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https://www.readbyqxmd.com/read/29775199/haererehalobacter-sp-js1-a-bioemulsifier-producing-halophilic-bacterium-isolated-from-indian-solar-salt-works
#1
Mariathason Birdilla Selva Donio, Subbiahanadar Chelladurai Karthikeyan, Mariavincent Michaelbabu, Ganapathi Uma, Ramaiyan Raja Jeya Sekar, Thavasimuthu Citarasu
Bioemulsifier (BE)-producing Haererehalobacter sp. JS1 was isolated and identified from the solar salt works in India. The BE was extracted, purified, and characterized by Gas Chromatography-Mass Spectrometry (GC-MS) analysis. Emulsification activity was performed against different oils and dye degradation potential against different dyes. The production of BE was optimized using different carbon sources (C), nitrogen sources (N), pH, and NaCl. BE screening methods revealed that, Haererehalobacter sp. JS1 was highly positive BE production...
May 18, 2018: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29768858/green-synthesis-of-silver-nano-particles-by-use-of-edible-oils
#2
Anuraj Kshirsagar, Tanaya Khanna, Vaishali Dhanwe, Kunal H Kate, Pawan K Khanna
Avoiding use of environmentally hazardous reducing agents and surfactants like sodium borohydride, hydrazine hydrate, alkyl amines and alkyl phosphines, the current article describes successful synthesis of silver nanoparticles via green synthesis by employing coconut, Indian gooseberry (amla), almond and mustard oils as capping as well as reducing agents. The presence of various fatty acids in such edible oils act as capping agents through their carboxylic acid functionality and control the growth of nanoparticles...
January 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29737890/formulation-and-evaluation-of-carrot-seed-oil-based-cosmetic-emulsions
#3
Shalini Singh, Alka Lohani, Arun Kumar Mishra, Anurag Verma
The present study deals with the evaluation of antiaging potential of carrot seed oil-based cosmetic emulsions. Briefly, cosmetic emulsions composed of carrot seed oil in varying proportions (2, 4, and 6% w/v) were prepared using the hydrophile-lipophile balance (HLB) technique. Coconut oil, nonionic surfactants (Tween 80 and Span 80), and xanthan gum were used as the oil phase, emulgent, and emulsion stabilizer, respectively. The formed emulsions were evaluated for various physical, chemical, and biochemical parameters such as the zeta potential, globule size measurement, antioxidant activity, sun protection factor (SPF), skin irritation, and biochemical studies...
May 8, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/29733304/an-experimental-model-of-diet-induced-metabolic-syndrome-in-rabbit-methodological-considerations-development-and-assessment
#4
Óscar Julián Arias-Mutis, Patricia Genovés, Conrado J Calvo, Ana Díaz, Germán Parra, Luis Such-Miquel, Luis Such, Antonio Alberola, Francisco Javier Chorro, Manuel Zarzoso
In recent years, obesity and metabolic syndrome (MetS) have become a growing problem for public health and clinical practice, given their increased prevalence due to the rise of sedentary lifestyles and unhealthy eating habits. Thanks to animal models, basic research can investigate the mechanisms underlying pathological processes such as MetS. Here, we describe the methods used to develop an experimental rabbit model of diet-induced MetS and its assessment. After a period of acclimation, animals are fed a high-fat (10% hydrogenated coconut oil and 5% lard), high-sucrose (15% sucrose dissolved in water) diet for 28 weeks...
April 20, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29728963/xanthan-gum-production-by-xanthomonas-campestris-pv-campestris-ibsbf-1866-and-1867-from-lignocellulosic-agroindustrial-wastes
#5
Juliana Albuquerque da Silva, Lucas Guimarães Cardoso, Denilson de Jesus Assis, Gleice Valéria Pacheco Gomes, Maria Beatriz Prior Pinto Oliveira, Carolina Oliveira de Souza, Janice Izabel Druzian
This study aimed to evaluate the properties of xanthan gum produced by Xanthomonas campestris pv. campestris 1866 and 1867 from lignocellulosic agroindustrial wastes. XG was produced using an orbital shaker in a culture medium containing coconut shell (CS), cocoa husks (CH), or sucrose (S) minimally supplemented with urea and potassium. The XG production results varied between the CS, CH, and S means, and it was higher with the CH in strains 1866 (4.48 g L-1 ) and 1867 (3.89 g L-1 ). However, there was more apparent viscosity in the S gum (181...
May 5, 2018: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29675852/effects-of-natural-products-on-several-stages-of-the-spore-cycle-of-clostridium-difficile-in-vitro
#6
Niloufar Roshan, Thomas V Riley, Katherine A Hammer
AIMS: To investigate the effect of natural products on the spore cycle of C. difficile in vitro. METHODS AND RESULTS: Twenty-two natural products were investigated using four C. difficile strains. Effects on sporulation, determined using microscopy and a conventional spore recovery assay, showed that fresh onion bulb extract (6.3% v v-1 ) and coconut oil (8% v v-1 ) inhibited sporulation in all four isolates by 66-86% and 51-88%, respectively, compared to untreated controls...
April 19, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29660792/in-vitro-bioaccessibility-of-colored-carotenoids-in-tomato-derivatives-as-affected-by-ripeness-stage-and-the-addition-of-different-types-of-oil
#7
Sandra González-Casado, Olga Martín-Belloso, Pedro Elez-Martínez, Robert Soliva-Fortuny
The simultaneous effect of tomato ripeness stage (mature green, pink, and red-ripe), mechanical processing (dicing and grinding), and oil addition (coconut, sunflower, and olive oils) on the amount and bioaccessible fraction of carotenoids were evaluated. Tomato products obtained from fruits at the most advanced ripeness stage exhibited the greatest values of both concentration and bioaccessible fraction of total carotenoids and lycopene. The type of processing also exerted an important influence on carotenoids content, as well as on its bioaccessibility...
April 16, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29642679/effects-of-dietary-supplementation-with-a-combination-of-plant-oils-on-performance-meat-quality-and-fatty-acid-deposition-of-broilers
#8
Shenfei Long, Yetong Xu, Chunlin Wang, Changlian Li, Dewen Liu, Xiang-Shu Piao
Objective: This study was to evaluate effects of mixed plant oils [identified as mixed oil 1 (MO1) and mixed oil 2 (MO2)] on performance, serum composition, viscera percentages, meat quality, and fatty acid deposition of broilers. Methods: A total of 126 one-day-old Arbor Acres male broiler chicks (weighing 44.91 ± 0.92 g) were randomly allocated to 1 of 3 treatments with 7 replicate pens per treatment (6 broilers per pen). Dietary treatments included a corn-soybean basal diet supplemented with 3% soybean oil (CTR), basal diet with 3% MO1 (a mixture of 15% corn oil, 10% coconut oil, 15% linseed oil, 20% palm oil, 15% peanut oil and 25% soybean oil; MO1), or basal diet with 3% MO2 (a combination of 50% MO1 and 50% extruded corn; MO2)...
April 12, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/29623233/hydrolysis-activity-of-virgin-coconut-oil-using-lipase-from-different-sources
#9
T A V Nguyen, Truong D Le, Hoa N Phan, Lam B Tran
Two types of lipase, Candida rugosa lipase (CRL) and porcine pancreas lipase (PPL), were used to hydrolyze virgin coconut oil (VCO). The hydrolysis process was carried out under four parameters, VCO to buffer ratio, lipase concentration, pH, and temperature, which have a significant effect on hydrolysis of lipase. CRL obtained the best hydrolysis condition at 1 : 5 of VCO to buffer ratio, 1.5% of CRL concentration, pH 7, and temperature of 40°C. Meanwhile, PPL gave different results at 1 : 4 of VCO to buffer ratio, 2% of lipase concentration, pH 7...
2018: Scientifica
https://www.readbyqxmd.com/read/29570447/aged-coconut-oil-with-a-high-peroxide-value-induces-oxidative-stress-and-tissue-damage-in-mercury-treated-rats
#10
Sunny O Abarikwu, Rex-Clovis C Njoku, Chigozie L Onuah
BACKGROUND: Exposure to mercury (Hg) and the ingestion of peroxidized edible oil represent a health risk. This study evaluated the effects of peroxidized coconut oil (CO) on the liver and kidney of rats treated with Hg. METHODS: Male albino Wistar rats were administered HgCl2 and CO separately or as a combination for 21 days. The concentrations of glutathione (GSH) and malondialdehyde (MDA), as well as the activities of superoxide dismutase (SOD) and catalase (CAT), which were used as markers of oxidative stress were measured in the liver and kidney homogenates...
March 23, 2018: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/29555256/preparation-and-standardization-of-mathan-tailam-a-classical-siddha-formulation-for-diabetic-ulcerative-wound-healing
#11
R Arunadevi, R Susila, S Murugammal, S Divya
BACKGROUND: Increasing popularity of Mathan Tailam (mattan tailam, pachai ennai) for the treatment of diabetic foot ulcer necessitated standardization and quality control of this medicated oil both in large scale production and quality check in marketed drug. OBJECTIVE: Present study aims to develop standard operating procedure for the preparation of Mathan Tailam as per Siddha Formulary of India and its standardization using suitable analytical techniques. MATERIALS AND METHODS: Mathan Tailam was prepared as per Siddha Formulary of India...
March 16, 2018: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/29522332/detection-of-hydrocarbons-by-laser-assisted-paper-spray-ionization-mass-spectrometry-lapsi-ms
#12
Pallab Basuri, Depanjan Sarkar, Ganesan Paramasivam, Thalappil Pradeep
Here we introduce a new ambient ionization technique named laser assisted paper spray ionization mass spectrometry (LAPSI MS). In it, a 532 ± 10 nm, ≤10 mW laser pointer was shone on a triangularly cut paper along with high voltage, to effect ionization. The analyte solution was continuously pushed through a fused silica capillary, using a syringe pump, at a preferred infusion rate. LAPSI MS promises enhanced ionization with high signal intensity of polycyclic aromatic hydrocarbons (PAHs), which are normally not ionizable with similar ionization methods involving solvent sprays...
April 3, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29467067/a-brief-review-of-caprylidene-axona-and-coconut-oil-as-alternative-fuels-in-the-fight-against-alzheimer-s-disease
#13
REVIEW
Monica Chintapenta, Justin Spence, Hyanggi Irene Kwon, Amie Taggart Blaszczyk
Type 3 diabetes mellitus has been coined to describe an alternative pathologic pathway of Alzheimer's disease (AD). The insulin resistance and impaired insulin signaling seen on positron-emission tomography scans in the brain of those affected by AD support this disease hypothesis. Two products-the medical food caprylidene (Axona) and coconut oil-seek to target the underlying pathology of type 3 diabetes mellitus by providing an alternative fuel source in the brain. Rather than improving glucose utilization, these two products seek to supply ketone bodies in sufficient quantities to pass through the blood-brain barrier and provide an alternative energy source to glucose...
December 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/29371772/dietary-fats-and-oxidative-stress-a-cross-sectional-study-among-coronary-artery-disease-subjects-consuming-coconut-oil-sunflower-oil
#14
Sabitha Palazhy, Prakash Kamath, D M Vasudevan
Coconut oil has been used by the people of Kerala as a cooking medium for several decades. Due to its alleged hypercholesterolemic activity, general population in recent times is shifting to cooking oils rich in polyunsaturated fats, the most popular being sunflower oil. The effect of long-term consumption of sunflower oil on oxidative stress in humans is not well investigated. We studied oxidative stress among coronary artery disease (CAD) patients who were consuming coconut oil or sunflower oil as a part of their routine diet...
January 2018: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/29367842/direct-and-indirect-influences-of-intercrops-on-the-coconut-defoliator-opisina-arenosella
#15
K S Shameer, M Nasser, Chandrika Mohan, Ian C W Hardy
Coconut palm (Cocos nucifera) infestation by Opisina arenosella (Lepidoptera: Oecophoridae) in the Indian subcontinent may occur in November to May each year in the same or adjoining areas of plantations. Parasitoids of O. arenosella may also be consistently present at these times. During other periods, pests and/or parasitoids could be maintained on intercrops that are commonly grown throughout the year. Field surveys of 54 intercrop species in Kerala, India, found that O. arenosella attacks banana, but not others, while laboratory screening showed that O...
2018: Journal of Pest Science
https://www.readbyqxmd.com/read/29343711/silver-nanoparticles-in-the-water-environment-in-malaysia-inspection-characterization-removal-modeling-and-future-perspective
#16
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/29310314/determination-of-silicon-in-biomass-and-products-of-pyrolysis-process-via-high-resolution-continuum-source-atomic-absorption-spectrometry
#17
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/29287320/effect-of-ripening-inhibitor-type-on-formation-stability-and-antimicrobial-activity-of-thyme-oil-nanoemulsion
#18
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
#19
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/29259829/antibacterial-activity-of-free-fatty-acids-from-hydrolyzed-virgin-coconut-oil-using-lipase-from-candida-rugosa
#20
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
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