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melaleuca alternifolia

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https://www.readbyqxmd.com/read/29667560/can-the-tea-tree-oil-australian-native-plant-melaleuca-alternifolia-cheel-be-an-alternative-treatment-for-human-demodicosis-on-skin
#1
Nelson Siu Kei Lam, Xin Xin Long, Robert C Griffin, Mu-Kai Chen, James Cg Doery
Australian tea tree oil (TTO) and its extract terpinen-4-ol (T4O) are found to be effective in moderating demodex-related diseases. Their possible effects are lowering the mite counts, relieving the demodex-related symptoms and modulating the immune system especially the inflammatory response. This review summarizes the topical treatments of TTO and T4O in human demodicosis, their possible mechanism of actions, side-effects and potential resistance in treating this condition. Although current treatments other than TTO and T4O are relatively effective in controlling the demodex mite population and the related symptoms, more research on the efficacy and drug delivery technology is needed in order to assess its potential as an alternative treatment with minimal side-effect profile, low toxicity and low risk of demodex resistance...
April 18, 2018: Parasitology
https://www.readbyqxmd.com/read/29537894/the-antifungal-activity-of-essential-oil-from-melaleuca-leucadendra-l-l-grown-in-china-and-its-synergistic-effects-with-conventional-antibiotics-against-candida
#2
Jing Zhang, Huihui Wu, Dan Jiang, Yongan Yang, Wenjian Tang, Kehan Xu
To identify the natural antifungal agents, the antifungal activities of Melaleuca leucadendra (L.) L. essential oil (ML-EO) from Fujian Province of China were assayed. Treatment of ML-EO in combination with the front-line using antibiotics against Candida led to synergistic effects. Electron microscopy analysis on the oil treated C. albicans cells revealed the formation of mesosome-like structures, suggesting well the membrane damage caused by the essential oil. The Griess assay by monitoring NO production in LPS-stimulated RAW264...
March 14, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29376212/foliar-terpene-chemotypes-and-herbivory-determine-variation-in-plant-volatile-emissions
#3
Carlos Bustos-Segura, William J Foley
Plants that synthesize and store terpenes in specialized cells accumulate large concentrations of these compounds while avoiding autotoxicity. Stored terpenes may influence the quantity and profile of volatile compounds that are emitted into the environment and the subsequent role of those volatiles in mediating the activity of herbivores. The Australian medicinal tea tree, Melaleuca alternifolia, occurs as several distinct terpene chemotypes. We studied the profile of its terpene emissions to understand how variations in stored foliar terpenes influenced emissions, both constitutive and when damaged either by herbivores or mechanically...
January 2018: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/29358835/effect-of-the-essential-oils-from-melaleuca-alternifolia-melaleuca-quinquenervia-and-backhousia-citriodora-on-the-synthesis-of-ochratoxin-a-by-aspergillus-niger-and-aspergillus-carbonarius-isolated-from-tropical-wine-grapes
#4
Juliana de Andrade Santiago, Maria das Graças Cardoso, Luis Roberto Batista, Wilder Douglas Santiago, Fabiana Reinis Franca Passamani, Leonardo Milani Avelar Rodrigues, David Lee Nelson
The influence of essential oils (EOs) extracted from the leaves of Melaleuca alternifolia , Melaleuca quinquenervia and Backhousia citriodora on ochratoxin A (OTA) synthesis by fungi was studied. The extraction of EOs was performed by hydrodistillation (Clevenger apparatus) over a 2-h period and subsequently analyzed by GC-MS and GC-FID. The toxigenic activity of the essential oils (31.25; 15.62 and 7.81 µg mL-1 ) was evaluated by inhibiting the production of OTA by Aspergillus niger and Aspergillus carbonarius in Czapek agar medium culture...
January 2018: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29350421/involvement-of-xanthine-oxidase-inhibition-with-the-antioxidant-property-of-nanoencapsulated-melaleuca-alternifolia-essential-oil-in-fish-experimentally-infected-with-pseudomonas-aeruginosa
#5
M D Baldissera, C F Souza, P H Doleski, R C V Santos, R P Raffin, B Baldisserotto
Nanoencapsulated Melaleuca alternifolia essential oil (tea tree oil, TTO) is a natural alternative treatment, with 100% therapeutic efficacy in fish experimentally infected with Pseudomonas aeruginosa, and has also potent protective effects linked with antioxidant properties. However, the pathways responsible for the antioxidant capacity remain unknown. Thus, this study evaluated whether the inhibition of seric xanthine oxidase (XO) activity can be considered a pathway involved in the antioxidant capacity of nanoencapsulated TTO in fish experimentally infected with P...
May 2018: Journal of Fish Diseases
https://www.readbyqxmd.com/read/29235165/melaleuca-alternifolia-and-its-application-against-dental-plaque-and-periodontal-diseases-a-systematic-review
#6
REVIEW
Maísa Casarin, Josiele Pazinatto, Roberto Christ Vianna Santos, Fabricio Batistin Zanatta
This is a systematic review of clinical and laboratory studies evaluating the effect of Melaleuca alternifolia on periodontopathogens, dental plaque, gingivitis, periodontitis, and inflammatory responses. The PubMed, Cochrane, Web of science, Bireme, Lilacs, Prospero, Open Grey, and Clinical Trials databases were searched to identify potentially eligible studies through October 2016. Of 1,654 potentially eligible studies, 25 were included in the systematic review. Their methodology was evaluated through the Cochrane Handbook for clinical studies and the GRADE system for in vivo/in vitro studies...
February 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29185608/basil-tea-tree-and-clove-essential-oils-as-analgesics-and-anaesthetics-in-amphiprion-clarkii-bennett-1830
#7
A M Correia, A S Pedrazzani, R C Mendonça, A Massucatto, R A Ozório, M Y Tsuzuki
In this study were evaluated the anaesthesia and analgesic effects of clove Eugenia caryophyllata, tea tree Melaleuca alternifolia and basil Ocimum basilicum essential oils (EO) during handling of yellowtail clownfish Amphiprion clarkii. Juveniles (3.70 ± 0.75 cm and 1.03 ± 0.50 g; mean ± standard deviation) were submitted to concentrations of 40, 50, 60, 70 and 80 µl L-1 of clove, 150, 200, 250, 300 and 350 µl L-1 of basil and 200, 300, 400, 500 and 600 µl L-1 of tea tree oils (n=10/concentration), previously defined in pilot tests...
November 27, 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/29166272/in-vitro-activity-of-some-essential-oils-alone-and-in-combination-against-the-fish-pathogen-nocardia-seriolae
#8
T F Ismail, T Yoshida
Microplate resazurin assay was applied to investigate the in vitro activity of four essential oils (EOs); cinnamon (Cinnamomum zeylanicum), thyme (Thymus vulgaris), lemongrass (Cymbopogon flexuosus) and tea tree (Melaleuca alternifolia) oils against 80 clinical isolates of the fish pathogen Nocardia seriolae. The checkerboard test was then used to determine the possible synergistic effect of EOs combination against reference type strains of fish nocardiosis. All tested EOs had antibacterial activity against N...
September 26, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29162482/antimicrobial-activity-of-melaleuca-alternifolia-nanoparticles-in-polymicrobial-biofilm-in-situ
#9
Márcia Ebling de Souza, Dariane Jornada Clerici, Camila Marina Verdi, Gabriela Fleck, Priscilla Maciel Quatrin, Luana Ebling Spat, Pauline Cordenonsi Bonez, Camilla Fillippi Dos Santos, Raquel Pippi Antoniazzi, Fabrício Batistin Zanatta, André Gundel, Diego Stefani Teodoro Martinez, Rodrigo de Almeida Vaucher, Roberto Christ Vianna Santos
Microbial biofilms represent a challenge in the treatment of infections, due to the low efficacy of the antimicrobials. This study evaluated the antimicrobial effect of nanoparticles of Melaleuca alternifolia (TTO) in dental biofilm. Thirty-eight volunteers used an oral device in situ in situ including four bovine enamel specimens for 07 days. From the fifth day four solutions were applied randomly for each specimen: Physiological Saline Solution (0.85% NaCl) (C+), Chlorhexidine 0.12% (CHX), M. alternifolia oil 0...
December 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29137160/the-influence-of-toothpaste-containing-australian-melaleuca-alternifolia-oil-and-ethanolic-extract-of-polish-propolis-on-oral-hygiene-and-microbiome-in-patients-requiring-conservative-procedures
#10
Tomasz Piekarz, Anna Mertas, Karolina Wiatrak, Rafał Rój, Patryk Kownacki, Joanna Śmieszek-Wilczewska, Ewelina Kopczyńska, Maciej Wrzoł, Maria Cisowska, Ewelina Szliszka, Zenon P Czuba, Iwona Niedzielska, Tadeusz Morawiec
The study was based on the use of a toothpaste with antiphlogistic activity, containing Australian Melaleuca alternifolia oil (tea tree oil-TTO) and ethanolic extract of Polish propolis (EEP). Fifty-one patients with varying conditions of the gingiva were divided into two groups. The study group received the toothpaste with TTO and EEP, while the control group received the same toothpaste but without TTO and EEP. Approximal plaque index (API), simplified oral hygiene index (OHI-s) and modified sulcus bleeding index (mSBI) were assessed in three subsequent stages...
November 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29132828/lactoferrin-chitosan-and-melaleuca-alternifolia-natural-products-that-show-promise-in-candidiasis-treatment
#11
REVIEW
Lorena de Oliveira Felipe, Willer Ferreira da Silva Júnior, Katialaine Corrêa de Araújo, Daniela Leite Fabrino
The evolution of microorganisms resistant to many medicines has become a major challenge for the scientific community around the world. Motivated by the gravity of such a situation, the World Health Organization released a report in 2014 with the aim of providing updated information on this critical scenario. Among the most worrying microorganisms, species from the genus Candida have exhibited a high rate of resistance to antifungal drugs. Therefore, the objective of this review is to show that the use of natural products (extracts or isolated biomolecules), along with conventional antifungal therapy, can be a very promising strategy to overcome microbial multiresistance...
November 10, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/29121804/melaleuca-alternifolia-induces-heme-oxygenase-1-expression-in-murine-raw264-7-cells-through-activation-of-the-nrf2-are-pathway
#12
Shih-Yu Lee, Po-Yu Chen, Jung-Chun Lin, Nicholas S Kirkby, Ching-Huei Ou, Tsu-Chung Chang
Melaleuca alternifolia concentrate (MAC) is the refined essential oil of the Australian native plant Melaleuca alternifolia. MAC has been reported to suppress the production of pro-inflammatory cytokines in both murine RAW264.7 macrophages and human monocytes stimulated with lipopolysaccharide (LPS). However, the mechanisms involved in this effect remain unclear. This study aims to delineate the molecular mechanisms that drive the anti-inflammatory activity of MAC and its active component, terpinen-4-ol, in macrophages...
November 9, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29075250/itraq-proteomic-analysis-reveals-that-metabolic-pathways-involving-energy-metabolism-are-affected-by-tea-tree-oil-in-botrytis-cinerea
#13
Jiayu Xu, Xingfeng Shao, Yingying Wei, Feng Xu, Hongfei Wang
Tea tree oil (TTO) is a volatile essential oil obtained from the leaves of the Australian tree Melaleuca alternifolia by vapor distillation. Previously, we demonstrated that TTO has a strong inhibitory effect on Botrytis cinerea . This study investigates the underlying antifungal mechanisms at the molecular level. A proteomics approach using isobaric tags for relative and absolute quantification (iTRAQ) was adopted to investigate the effects of TTO on B. cinerea . A total of 718 differentially expression proteins (DEPs) were identified in TTO-treated samples, 17 were markedly up-regulated and 701 were significantly down-regulated...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29044981/use-of-biocontrol-agents-and-botanicals-in-integrated-management-of-botrytis-cinerea-in-table-grape-vineyards
#14
Caterina Rotolo, Rita M De Miccolis Angelini, Crescenza Dongiovanni, Stefania Pollastro, Giulio Fumarola, Michele Di Carolo, Donato Perrelli, Patrizia Natale, Francesco Faretra
BACKGROUND: There is increasing interest in the use of biological control agents (BCAs) and botanicals (BOTs) due to increasing awareness of the environmental and human health risks associated with synthetic plant protection products. The BCAs Bacillus subtilis strain QST713, Bacillus amyloliquefaciens strain D747 and Aureobasidium pullulans strains DSM14940 and DSM14941, and the BOTs Melaleuca alternifolia and terpenic extracts are proposed for the control of grey mould in vineyards...
March 2018: Pest Management Science
https://www.readbyqxmd.com/read/29042733/effect-of-melaleuca-alternifolia-mixed-with-tissue-conditioners-in-varying-doses-on-colonization-and-inhibition-of-candida-albicans-an-in-vitro-study
#15
Siva Kumar Vankadara, Rajendra Basavaraj Hallikerimath, Viraj Patil, Kishore Bhat, Mallikarjun Hanumantappa Doddamani
AIMS AND OBJECTIVES: The study was conducted to evaluate the Colonization & Inhibition of Candida albicans in selected commercially available denture lining materials material by mixing them with varying concentrations and doses of tea tree oil. MATERIALS AND METHODS: Five test discs of 10mm diameter and 1.5mm thickness were prepared using commercially available soft denture lining materials (Viscogel and GC-soft). Tea tree oil of varying concentrations (10%, 20%, 30%, and 40%) and doses (0...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28978322/four-terpene-synthases-contribute-to-the-generation-of-chemotypes-in-tea-tree-melaleuca-alternifolia
#16
Amanda Padovan, Andras Keszei, Yasmin Hassan, Sandra T Krause, Tobias G Köllner, Jörg Degenhardt, Jonathan Gershenzon, Carsten Külheim, William J Foley
BACKGROUND: Terpene rich leaves are a characteristic of Myrtaceae. There is significant qualitative variation in the terpene profile of plants within a single species, which is observable as "chemotypes". Understanding the molecular basis of chemotypic variation will help explain how such variation is maintained in natural populations as well as allowing focussed breeding for those terpenes sought by industry. The leaves of the medicinal tea tree, Melaleuca alternifolia, are used to produce terpinen-4-ol rich tea tree oil, but there are six naturally occurring chemotypes; three cardinal chemotypes (dominated by terpinen-4-ol, terpinolene and 1,8-cineole, respectively) and three intermediates...
October 4, 2017: BMC Plant Biology
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
#17
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/28782167/plants-of-the-melaleuca-genus-as-antimicrobial-agents-from-farm-to-pharmacy
#18
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)...
October 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28771760/transcriptome-analysis-of-terpene-chemotypes-of-melaleuca-alternifolia-across-different-tissues
#19
Carlos Bustos-Segura, Amanda Padovan, David Kainer, William J Foley, Carsten Külheim
Plant chemotypes or chemical polymorphisms are defined by discrete variation in secondary metabolites within a species. This variation can have consequences for ecological interactions or the human use of plants. Understanding the molecular basis of chemotypic variation can help to explain how variation of plant secondary metabolites is controlled. We explored the transcriptomes of the 3 cardinal terpene chemotypes of Melaleuca alternifolia in young leaves, mature leaves, and stem and compared transcript abundance to variation in the constitutive profile of terpenes...
August 3, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28749029/ecotype-variation-of-methyl-eugenol-content-in-tea-tree-melaleuca-alternifolia-and-melaleuca-linariifolia
#20
Mervyn Shepherd, Dale Savins, Ashley Dowell, Samantha Morrow, Gareth Allen, Ian Southwell
Methyl eugenol is a natural phenylpropanoid compound found in a wide range of plants used for food, flavouring, cosmetics, and health-care. As a suspected rodent carcinogen, methyl eugenol may also be harmful to humans when present in significant concentrations. Consequently, its level has been restricted in some foodstuffs and cosmetics for some markets. In order to assess the potential to breed uniformly low methyl eugenol cultivars for an essential oil crop, tea tree, the source of 'Oil of Melaleuca, terpinene-4-ol type', we examine levels in individual trees (n = 30) from two geographic regions and six terpene chemotypes...
November 2017: Chemistry & Biodiversity
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