-oil-chemical-composition-antioxidant-and-antimicrobial-activities-with-its-preservative-effect-against-listeria-monocytogenes-inoculated-in-minced-beef-meat
#6
Anis Ben Hsouna, Nihed Ben Halima, Slim Smaoui, Naceur Hamdi
BACKGROUND: Lemon (Citrus limon) is a flowing plant belonging to the Rutaceae family. Citrus plants constitute one of the main valuable sources of essential oil used in foods and medicinal purposes. METHODS: In this study, we assessed chemical composition, antioxidant and antimicrobial activities of C. limon essential oil (ClEO) with its preservative effect against Listeria monocytogenes inoculated in minced beef meat. Gas chromatography/mass spectrometry (GC-MS) was used to identify the major components of the obtained ClEO...
August 3, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28762217/acute-toxicity-and-sublethal-effects-of-terpenoids-and-essential-oils-on-the-predator-chrysoperla-externa-neuroptera-chrysopidae
#7
R V Castilhos, A D Grützmacher, J R Coats
The search for new safer insecticides has increased in recent agriculture. Botanical compounds such as terpenoids and plant essential oils with insecticidal activity could represent important tools in pest management, and their risk assessment against non-target organisms is necessary since they may serve as a precursor for the synthesis of new insecticide active ingredients. For this study, the acute toxicity and sublethal effects of seven terpenoids and three essential oils with recognized insecticidal activity were evaluated on the predator Chrysoperla externa (Hagen) (Neuroptera: Chrysopidae) in laboratory bioassays...
July 31, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28758914/in-vitro-evaluation-of-sub-lethal-concentrations-of-plant-derived-antifungal-compounds-on-fusaria-growth-and-mycotoxin-production
#8
Caterina Morcia, Giorgio Tumino, Roberta Ghizzoni, Assetou Bara, Nesrine Salhi, Valeria Terzi
Phytopathogenic fungi can lead to significant cereal yield losses, also producing mycotoxins dangerous for human and animal health. The fungal control based on the use of synthetic fungicides can be complemented by "green" methods for crop protection, based on the use of natural products. In this frame, the antifungal activities of bergamot and lemon essential oils and of five natural compounds recurrent in essential oils (citronellal, citral, cinnamaldehyde, cuminaldehyde and limonene) have been evaluated against three species of mycotoxigenic fungi (Fusarium sporotrichioides, F...
July 29, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28754623/structural-re-arrangement-of-depolymerized-sodium-alginate-enriches-peltate-glandular-trichomes-and-essential-oil-production-of-spearmint
#9
Yawar Sadiq, M Masroor A Khan, Asfia Shabbir, Bilal Ahmad, Hassan Jaleel, Moin Uddin, Lalit Varshney
Over the past decade, radiation-degraded polysaccharides have been used as regulators of growth and development of plants in several crop plants. In quest of the possible reasons of previously established growth-promotion activity of irradiated sodium alginate (ISA), structural parameters of irradiated and un-irradiated sodium alginate were analysed using Ultraviolet-visible spectroscopy (UV-vis) and Fourier Transform Infrared spectroscopic (FT-IR) studies to develop an understanding of structure-property relationship...
July 25, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28752764/basin-scale-observations-of-monoterpenes-in-the-arctic-and-atlantic-oceans
#10
Sina C Hackenberg, Stephen J Andrews, Ruth Airs, Steve R Arnold, Heather A Bouman, Denise Cummings, Alastair C Lewis, Jamie K Minaeian, Kristen M Reifel, Alison Small, Glen A Tarran, Gavin H Tilstone, Lucy J Carpenter
We report novel in situ speciated observations of monoterpenes (α- and β-pinene, myrcene, δ3-carene, ocimene, limonene) in seawater and air during three cruises in the Arctic and Atlantic Oceans, in/over generally oligotrophic waters. Oceanic concentrations of the individual monoterpenes ranged from below the detection limit of <1 pmol L-1 to 5 pmol L-1, with average concentrations of between 0.5-2.9 pmol L-1. After careful filtering for contamination, atmospheric mixing ratios varied from below the detection limit (<1 pptv) to 5 pptv, with averages of 0...
July 28, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28740540/phytochemistry-and-pharmacological-studies-of-citrus-macroptera-a-medicinal-plant-review
#11
REVIEW
Koly Aktar, Tahira Foyzun
Citrus macroptera (family Rutaceae), commonly known as Sat Kara, is a pharmacologically diverse medicinal plant. Various parts of this plant, specifically fruit, have an immense range of medicinal uses in folk medicine directed for a number of ailments. A plethora of active phytochemical constituents of this plant have been revealed so far, namely, limonene, beta-caryophyllene, beta-pinene, geranial edulinine, ribalinine, isoplatydesmine, and so forth. Several studies demonstrated the exploration of pharmacological potential of various parts such as fruits, leaves, and stems of C...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28735564/synergistic-effect-of-co-digestion-to-enhance-anaerobic-degradation-of-catering-waste-and-orange-peel-for-biogas-production
#12
Muzammil Anjum, Azeem Khalid, Samia Qadeer, Rashid Miandad
Catering waste and orange peel were co-digested using an anaerobic digestion process. Orange peel is difficult to degrade anaerobically due to the presence of antimicrobial agents such as limonene. The present study aimed to examine the feasibility of anaerobic co-digestion of catering waste with orange peel to provide the optimum nutrient balance with reduced inhibitory effects of orange peel. Batch experiments were conducted using catering waste as a potential substrate mixed in varying ratios (20-50%) with orange peel...
July 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28725152/analysis-of-inorganic-and-organic-constituents-of-myrrh-resin-by-gc-ms-and-icp-ms-an-emphasis-on-medicinal-assets
#13
Syed Rizwan Ahamad, Abdul Rahman Al-Ghadeer, Raisuddin Ali, Wajhul Qamar, Suliman Aljarboa
The aim of the present investigation was to explore the constituents of the Arabian myrrh resin obtained from Commiphora myrrha. The organic and inorganic composition of the myrrh gum resin has been investigated using gas chromatography-mass spectrometry (GC-MS) and inductively coupled plasma-mass spectrometry (ICP-MS). Analysis executed by ICP-MS reveals the presence of various inorganic elements in significant amount in the myrrh resin. The elements that were found to be present in large amounts include calcium, magnesium, aluminum, phosphorus, chlorine, chromium, bromine and scandium...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28725151/chemical-constituents-of-helichrysum-italicum-roth-g-don-essential-oil-and-their-antimicrobial-activity-against-gram-positive-and-gram-negative-bacteria-filamentous-fungi-and-candida-albicans
#14
Bouzid Djihane, Nouioua Wafa, Soltani Elkhamssa, De Haro Juan Pedro, Angeles Esteban Maria, Zerroug Mohamed Mihoub
The aerial parts of Helichrysum italicum (Roth) G. Don were subjected to hydrodistillation to obtain essential oils which had been analyzed by gas chromatography and gas chromatography coupled with mass spectrometry and tested for antimicrobial activity against 12 bacteria, two yeasts and four fungi by agar diffusion method. The essential oil yielded 0.44% (v/w) and 67 compounds accounting for 99.24% of the oil were identified with a high content of oxygenated sesquiterpenes (61.42%). The most oxygenated sesquiterpene compounds were α-Cedrene (13...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28725142/rhanterium-epapposum-oliv-essential-oil-chemical-composition-and-antimicrobial-insect-repellent-and-anticholinesterase-activities
#15
Betul Demirci, Hasan Soliman Yusufoglu, Nurhayat Tabanca, Halide Edip Temel, Ulrich R Bernier, Natasha M Agramonte, Saleh Ibrahim Alqasoumi, Adnan Jathlan Al-Rehaily, Kemal Husnu Can Başer, Fatih Demirci
The essential oil (EO) of the aerial parts of Rhanterium epapposum Oliv. (Asteraceae), was obtained by hydrodistillation. The oil was subsequently analyzed by both GC-FID and GC-MS, simultaneously. Forty-five components representing 99.2% of the oil composition were identified. The most abundant compounds were camphene (38.5%), myrcene (17.5%), limonene (10.1%) and α-pinene (8.7%). Referring to the ethnobotanical utilization, an insecticidal assay was performed, where the oil repelled the yellow fever mosquito Aedes aegypti L...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28712345/post-processing-optimization-of-electrospun-sub-micron-poly-3-hydroxybutyrate-fibers-to-obtain-continuous-films-of-interest-in-food-packaging-applications
#16
A Cherpinski, S Torres-Giner, L Cabedo, J M Lagaron
Polyhydroxyalkanoates (PHAs) are one of the most researched family of biodegradable polymers based on renewable materials due to their thermoplastic nature and moisture resistance. The present study was targeted to investigate the preparation and characterization of poly(3-hydroxybutyrate) (PHB) films obtained through the electrospinning technique. To convert them into continuous films, of interest in for instance packaging, the electrospun fiber mats were subsequently post-processed by different physical treatments to optimize their physical performance...
July 17, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28707182/anti-inflammatory-and-antialgic-actions-of-a-nanoemulsion-of-rosmarinus-officinalis-l-essential-oil-and-a-molecular-docking-study-of-its-major-chemical-constituents
#17
Raphaelle Sousa Borges, Emerson Silva Lima, Hady Keita, Irlon Maciel Ferreira, Caio Pinho Fernandes, Rodrigo Alves Soares Cruz, Jonatas Lobato Duarte, Josué Velázquez-Moyado, Brenda Lorena Sánchez Ortiz, Andrés Navarrete Castro, Jaderson Vieira Ferreira, Lorane Izabel da Silva Hage-Melim, José Carlos Tavares Carvalho
We evaluate the anti-inflammatory and antialgic potency of a nanoemulsion (NEORO) containing the essential oil of Rosmarinus officinalis L. (EORO), which is composed primarily of limonene, camphor and 1,8-cineole. The EORO and NEORO were administered orally 30 min prior to starting the experiments. In a test of rat paw oedema induced by carrageenan, NEORO was effective in doses of 498 µg/kg, and it inhibited 46% of the maximum peak of the oedema; in a dose of 300 mg/kg, EORO inhibited 50% of the maximum peak of the oedema...
July 13, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28689277/identification-of-the-aggregation-sex-pheromone-produced-by-male-monochamus-saltuarius-a-major-insect-vector-of-the-pine-wood-nematode
#18
Hyo-Rim Lee, Sung-Chan Lee, Dong Ha Lee, Won-Sil Choi, Chan-Sik Jung, Jae-Ho Jeon, Jeong-Eun Kim, Il-Kwon Park
In this study, we isolated and identified an aggregation-sex pheromone from Monochamus saltuarius, the major insect vector of the pine wood nematode in Korea. Adult males of M. saltuarius produce 2-undecyloxy-1-ethanol, which is known as an aggregation-sex pheromone in other Monochamus species. We performed field experiments to determine the attractiveness of the pheromone and other synergists. More M. saltuarius adult beetles were attracted to traps baited with the pheromone than to unbaited traps. Ethanol and (-)-α-pinene interacted synergistically with the pheromone...
July 8, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28673718/d-limonene-exhibits-superior-antihyperalgesic-effects-in-a-%C3%AE-cyclodextrin-complexed-form-in-chronic-musculoskeletal-pain-reducing-fos-protein-expression-on-spinal-cord-in-mice
#19
Heitor G Araújo-Filho, Erik W M Pereira, Marília M Rezende, Paula P Menezes, Adriano A S Araújo, Rosana S S Barreto, Anita O B P B Martins, Thaís R Albuquerque, Bruno A F Silva, Isabel S Alcantara, Henrique D M Coutinho, Irwin R A Menezes, Lucindo J Quintans-Júnior, Jullyana S S Quintans
Chronic musculoskeletal pain is one of the main symptoms found in Fibromyalgia with unclear etiology and limited pharmacological treatment. The aim of this study was to complex LIM in β-cyclodextrin (LIM-βCD) and then evaluate its antihyperalgesic effect in an animal model of chronic musculoskeletal pain. Differential scanning calorimetry and scanning electron microscopy was used for the characterization of the inclusion complex. Male Swiss mice were used for experimental procedures where mechanical hyperalgesia, thermal hyperalgesia, muscular strength, Fos immunofluorescence was studied after induction of hyperalgesia...
September 1, 2017: Neuroscience
https://www.readbyqxmd.com/read/28673306/toxicity-and-antitumor-potential-of-mesosphaerum-sidifolium-lamiaceae-oil-and-fenchone-its-major-component
#20
Thaísa Leite Rolim, Déborah Ribeiro Pessoa Meireles, Tatianne Mota Batista, Tatyanna Kelvia Gomes de Sousa, Vivianne Mendes Mangueira, Renata Albuquerque de Abrantes, João Carlos Lima Rodrigues Pita, Aline Lira Xavier, Vicente Carlos Oliveira Costa, Leônia Maria Batista, Marcelo Sobral da Silva, Marianna Vieira Sobral
BACKGROUND: The essential oil from Mesosphaerum sidifolium (L'Hérit.) Harley & J.F.B.Pastore (syn. Hyptis umbrosa), Lamiaceae (EOM), and its major component, have been tested for toxicity and antitumor activity. METHODS: EOM was obtained from aerial parts of M. sidifolium subjected to hydro distillation, and gas chromatography-mass spectrometry was used to characterize the EOM chemical composition. The toxicity was evaluated using haemolysis assay, and acute toxicity and micronucleus tests...
July 3, 2017: BMC Complementary and Alternative Medicine
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