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https://www.readbyqxmd.com/read/29343711/silver-nanoparticles-in-the-water-environment-in-malaysia-inspection-characterization-removal-modeling-and-future-perspective
#1
Achmad Syafiuddin, Salmiati Salmiati, Tony Hadibarata, Ahmad Beng Hong Kueh, Mohd Razman Salim, Muhammad Abbas Ahmad Zaini
The current status of silver nanoparticles (AgNPs) in the water environment in Malaysia was examined and reported. For inspection, two rivers and two sewage treatment plants (STPs) were selected. Two activated carbons derived from oil palm (ACfOPS) and coconut (ACfCS) shells were proposed as the adsorbent to remove AgNPs. It was found that the concentrations of AgNPs in the rivers and STPs are in the ranges of 0.13 to 10.16 mg L-1 and 0.13 to 20.02 mg L-1, respectively, with the highest concentration measured in July...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329427/ozone-induced-vascular-contractility-and-pulmonary-injury-are-differentially-impacted-by-diets-enriched-with-coconut-oil-fish-oil-and-olive-oil
#2
Samantha J Snow, Wan-Yun Cheng, Andres Henriquez, Myles Hodge, Virgina Bass, Gail M Nelson, Gleta Carswell, Judy E Richards, Mette C Schladweiler, Allen D Ledbetter, Brian Chorley, Kymberly M Gowdy, Haiyan Tong, Urmila P Kodavanti
Fish, olive, and coconut oil dietary supplementation have several cardioprotective benefits, but it is not established if they protect against air pollution-induced adverse effects. We hypothesized that these dietary supplements would attenuate ozone-induced systemic and pulmonary effects. Male Wistar Kyoto rats were fed either a normal diet, or a diet supplemented with fish, olive, or coconut oil for 8 weeks. Animals were then exposed to air or ozone (0.8 ppm), 4h/day for 2 days. Ozone exposure increased phenylephrine-induced aortic vasocontraction, which was completely abolished in rats fed the fish oil diet...
January 10, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29321980/transcriptome-sequencing-and-de-novo-assembly-in-arecanut-areca-catechu-l-elucidates-the-secondary-metabolite-pathway-genes
#3
Ramaswamy Manimekalai, Smita Nair, A Naganeeswaran, Anitha Karun, Suresh Malhotra, V Hubbali
Areca catechu L. belongs to the Arecaceae family which comprises many economically important palms. The palm is a source of alkaloids and carotenoids. The lack of ample genetic information in public databases has been a constraint for the genetic improvement of arecanut. To gain molecular insight into the palm, high throughput RNA sequencing and de novo assembly of arecanut leaf transcriptome was undertaken in the present study. A total 56,321,907 paired end reads of 101 bp length consisting of 11.343 Gb nucleotides were generated...
March 2018: Biotechnology Reports
https://www.readbyqxmd.com/read/29310314/determination-of-silicon-in-biomass-and-products-of-pyrolysis-process-via-high-resolution-continuum-source-atomic-absorption-spectrometry
#4
Flávio V Nakadi, Caroline Prodanov, Wiliam Boschetti, Maria Goreti R Vale, Bernhard Welz, Jailson B de Andrade
Thermochemical processes can convert the biomass into fuels, such as bio-oil. The biomass submitted to pyrolysis process, such as fibers, are generally rich in silicon, an element that can lead to damages in an engine when there is high concentration in a fuel. High-resolution continuum source atomic absorption spectrometry (HR-CS AAS) is an interesting alternative for Si determination in the products and byproducts of the pyrolysis process because, besides the flame (F) and graphite furnace (GF) atomizers, it has enhanced the application of direct analysis of solid samples (SS) within GF...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29287444/polycyclic-aromatic-hydrocarbons-content-and-fatty-acids-profile-in-coconut-safflower-evening-primrose-and-linseed-oils
#5
Simone Alves da Silva, Elizabeth A F da Silva Torres, Adriana Palma de Almeida, Geni Rodrigues Sampaio
This study aimed at evaluating the polycyclic aromatic hydrocarbons (PAHs) contamination of commercial vegetable oils and examined the identity through the fatty acids profiles. Coconut, safflower, evening primrose, and linseed oils marketed in São Paulo (Brazil) were investigated totaling 69 samples. Four PAHs, benzo[a]anthracene (BaA), chrysene (Chr), benzo[b]fluoranthene (BbF), and benzo[a]pyrene (BaP), were detected in 96% of the samples at individual levels ranging from not detected to 14.99 μg kg-1...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29287320/effect-of-ripening-inhibitor-type-on-formation-stability-and-antimicrobial-activity-of-thyme-oil-nanoemulsion
#6
Victor Ryu, David J McClements, Maria G Corradini, Lynne McLandsborough
The objective of this research was to study the impact of ripening inhibitor level and type on the formation, stability, and activity of antimicrobial thyme oil nanoemulsions formed by spontaneous emulsification. Oil-in-water antimicrobial nanoemulsions (10 wt%) were formed by titrating a mixture of essential oil, ripening inhibitor, and surfactant (Tween 80) into 5 mM sodium citrate buffer (pH 3.5). Stable nanoemulsions containing small droplets (d < 70 nm) were formed. The antimicrobial activity of the nanoemulsions decreased with increasing ripening inhibitor concentration which was attributed to a reduction in the amount of hydrophobic antimicrobial constituents transferred to the separated hydrophobic domain, mimicking bacterial cell membranes, by using dialysis and chromatography...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29284028/a-microfluidic-thermometer-precise-temperature-measurements-in-microliter-and-nanoliter-scale-volumes
#7
Brittney A McKenzie, William H Grover
Measuring the temperature of a sample is a fundamental need in many biological and chemical processes. When the volume of the sample is on the microliter or nanoliter scale (e.g., cells, microorganisms, precious samples, or samples in microfluidic devices), accurate measurement of the sample temperature becomes challenging. In this work, we demonstrate a technique for accurately determining the temperature of microliter volumes using a simple 3D-printed microfluidic chip. We accomplish this by first filling "microfluidic thermometer" channels on the chip with substances with precisely known freezing/melting points...
2017: PloS One
https://www.readbyqxmd.com/read/29280987/anti-inflammatory-and-skin-barrier-repair-effects-of-topical-application-of-some-plant-oils
#8
REVIEW
Tzu-Kai Lin, Lily Zhong, Juan Luis Santiago
Plant oils have been utilized for a variety of purposes throughout history, with their integration into foods, cosmetics, and pharmaceutical products. They are now being increasingly recognized for their effects on both skin diseases and the restoration of cutaneous homeostasis. This article briefly reviews the available data on biological influences of topical skin applications of some plant oils (olive oil, olive pomace oil, sunflower seed oil, coconut oil, safflower seed oil, argan oil, soybean oil, peanut oil, sesame oil, avocado oil, borage oil, jojoba oil, oat oil, pomegranate seed oil, almond oil, bitter apricot oil, rose hip oil, German chamomile oil, and shea butter)...
December 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29274033/supplementation-with-an-insoluble-fiber-obtained-from-carob-pod-ceratonia-siliqua-l-rich-in-polyphenols-prevents-dyslipidemia-in-rabbits-through-sirt1-pgc-1%C3%AE-pathway
#9
María Valero-Muñoz, Sandra Ballesteros, Baltasar Ruiz-Roso, Lourdes Pérez-Olleros, Beatriz Martín-Fernández, Vicente Lahera, Natalia de Las Heras
PURPOSE: To investigate the mechanism implicated in the effect of an insoluble fiber (obtained from carob pod) rich in polyphenols (IFCP) in lipid metabolism in the liver. METHODS: Male New Zealand rabbits were fed with the following diets for 8 weeks: control diet (CT group), dyslipidemic diet supplemented with 0.5% cholesterol + 14% coconut oil (DL group) and dyslipidemic diet containing 0.5% cholesterol + 14% coconut oil plus 3% IFCP (DL + IFCP group)...
December 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29260544/natural-organochlorines-as-precursors-of-3-monochloropropandiol-esters-in-vegetable-oils
#10
Soon Huat Tiong, Norliza Saparin, Huey Fang Teh, Theresa Lee Mei Ng, Mohd Zairey Bin Md Zain, Bee Keat Neoh, Ahmadilfitri Md Noor, Chin Ping Tan, Oi-Ming Lai, David R Appleton
During high-temperature refining of vegetable oils, 3-monochloropropandiol (3-MCPD) esters, possible carcinogens, are formed from acylglycerol in the presence of a chloride source. To investigate organochlorine compounds in vegetable oils as possible precursors for 3-MCPD esters, we tested crude palm, soybean, rapeseed, sunflower, corn, coconut and olive oils for the presence of organochlorine compounds. Having found them in all vegetable oils tested, we focused subsequent study on oil palm products. Analysis of chlorine isotope mass pattern exhibited in high-resolution mass spectrometry enabled organochlorine compounds identification in crude palm oils as constituents of wax esters, fatty acid, diacylglycerols, and sphingolipids, which are produced endogenously in oil palm mesocarp throughout ripening...
December 20, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29259829/antibacterial-activity-of-free-fatty-acids-from-hydrolyzed-virgin-coconut-oil-using-lipase-from-candida-rugosa
#11
Van Thi Ai Nguyen, Truong Dang Le, Hoa Ngoc Phan, Lam Bich Tran
Free fatty acids (FFAs) were obtained from hydrolyzed virgin coconut oil (VCO) by Candida rugosa lipase (CRL). Four factors' influence on hydrolysis degree (HD) was examined. The best hydrolysis conditions in order to get the highest HD value were determined at VCO to buffer ratio 1 : 5 (w/w), CRL concentration 1.5% (w/w oil), pH 7, and temperature 40°C. After 16 hours' reaction, the HD value achieved 79.64%. FFAs and residual hydrolyzed virgin coconut oil (HVCO) were isolated from the hydrolysis products...
2017: Journal of Lipids
https://www.readbyqxmd.com/read/29250753/the-purification-and-characterization-of-lipases-from-lasiodiplodia-theobromae-and-their-immobilization-and-use-for-biodiesel-production-from-coconut-oil
#12
Balaji Venkatesagowda, Ebenezer Ponugupaty, Aneli M Barbosa-Dekker, Robert F H Dekker
The coconut kernel-associated fungus, Lasiodiplodia theobromae VBE1, was grown on coconut cake with added coconut oil as lipase inducer under solid-state fermentation conditions. The extracellular-produced lipases were purified and resulted in two enzymes: lipase A (68,000 Da)-purified 25.41-fold, recovery of 47.1%-and lipase B (32,000 Da)-purified 18.47-fold, recovery of 8.2%. Both lipases showed optimal activity at pH 8.0 and 35 °C, were activated by Ca2+, exhibited highest specificity towards coconut oil and p-nitrophenyl palmitate, and were stable in iso-octane and hexane...
December 18, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29247959/triacylglycerol-hand-shape-profile-of-argan-oil-rapid-and-simple-uhplc-pda-esi-tof-ms-and-hptlc-methods-to-detect-counterfeit-argan-oil-and-argan-oil-based-products
#13
Giordana Pagliuca, Carlotta Bozzi, Francesca Romana Gallo, Giuseppina Multari, Giovanna Palazzino, Rita Porrà, Alessia Panusa
The marketing of new argan-based products is greatly increased in the last few years and consequently, it has enhanced the number of control analysis aimed at detecting counterfeit products claiming argan oil as a major ingredient. Argan oil is produced in Morocco and it is quite expensive. Two simple methods for the rapid screening of pure oil and argan-oil based products, focused on the analysis of the triacylglycerol profile, have been developed. A three-minute-run by UHPLC-PDA allows the identification of a pure argan oil, while the same run with the MS detector allows also the analysis of products containing the oil down to 0...
December 2, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29241324/repeatedly-heated-palm-kernel-oil-induces-hyperlipidemia-atherogenic-indices-and-hepatorenal-toxicity-in-rats-beneficial-role-of-virgin-coconut-oil-supplementation
#14
Ademola C Famurewa, Onyebuchi E Nwankwo, Abiola M Folawiyo, Emeka C Igwe, Michael A Epete, Odomero G Ufebe
BACKGROUND: The literature reports that the health benefits of vegetable oil can be deteriorated by repeated heating, which leads to lipid oxidation and the formation of free radicals. Virgin coconut oil (VCO) is emerging as a functional food oil and its health benefits are attributed to its potent polyphenolic compounds. We investigated the beneficial effect of VCO supplementation on lipid profile, liver and kidney markers in rats fed repeatedly heated palm kernel oil (HPO). METHODS: Rats were divided into four groups (n = 5)...
October 2017: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/29230854/adjuvant-potential-of-virgin-coconut-oil-extract-on-antiretroviral-therapy-induced-testicular-toxicity-an-ultrastructural-study
#15
O O Ogedengbe, A I Jegede, I O Onanuga, U Offor, A I Peter, E N Akang, E C S Naidu, O O Azu
The effects of Virgin coconut oil as an adjuvant to highly active antiretroviral therapy (HAART) were investigated on the testicular ultrastructure and biochemical markers in rats. Twenty male Sprague-Dawley rats, weighing 153-169 g were divided into four groups and treated as follows: control A (distilled water), B (HAART), C (HAART+Virgin coconut oil 10 ml/kg) and D (Virgin coconut oil [VCO] 10 ml/kg). Testicular segments were evaluated using transmission electron microscopy. Serum was assayed for testosterone, luteinising hormone, follicle stimulating hormone and testicular tissue for malondialdehyde and glutathione...
December 12, 2017: Andrologia
https://www.readbyqxmd.com/read/29226031/sodium-salt-medium-chain-fatty-acids-and-bacillus-based-probiotic-strategies-to-improve-growth-and-intestinal-health-of-gilthead-sea-bream-sparus-aurata
#16
Paula Simó-Mirabet, M Carla Piazzon, Josep Alvar Calduch-Giner, Álvaro Ortiz, Mónica Puyalto, Ariadna Sitjà-Bobadilla, Jaume Pérez-Sánchez
Background: The increased demand for fish protein has led to the intensification of aquaculture practices which are hampered by nutritional and health factors affecting growth performance. To solve these problems, antibiotics have been used for many years in the prevention, control and treatment against disease as well as growth promoters to improve animal performance. Nowadays, the use of antibiotics in the European Union and other countries has been completely or partially banned as a result of the existence of antibiotic cross-resistance...
2017: PeerJ
https://www.readbyqxmd.com/read/29224791/antioxidant-and-anti-inflammatory-effects-of-virgin-coconut-oil-supplementation-abrogate-acute-chemotherapy-oxidative-nephrotoxicity-induced-by-anticancer-drug-methotrexate-in-rats
#17
Ademola C Famurewa, Patrick M Aja, Ekenechukwu K Maduagwuna, Chima A Ekeleme-Egedigwe, Odomero G Ufebe, Sharon O Azubuike-Osu
BACKGROUND: Methotrexate (MTX) is an efficacious anticancer agent constrained in clinical use due to its toxicity on non-targeted tissue, a considerable source of worry to clinicians. Because the toxicity is associated with oxidative stress and inflammation, the study explored antioxidant and anti-inflammatory effect of virgin coconut oil (VCO) supplementation in nephrotoxicity induced by MTX in rats. METHODS: Rats were randomized into 4 groups (n=6) as follows: Control group; MTX group injected with single dose of MTX (20mg/kg, ip) on day 14; VCO (5%)+MTX and VCO (15%)+MTX groups were pre-treated with VCO diet and injected with single dose of MTX (20mg/kg, ip) on day 14...
December 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29218091/angiogenic-and-wound-healing-potency-of-fermented-virgin-coconut-oil-in-vitro-and-in-vivo-studies
#18
Ahmad H Ibrahim, Haibo Li, Sawsan S Al-Rawi, Aman Shah Abdul Majid, Omar Am Al-Habib, Xiaobo Xia, Amin Ms Abdul Majid, Dan Ji
OBJECTIVE: The process of wound healing involves activation of keratinocytes, fibroblasts, endothelial cells, etc. Angiogenesis is crucial during the process of wound healing. Virgin coconut oil is widely utilized in South Asia for various purposes including food, medicinal and industrial applications. This study aimed to evaluate the potency of fermented virgin coconut oil (FVCO) in angiogenesis and wound healing via both in vitro and in vivo assays. METHODS: Human umbilical vein endothelial (HUVEC), fibroblast (CCD-18) and retinal ganglion (RGC-5) cells were cultured in medium containing different concentrations of FVCO...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29207824/comparative-evaluation-of-antiplaque-efficacy-of-coconut-oil-pulling-and-a-placebo-among-dental-college-students-a-randomized-controlled-trial
#19
Jithender Nagilla, Suhas Kulkarni, Padma Reddy Madupu, Dolar Doshi, Srikanth Reddy Bandari, Adepu Srilatha
Introduction: Oil pulling, has been extensively used as traditional Indian folk remedy since many years to prevent dental diseases and for strengthening teeth and gums. Aim: To compare and evaluate antiplaque efficacy of coconut oil pulling with a placebo among dental students, in Hyderabad city of India. Materials and Methods: A randomized controlled study was carried out among 40 dental students. Out of 40, 20 subjects were randomly assigned to study group and other 20 to control group...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29197867/topical-coconut-oil-in-very-preterm-infants-an-open-label-randomised-controlled-trial
#20
Tobias Strunk, Sameer Pupala, Julie Hibbert, Dorota Doherty, Sanjay Patole
BACKGROUND: The immature fragile skin of preterm infants represents an inadequate protective barrier. The emollient and anti-infective properties of coconut oil make it a potentially beneficial topical agent for this population. OBJECTIVES: Our aim was to evaluate feasibility, safety, and the effects of topical coconut oil on skin condition in very preterm infants. METHODS: An open-label randomised controlled trial in preterm infants <30 weeks' gestation was conducted...
December 1, 2017: Neonatology
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