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essential oil

Parva Nasimi, Mohammad Reza Tabandeh, Sayad Roohi
Here, we studied the protective effects of Satureja Khuzestanica essential oil (SKEO) as a potent anti-oxidant, against damage caused by chemotherapy with busulfan in testis and epididymal sperm of adult mice. The NMRI adult mice were assigned: G1: control, G2: was treated with busulfan (4 days, 3.2 mg/kg), G3: was treated with busulfan (4 days, 3.2 mg/kg) and SKEO (28 days, 225 mg/kg) at the same time, and G4: was pre-treated with SKEO (7 days, 225 mg/kg) and subsequently co-treated with busulfan (4 days, 3...
March 20, 2018: Systems Biology in Reproductive Medicine
Kim L Gonzalez, Sarah E Ratzel, Kendall H Burks, Charles H Danan, Jeanne M Wages, Bethany K Zolman, Bonnie Bartel
Peroxisomes are eukaryotic organelles critical for plant and human development because they house essential metabolic functions, such as fatty acid β-oxidation. The interacting ATPases PEX1 and PEX6 contribute to peroxisome function by recycling PEX5, a cytosolic receptor needed to import proteins targeted to the peroxisomal matrix. Arabidopsis pex6 mutants exhibit low PEX5 levels and defects in peroxisomal matrix protein import, oil body utilization, peroxisomal metabolism, and seedling growth. These defects are hypothesized to stem from impaired PEX5 retrotranslocation leading to PEX5 polyubiquitination and consequent degradation of PEX5 via the proteasome or of the entire organelle via autophagy...
March 19, 2018: Proceedings of the National Academy of Sciences of the United States of America
Nevena Kardum, Maria Glibetic
Regular and optimal intake of polyphenols associates with numerous health-promoting effects. Bioavailability and activity of polyphenols depend on foods' structure and interactions with other food constituents, especially proteins, lipids, and carbohydrates. Polyphenols-proteins interactions can result in various biological effects, such as sense of astringency. So far, polyphenols interactions with food lipids have not been of special importance, except in case of plant oils. Polyphenols-carbohydrates interactions can influence the organoleptic properties, while interactions with dietary fibers are particularly significant...
2018: Advances in Food and Nutrition Research
Amjed Alabresm, Yung Pin Chen, Alan W Decho, Jamie Lead
Releases of crude oil and other types of oil from numerous sources can impose catastrophic physical, chemical, and biological effects on aquatic ecosystems. While currently-used oil removal techniques possess many advantages, they have inherent limitations, including low removal efficiencies and waste disposal challenges. The present study quantified the synergistic interactions of polyvinylpyrrolidone (PVP) coated magnetite nanoparticles (NP) and oil-degrading bacteria for enhanced oil removal at the laboratory scale...
March 2, 2018: Science of the Total Environment
R Aharonov-Nadborny, L Tsechansky, M Raviv, E R Graber
Olive mill wastewater (OMWW) is an acidic, saline, and organic matter-rich aqueous byproduct of olive oil production that is usually disposed of by spreading on agricultural soils. This study tested whether spreading OMWW can release indigenous soil metals (Fe, Mn, Cu and Zn) through pH, redox, and DOM complexation-related mechanisms, using three agricultural soils having different textures and chemical properties, and controlled pH and redox conditions (pH5.6 or 8.4; ORP from -200 to +250mV). Comparison treatments included a solution having the same salt content and composition as OMWW but lacking OM, and deionized water (DW)...
March 1, 2018: Science of the Total Environment
Angelica Plata-Rueda, Juliana Mendonça Campos, Gabriela da Silva Rolim, Luis Carlos Martínez, Marcelo Henrique Dos Santos, Flávio Lemes Fernandes, José Eduardo Serrão, José Cola Zanuncio
This study evaluated toxic effects, repellency and respiration rate caused by terpenoid constituents of cinnamon and clove essential oils and against Sitophilus granarius L. (Coleoptera: Curculionidae). The lethal concentrations (LC50 and LC90 ), repellent effect, and behavior repellency response on adults of S. granarius after exposure to six concentrations of each essential oil and terpenoids were evaluated. The chemical composition of the cinnamon oil was also determined and primary compounds were eugenol (10...
March 16, 2018: Ecotoxicology and Environmental Safety
Mohammed Mansour Quradha, Rasool Khan, Mujeeb-Ur- Rehman, Abdulrahman Abohajeb
Chemical composition, antioxidant, anticancer, and antimacrobial activities of essential oil obtained from leaves of Rumex nervosus has been evaluated here for the first time. GC/MS analysis reveals the presence of Palmitoleic Acid (28.35%) and Palmitic acid, (25. 37%) as their methyl ester as major components. The essential oil showed significant DPPH radical scavenging activity (94.907 ± 0.1089% and 94.003 ± 0.0749%) at concentration (100 and 80) μg/mL respectively. The oil showed promising activity against staph aureus, while showed weak activity against (Hela and 3T3) cell lines...
March 19, 2018: Natural Product Research
Wen-Long Liu, Xi-Li Zhang, Shi-Qi Fan, Jun-Ping Zhu, Hui-Hui Liang, Yu-Tian Zhang, Mei-Feng Xiao, Yan Zeng, Hong He, Fu-Yuan He, Xiao-Qin Xiao
BACKGROUND: Drugs derived from botany have been playing essential role in both clinical treatment and pharmaceutical industry, unfortunately our worry is still that its quality and therapeutic efficacy are inconsistent. Recently many scientists launched a new project on quality (Q)-marker of medicinal herbs, this study was thus designed to generate a novel concept of quality (Q)-markers: molecular connectivity index (MCI), and to test and verify the new concept of molecular connectivity index (MCI)...
March 8, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Stephane L Ngahang Kamte, Farahnaz Ranjbarian, Kevin Cianfaglione, Stefania Sut, Stefano Dall'Acqua, Maurizio Bruno, Fariba Heshmati Afshar, Romilde Iannarelli, Giovanni Benelli, Loredana Cappellacci, Anders Hofer, Filippo Maggi, Riccardo Petrelli
The Apiaceae family encompasses aromatic plants of economic importance employed in foodstuffs, beverages, perfumery, pharmaceuticals and cosmetics. Apiaceae are rich sources of essential oils because of the wealth of secretory structures (ducts and vittae) they are endowed with. The Apiaceae essential oils are available on an industrial level because of the wide cultivation and disposability of the bulky material from which they are extracted as well as their relatively cheap price. In the fight against protozoal infections, essential oils may represent new therapeutic options...
March 14, 2018: Ecotoxicology and Environmental Safety
Jin-Woo Kim, Zhong Lu
West Texas' Permian Basin, consisting of ancient marine rocks, is underlain by water-soluble rocks and multiple oil-rich formations. In the region that is densely populated with oil producing facilities, many localized geohazards, such as ground subsidence and micro-earthquakes, have gone unnoticed. Here we identify the localized geohazards in West Texas, using the satellite radar interferometry from newly launched radar satellites that provide radar images freely to public for the first time, and probe the causal mechanisms of ground deformation, encompassing oil/gas production activities and subsurface geological characteristics...
March 16, 2018: Scientific Reports
Petra Ložnjak, Jette Jakobsen
Information on the retention of vitamin D in food following household cooking is scarce. So far the retention of its metabolites vitamin D3 , vitamin D2 , and 25-hydroxyvitamin D3 has shown that the type of food and the cooking method are the essential determinants, and there is no significant difference between the metabolites. We investigated the retention of vitamin D3 and vitamin D2 in sunflower oil, vitamin D3 in rainbow trout, and vitamin D2 in button mushrooms. The investigated cooking methods were boiling at different pH, steam cooking, microwave cooking, pan-frying, and oven baking...
July 15, 2018: Food Chemistry
Nilesh Prakash Nirmal, Ram Mereddy, Li Li, Yasmina Sultanbawa
This study focussed on the formulation, characterisation of lemon myrtle (LM) and anise myrtle (AM) essential oil (EO) in water nanoemulsion and their antibacterial activity. The required hydrophilic lipophilic balance (rHLB) value of LM EO and AM EO was 14 and 12, respectively. The Central Composite Rotatable Design (CCRD) model produces the smallest droplet size and polydispersity index (PDI) for LMEO (d ≈ 16.07 nm; PDI ≈ 0.209) and AMEO (d ≈ 30.23 nm; PDI ≈ 0.216) at 1% EO and 10% surfactant mixture (Smix) ratio using ultrasonication for 5 min...
July 15, 2018: Food Chemistry
Lokesh K Narnoliya, Rajender S Sangwan, Sudhir P Singh
Rose-scented geranium (Pelargonium sp.) is widely known as aromatic and medicinal herb, accumulating specialized metabolites of high economic importance, such as essential oils, ascorbic acid, and tartaric acid. Ascorbic acid and tartaric acid are multifunctional metabolites of human value to be used as vital antioxidants and flavor enhancing agents in food products. No information is available related to the structural and functional properties of the enzymes involved in ascorbic acid and tartaric acid biosynthesis in rose-scented geranium...
March 15, 2018: Molecular Biology Reports
Nan Zhang, Lei Zhang, Linyin Feng, Lei Yao
ETHNOPHARMACOLOGICAL RELEVANCE: Cananga odorata essential oil, known as ylang-ylang essential oil (YYO), was commonly used in the aromatherapy for relaxation and mood adjusting use. In our previous study, YYO played anxiolytic effects on the mice in several behavioral tests that based on the instinctive responses to novel environments. AIM OF THE STUDY: To investigate the effects and mechanisms of YYO reversing the anxiety induced by 5-HT2C receptor agonist 1-(3-chlorophenyl) piperazine (m-CPP)...
March 12, 2018: Journal of Ethnopharmacology
Lilian Cristina Pereira, Murilo Pazin, Mariana Furio Franco-Bernardes, Airton da Cunha Martins, Gustavo Rafael Mazzaron Barcelos, Márcio Cesar Pereira, João Paulo Mesquita, Jairo Lisboa Rodrigues, Fernando Barbosa, Daniel Junqueira Dorta
Nanotechnology is a growing branch of science that deals with the development of structural features bearing at least one dimension in the nano range. More specifically, nanomaterials are defined as objects with dimensions that range from 1 to 100 nm, which give rise to interesting properties. In particular, silver and titanium nanoparticles (AgNPs and TiNPs, respectively) are known for their biological and biomedical properties and are often used in consumer products such as cosmetics, food additives, kitchen utensils, and toys...
May 2018: Journal of Trace Elements in Medicine and Biology
Charlotte I E A van 't Klooster, Vinije Haabo, Sofie Ruysschaert, Tessa Vossen, Tinde R van Andel
BACKGROUND: Herbal baths play an important role in the traditional health care of Maroons living in the interior of Suriname. However, little is known on the differences in plant ingredients used among and within the Maroon groups. We compared plant use in herbal baths documented for Saramaccan and Aucan Maroons, to see whether similarity in species was related to bath type, ethnic group, or geographical location. We hypothesized that because of their dissimilar cultural background, they used different species for the same type of bath...
March 15, 2018: Journal of Ethnobiology and Ethnomedicine
Jun-Hwan Park, Hoi-Seon Lee
The insecticidal toxicities of essential oils and other active components extracted from Eucalyptus dives leaves (as well as structural analogues) were studied against stored-product insects, Plodia interpunctella and Tribolium castaneum. 3-Carvomenthenone was purified from E. dives oil, and the structures were elucidated by electron ionization mass spectra,1 H-nuclear magnetic resonance (NMR),13 C-NMR, heteronuclear multiple quantum coherence,1 H-1 H correlation spectroscopy, and distortionless enhancement by polarization transfer NMR...
March 15, 2018: Journal of Food Protection
Mei Wang, Vijayasankar Raman, Jianping Zhao, Bharathi Avula, Yan-Hong Wang, Philip L Wylie, Ikhlas A Khan
Correct identification of the true bay leaf ( Laurus nobilis ) and its substitutes is important not only for the quality control of the products, but also for the safety of the consumers. L. nobilis is often substituted or confused with other species, such as Cinnamomum tamala, Pimenta racemosa, Syzygium polyanthum , and Umbellularia californica. In the present study, the potential of gas chromatography combined with quadrupole time-of-flight mass spectrometry for the profiling of various bay leaf products was evaluated for the first time...
March 14, 2018: Planta Medica
María Llana-Ruiz-Cabello, María Puerto, Sara Maisanaba, Remedios Guzmán-Guillén, Silvia Pichardo, Ana M Cameán
Essential oils from Origanum spp. exhibit antioxidant and antimicrobial activities making them suitable for use as food additives. The incorporation of oregano essential oil in active food packaging is under study; however, it has been not authorized for this purpose thus far. In order to fulfill the requirements of the European Food Safety Authority (EFSA), the aim of the present study was to determine the genotoxic potential of oregano essential oil using both the micronucleus (MN) test and comet (standard and enzyme-modified) assays in Wistar rats treated with 50, 100, or 200 mg/kg body weight administered daily for 90 days...
March 14, 2018: Journal of Toxicology and Environmental Health. Part A
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
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