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https://www.readbyqxmd.com/read/28091830/physio-pharmacological-investigations-about-the-anti-inflammatory-and-antinociceptive-efficacy-of-limonene-epoxide
#1
Antonia Amanda Cardoso de Almeida, Renan Oliveira Silva, Lucas Antonio Duarte Nicolau, Tarcísio Vieira de Brito, Damião Pergentino de Sousa, André Luiz Dos Reis Barbosa, Rivelilson Mendes de Freitas, Luciano da Silva Lopes, Jand-Venes Rolim Medeiros, Paulo Michel Pinheiro Ferreira
D-limonene epoxidation generates (+)-limonene epoxide, an understudied compound in the pharmacologically point of view. Herein, we investigated the anti-inflammatory and antinociceptive potentialities of (+)-limonene epoxide and suggested a mechanism of action. The anti-inflammatory potential was analyzed using agents to induce paw edema, permeability, and myeloperoxidase (MPO) activity. Pro-inflammatory cytokines and cell migration of peritoneal cells were also assessed. Antinociceptive effects were evaluated by writhing test induced by acetic acid, formalin, and hot plate assays and contribution of opioid pathways...
January 16, 2017: Inflammation
https://www.readbyqxmd.com/read/28089045/biotransformation-of-limonene-by-an-endophytic-fungus-using-synthetic-and-orange-residue-based-media
#2
Mário Cesar Jucoski Bier, Adriane Bianchi Pedroni Medeiros, Carlos Ricardo Soccol
Aroma and fragrances have high commercial value for use in food, cosmetics and perfumes. The biotransformation of terpenes by microorganisms represents an attractive alternative method for production of flavourings. Endophytic fungi offer a great potential for the production of several groups of compounds; however, few studies have evaluated the biotransformation of limonene. Following preliminary studies on the biotransformation of limonene, submerged fermentation was carried out using an endophytic fungus isolated from Pinus taeda and identified as Phomopsis sp...
February 2017: Fungal Biology
https://www.readbyqxmd.com/read/28079964/bab-random-c-monomer-sequence-via-radical-terpolymerization-of-limonene%C3%A2-a-maleimide%C3%A2-b-and-methacrylate%C3%A2-c-terpene-polymers-with-randomly-distributed-periodic-sequences
#3
Masataka Ojika, Kotaro Satoh, Masami Kamigaito
A naturally abundant terpene, limonene (A), was radically polymerized with a maleimide derivative (B) and methacrylate (C) in a fluorinated alcohol to give terpolymers with unprecedented BAB-random-C sequences in which the BAB monomer sequence was randomly copolymerized with a C unit. In each binary system, limonene was hardly copolymerized with methacrylate while it was efficiently copolymerized with maleimide to result in a 1:2-alternating BAB periodic sequence, in part due to the penultimate effects and hydrogen-bonding interactions with fluoroalcohol...
January 12, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28079933/co-expression-of-peppermint-geranyl-diphosphate-synthase-small-subunit-enhances-monoterpene-production-in-transgenic-tobacco-plants
#4
Jun-Lin Yin, Woon-Seng Wong, In-Cheol Jang, Nam-Hai Chua
Monoterpenes are important for plant survival and useful to humans. In addition to their function in plant defense, monoterpenes are also used as flavors, fragrances and medicines. Several metabolic engineering strategies have been explored to produce monoterpene in tobacco but only trace amounts of monoterpenes have been detected. We investigated the effects of Solanum lycopersicum 1-deoxy-d-xylulose-5-phosphate synthase (SlDXS), Arabidopsis thaliana geranyl diphosphate synthase 1 (AtGPS) and Mentha × piperita geranyl diphosphate synthase small subunit (MpGPS...
February 2017: New Phytologist
https://www.readbyqxmd.com/read/28071802/essential-oils-against-pathogen-and-spoilage-microorganisms-of-fruit-juices-use-of-versatile-antimicrobial-delivery-systems
#5
Valentina Trinetta, Mark T Morgan, John N Coupland, Umut Yucel
Essential oils (EO) are increasingly used as natural antimicrobial compounds, however the effect of delivery system to enhance their antimicrobial activity has not been widely studied. Limonene (0 to 10 μL/mL) was added to microbial suspensions (∼10(5) CFU/mL) of selected foodborne pathogens (Listeria monocytogenes Scott A, Salmonella enterica Typhimurium, Escherichia coli and Staphylococcus aureus), and spoilage microorganisms (Lactobacillus plantarum, Saccharomyces cerevisiae, and Candida albicans). S...
January 10, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28069125/limonene-encapsulation-in-freeze-dried-gellan-systems
#6
Vasiliki Evageliou, Dimitra Saliari
The encapsulation of limonene in freeze-dried gellan systems was investigated. Surface and encapsulated limonene content was determined by measurement of the absorbance at 252nm. Gellan matrices were both gels and solutions. For a standard gellan concentration (0.5wt%) gelation was induced by potassium or calcium chloride. Furthermore, gellan solutions of varying concentrations (0.25-1wt%) were also studied. Limonene was added at two different concentrations (1 and 2mL/100g sample). Gellan gels encapsulated greater amounts of limonene than solutions...
May 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28063510/converting-citrus-wastes-into-value-added-products-economic-and-environmently-friendly-approaches
#7
REVIEW
Kavita Sharma, Neelima Mahato, Moo Hwan Cho, Yong Rok Lee
Citrus fruits, including oranges, grapefruits, lemons, limes, tangerines, and mandarins, are among the most widely cultivated fruits around the globe. Its production is increasing every year due to rising consumer demand. Citrus-processing industries generate huge amounts of wastes every year, and citrus peel waste alone accounts for almost 50% of the wet fruit mass. Citrus waste is of immense economic value as it contains an abundance of various flavonoids, carotenoids, dietary fiber, sugars, polyphenols, essential oils, and ascorbic acid, as well as considerable amounts of some trace elements...
February 2017: Nutrition
https://www.readbyqxmd.com/read/28043195/ameliorative-effects-of-gallic-acid-quercetin-and-limonene-on-urethane-induced-genotoxicity-and-oxidative-stress-in-drosophila-melanogaster
#8
Isha Nagpal, Suresh K Abraham
The main objective of our present work was to ascertain the efficacy of Drosophila melanogaster model for assessing antigenotoxic and antioxidant effects of dietary phytochemicals gallic acid (GA), quercetin (QC) and limonene (Lim) against urethane (URE), a genotoxic environmental carcinogen. Oregon-K (ORK) adult male flies were fed GA, QC and Lim in combination with URE (20mM) in 10% sucrose for 72h. Third instar larvae were fed instant medium containing the above phytochemicals and URE for 24h. Sex-linked recessive lethal test (SLRL) and assays for estimating glutathione content (GSH), glutathione S- transferase (GST), catalase (CAT), superoxide dismutase (SOD) and lipid peroxidation (MDA content) were performed...
January 2, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28032110/chemical-compositions-of-the-peel-essential-oil-of-citrus-aurantium-and-its-natural-larvicidal-activity-against-the-malaria-vector-anopheles-stephensi-diptera-culicidae-in-comparison-with-citrus-paradisi
#9
Alireza Sanei-Dehkordi, Mohammad Mehdi Sedaghat, Hassan Vatandoost, Mohammad Reza Abai
BACKGROUND: Recently, essential oils and extracts derived from plants have received much interest as potential bio-active agents against mosquito vectors. METHODS: The essential oils extract from fresh peel of ripe fruit of Citrus aurantium and Citrus paradisi were tested against mosquito vector Anopheles stephensi (Diptera: Culicidae) under laboratory condition. Then chemical composition of the essential oil of C. aurantium was analyzed using gas chromatography-mass spectrometry (GC-MS)...
December 2016: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/28027428/pinecone-of-pinus-koraiensis-inducing-apoptosis-in-human-lung-cancer-cells-by-activating-caspase-3-and-its-chemical-constituents
#10
Tae Kyoung Lee, Hyun-Soo Roh, Jae Sik Yu, Jiwon Baek, Seul Lee, Moonjin Ra, Sun Young Kim, Kwan-Hyuck Baek, Ki Hyun Kim
Pinecones from Pinus koraiensis Siebold & Zucc. (Pinaceae), which have historically been treated as an undesired waste by-product in the processing of seeds, have recently been shown to contain ingredients with potent biological activities, such as polyphenols exhibiting anti-tumor activity. With this study, we seek to broaden our understanding of anti-tumor compounds contained in these pinecones beyond just polyphenols. We found that the water extract of P. koraiensis pinecones exhibits significant anti-cancer activity, with IC50 values ranging from 0...
December 27, 2016: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28017992/a-comparative-study-of-nutmeg-myristica-fragrans-houtt-oleoresins-obtained-by-conventional-and-green-extraction-techniques
#11
Nashwa F S Morsy
This study evaluated the effect of conventional maceration and ultrasound assisted extraction techniques on the extraction yield, chemical composition and sensory characteristics of nutmeg oleoresins. Extraction was performed using material: absolute ethanol ratio 1:4, at room temperature. The volatile components of the oleoresin were identified by gas chromatography-mass spectrometry. The results of the study showed that the yield ranged from 4.55 to 9.63 %. Fifty-three compounds in the nutmeg oleoresin have been identified to account for >90 % of the total oil content...
October 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28017987/antifungal-efficacy-of-plant-essential-oils-against-stored-grain-fungi-of-fusarium-spp
#12
Peeyush Kumar, Sapna Mishra, Atul Kumar, Amit Kumar Sharma
The control potential of seven plant essential oils was evaluated against Fusarium proliferatum (Matsushima) Nirenberg and Fusarium verticillioides Sheldon. The fungicidal activity was assessed through microtiter plate assay to determine the minimum inhibitory and fungicidal concentration of essential oils. The essential oil of Mentha arvensis was adjudged as best for inhibiting the fungal growth, while oil of Thymus vulgaris and Anethum graveolens showed high efficacy in terms of fungicidal activity. The oil of M...
October 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28017541/production-of-flavor-compounds-from-olive-mill-waste-by-rhizopus-oryzae-and-candida-tropicalis
#13
Onur Guneser, Asli Demirkol, Yonca Karagul Yuceer, Sine Ozmen Togay, Muge Isleten Hosoglu, Murat Elibol
The purpose of this study was to investigate the production of flavor compounds from olive mill waste by microbial fermentation of Rhizopus oryzae and Candida tropicalis. Olive mill waste fermentations were performed in shake and bioreactor cultures. Production of flavor compounds from olive mill waste was followed by Gas Chromatography-Mass spectrometry, Gas chromatography- olfactometry and Spectrum Sensory Analysis(®). As a result, 1.73-log and 3.23-log cfu/mL increases were observed in the microbial populations of R...
November 23, 2016: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28012393/modulatory-effect-of-standardised-amentoflavone-isolated-from-juniperus-communis-l-agianst-freund-s-adjuvant-induced-arthritis-in-rats-histopathological-and-x-ray-anaysis
#14
Souravh Bais, Naveena Abrol, Yash Prashar, Renu Kumari
ETHOPHARMACOLOGIC RELEVANCE: Juniperus communis. L. is a shrub or small evergreen tree, native to Europe, South Asia, and North America, and belongs to family Cupressaceae. It has been used traditionally in unani system and in Swedish medicine as a decoction in inflammatory diseases. The main chemical constituents, which were reported in J. communis L. was α-pinene,, apigenin, sabinene, β-sitosterol, campesterol, limonene, Amentoflavone (AF), cupressuflavone, and many others. AIM: The aim of present study was to isolate the amentoflavone from the plant juniperus communis L...
December 21, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28009446/distribution-of-enantiomers-of-volatile-organic-compounds-in-selected-fruit-distillates
#15
Olga Vyviurska, Helena Zvrškovcová, Ivan Špánik
The enantiomer ratios of chiral volatile organic compounds in fruit distillates were determined by multidimensional gas chromatography using solid-phase microextraction (SPME) as a sample treatment procedure. Linalool and its oxides, limonene, α-terpineol, and nerolidol, were present at the highest concentration levels, while significantly lower amounts of β-citronellol and lactones were found in the studied samples. However, almost all terpenoids mainly occur as a racemic or near-racemic mixture; enantiomer distribution of some chiral organic compounds in fruit distillates correlated to a botanical origin...
December 23, 2016: Chirality
https://www.readbyqxmd.com/read/27989598/effect-of-trans-anethole-limonene-and-your-combination-in-nutritional-components-and-their-reflection-on-reproductive-parameters-and-testicular-apoptosis-in-spodoptera-frugiperda-lepidoptera-noctuidae
#16
Glaucilane S Cruz, Valéria Wanderley-Teixeira, José V Oliveira, Carolline G D' Assunção, Franklin M Cunha, Álvaro A C Teixeira, Carolina A Guedes, Kamilla A Dutra, Douglas R S Barbosa, Mariana O Breda
Spodoptera frugiperda is a major pest in several crops due to its polyphagous habit. Studies on the use of essential oils for pest control have been increasing over the years, presenting itself as a promising alternative with less environmental impact. Chemical profile evaluations of essential oils enable the knowledge and use of major compounds, providing a better understanding of their actions in the life history of insects. Thus, the study evaluated the effects of the major compounds limonene, trans-anethole and the combined effects upon nutrition, reproduction and testicular apoptosis in S...
December 16, 2016: Chemico-biological Interactions
https://www.readbyqxmd.com/read/27989477/monoterpene-emissions-in-response-to-long-term-night-time-warming-elevated-co2-and-extended-summer-drought-in-a-temperate-heath-ecosystem
#17
Päivi Tiiva, Jing Tang, Anders Michelsen, Riikka Rinnan
Monoterpenes emitted from plants have an important role in atmospheric chemistry through changing atmospheric oxidative capacity, forming new particles and secondary organic aerosols. The emission rates and patterns can be affected by changing climate. In this study, emission responses to six years of climatic manipulations (elevated CO2, extended summer drought and night-time warming) were investigated in a temperate semi-natural heath ecosystem. Samples for monoterpene analysis were collected in seven campaigns during an entire growing season (April-November, 2011)...
December 15, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27987998/preparation-and-characterization-of-intelligent-starch-pva-films-for-simultaneous-colorimetric-indication-and-antimicrobial-activity-for-food-packaging-applications
#18
Bin Liu, Han Xu, Huiying Zhao, Wei Liu, Liyun Zhao, Yuan Li
We have developed an intelligent starch/poly-vinyl alcohol (PVA) film that is capable of monitoring pH changes and inhibiting undesired microbial growth in foods. Starch and PVA polymers in the film were doubly cross-linked by sodium trimetaphosphate and boric acid to improve their water-resistance and mechanical strength. Anthocyanins (ANT) and limonene (LIM) were used to achieve simultaneous colorimetric indication and antimicrobial activity. Firstly, the characterization of surface morphology using SEM confirmed that the starch-PVA-ANT-LIM film possessed a smooth surface...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27979249/stable-isotope-dilution-assay-sida-and-hs-spme-gcms-quantification-of-key-aroma-volatiles-for-fruit-and-sap-of-australian-mango-cultivars
#19
Anh T San, Daryl C Joyce, Peter J Hofman, Andrew J Macnish, Richard I Webb, Nicolas J Matovic, Craig M Williams, James J De Voss, Siew H Wong, Heather E Smyth
Reported herein is a high throughput method to quantify in a single analysis the key volatiles that contribute to the aroma of commercially significant mango cultivars grown in Australia. The method constitutes stable isotope dilution analysis (SIDA) in conjunction with headspace (HS) solid-phase microextraction (SPME) coupled with gas-chromatography mass spectrometry (GCMS). Deuterium labelled analogues of the target analytes were either purchased commercially or synthesised for use as internal standards. Seven volatiles, hexanal, 3-carene, α-terpinene, p-cymene, limonene, α-terpinolene and ethyl octanoate, were targeted...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27979165/enhancing-the-antimicrobial-activity-of-d-limonene-nanoemulsion-with-the-inclusion-of-%C3%AE%C2%B5-polylysine
#20
Mohamed Reda Zahi, Mohamed El Hattab, Hao Liang, Qipeng Yuan
The objective of this research was to investigate the synergism between ε-polylysine and d-limonene and develop a novel nanoemulsion system by merging the positive effect of these two antimicrobial agents. Results from the checkerboard method showed that ε-polylysine and d-limonene exhibit strong synergistic and useful additive effects against Escherichia coli, Staphylococcus aureus, Bacillus subtilis and Saccharomyces cerevisiae. In addition, d-limonene nanoemulsion with the inclusion of ε-polylysine was successfully prepared by high pressure homogenizer technology...
April 15, 2017: Food Chemistry
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