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Coconut oil

Laurene Boateng, Richard Ansong, William B Owusu, Matilda Steiner-Asiedu
: Coconut and palm oils which were the major sources of dietary fats for centuries in most of West Africa have been branded as unhealthy highly saturated fats. Their consumption has been peddled to supposedly raise the level of blood cholesterol, thereby increasing the risk of coronary heart disease. This adverse view has led to a reduction in their consumption in West Africa and they have been substituted for imported vegetable oils. Recent information however, indicates some beneficial effects of these oils particularly their roles in nutrition, health and national development...
September 2016: Ghana Medical Journal
Ruey-Chee Weng
The objective of this experiment was to evaluate the interplay of dietary lipid sources and feeding regime in the transition from sow milk to solid food of abruptly weaned piglets. 144 weaned piglets were trained over a 15 day period to experience gradually reducing dietary fat content from 12% to 6% for lard (L), soybean oil (S) and coconut oil (C) and their feeding behavior and diet preference then tested in a behavior observation experiment. Another 324 weaned piglets were used in three consecutive feeding experiments to measure the effect of different dietary fats on performance and feed choice in the four weeks after abrupt weaning...
October 5, 2016: Asian-Australasian Journal of Animal Sciences
Jovana Trbojević Ivić, Nenad Milosavić, Aleksandra Dimitrijević, Marija Gavrović Jankulović, Dejan Bezbradica, Dušan Kolarski, Dušan Veličković
A commercial preparation of Candida rugosa lipases (CRL) was tested for the production of capsinoids by esterification of vanillyl alcohol (VA) with free fatty acids (FA) and coconut oil (CO) as acyl donors. Screening of FA chain length indicated that C8-C12 FA (the most common FA found in CO triglycerides) are the best acyl-donors, yielding 80-85% of their specific capsinoids. Hence, when CO, which is rich in these FA, was used as the substrate, a mixture of capsinoids (vanillyl caprylate, vanillyl decanoate and vanillyl laurate) was obtained...
March 1, 2017: Food Chemistry
Arijit Das, Sourav Bhattacharya, Srividya Shivakumar, Sujina Shakya, Swathi Shankar Sogane
Filamentous fungi are efficient producers of lipases. The present study focuses on identification of a potent lipolytic fungus and enhancement of lipase production through optimization of nutritional and cultural conditions under submerged fermentation. Molecular characterization of the fungus by 18S rDNA sequencing revealed its identity as Aspergillus tamarii with 98% homology. Maximum lipase production was noted in mineral salts medium supplemented with coconut oil (2.5%, v/v). A combination of ammonium chloride (2%, w/v) and tryptone (2%, w/v) facilitated maximum lipase production at pH 5 of the production medium...
October 6, 2016: Journal of Basic Microbiology
Christopher K Thompson, Hollis T Cline
: Thyroid hormone (TH) regulates many cellular events underlying perinatal brain development in vertebrates. Whether and how TH regulates brain development when neural circuits are first forming is less clear. Furthermore, although the molecular mechanisms that impose spatiotemporal constraints on TH action in the brain have been described, the effects of local TH signaling are poorly understood. We determined the effects of manipulating TH signaling on development of the optic tectum in stage 46-49 Xenopus laevis tadpoles...
October 5, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
A Vongvanrungruang, C Mongkolsiriwatana, T Boonkaew, O Sawatdichaikul, K Srikulnath, S Peyachoknagul
The fragrance gene, betaine aldehyde dehydrogenase 2 (Badh2), has been well studied in many plant species. The objectives of this study were to clone Badh2 and compare the sequences between aromatic and non-aromatic coconuts. The complete coding region was cloned from cDNA of both aromatic and non-aromatic coconuts. The nucleotide sequences were highly homologous to Badh2 genes of other plants. Badh2 consisted of a 1512-bp open reading frame encoding 503 amino acids. A single nucleotide difference between aromatic and non-aromatic coconuts resulted in the conversion of alanine (non-aromatic) to proline (aromatic) at position 442, which was the substrate binding site of BADH2...
September 19, 2016: Genetics and Molecular Research: GMR
Mazhar Hussian, Abdul Qudoos Arain, Sadia Chiragh
OBJECTIVE: To evaluate the anti-dyslipidaemic effects of pioglitazone in diet-induced non-diabetic hyperlipidaemic rats and to compare them with gemfibrozil. METHODS: This comparative animal study was conducted at the Postgraduate Medical Institute, Lahore, Pakistan, from July to September 2011, and comprised Sprague Dawley albino rats divided into three equal groups. Initially all three groups were given high-lipid diet containing cholesterol 1.5g, coconut oil 8ml and sodium cholate 1...
October 2016: JPMA. the Journal of the Pakistan Medical Association
Devi Lekshmi Sheela, Puthiyaveetil Abdulla Nazeem, Arunaksharan Narayanankutty, Jeksy Jos Manalil, Achuthan C Raghavamenon
The coconut oil (CO) contains 91 % of saturated fatty acids in which 72 % are medium chain fatty acids (MCFAs) like lauric, capric and caprylic acids. In contrast to animal fat, coconut oil has no cholesterol. Despite this fact, CO is sidelined among other vegetable oils due to the health hazards attributed to the saturated fatty acids. Though various medicinal effects of CO have been reported including the hypolipidemic activity, people are still confused in the consumption of this natural oil. In silico analyses and wet lab experiments have been carried out to identify the hypolipidemic properties of MCFAs and phenolic acids in CO by using different protein targets involved in cholesterol synthesis...
September 27, 2016: Plant Foods for Human Nutrition
Magali Picard, Gilles de Revel, Stéphanie Marchand
The p-menthane lactones constitute a family of powerful odorants, including the isomers of mintlactone and menthofurolactone that occur naturally in peppermint oil, known for their potent, mint-like olfactory properties. These lactones are closely related to the monoterpene-limonene secondary biotransformation and menthofuran has been identified as their common precursor in Mentha species. Using targeted GC-olfactometry and GC-MS analyses, together with quantification methods, we were able to demonstrate, for the first time, the presence of the diastereoisomers of these p-menthane lactones, as well as their common precursor, menthofuran, in red wines...
February 15, 2017: Food Chemistry
Ingunn Narverud, Mari C W Myhrstad, Karl-Heinz Herzig, Toni Karhu, Tuva B Dahl, Bente Halvorsen, Stine M Ulven, Kirsten B Holven
Peptides released from the small intestine and colon regulate short-term food intake by suppressing appetite and inducing satiety. Intake of marine omega-3 (n-3) fatty acids (FAs) from fish and fish oils is associated with beneficial health effects, whereas the relation between intake of the vegetable n-3 fatty acid α-linolenic acid and diseases is less clear. The aim of the present study was to investigate the postprandial effects of a single high-fat meal enriched with vegetable n-3 or a combination of vegetable and marine n-3 FAs with their different unsaturated fatty acid composition on intestinal peptide release and the adipose tissue...
2016: Frontiers in Nutrition
Sungchhang Kang, Metha Wanapat, Bounnaxay Viennasay
The objective of this study was to evaluate the effects of banana flower power pellet (BAFLOP-pellet) and plant oil source on in vitro gas production, fermentation efficiency, and methane (CH4) production. Rumen fluid was collected from two rumen-fistulated dairy steers fed on rice straw-based diet with concentrate supplement to maintain normal rumen ecology. All supplemented feed were added to respective treatments in the 30:70 roughage to concentrate-based substrate. The treatments were arranged according to a 3 × 3 factorial arrangement in a completely randomized design...
September 13, 2016: Tropical Animal Health and Production
Yusof Kamisah, Shu-Min Ang, Faizah Othman, Badlishah Sham Nurul-Iman, Hj Mohd Saad Qodriyah
Virgin coconut oil, rich in antioxidants, was shown to attenuate hypertension. This study aimed to investigate the effects of virgin coconut oil on blood pressure and related parameters in kidneys in rats fed with 5-times-heated palm oil (5HPO). Thirty-two male Sprague-Dawley rats were divided into 4 groups. Two groups were fed 5HPO (15%) diet and the second group was also given virgin coconut oil (1.42 mL/kg, oral) daily for 16 weeks. The other 2 groups were given basal diet without (control) and with virgin coconut oil...
October 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Anil A Sonkamble, Rahul P Sonsale, Mahesh S Kanshette, Komal B Kabara, Kunal H Wananje, Ashok C Kumbharkhane, Arvind V Sarode
Dielectric relaxation studies of vegetable oils are important for insights into their hydrogen bonding and intermolecular dynamics. The dielectric relaxation and thermo physical properties of triglycerides present in some vegetable oils have been measured over the frequency range of 10 MHz to 7 GHz in the temperature region 25 to 10 °C using a time-domain reflectometry approach. The frequency and temperature dependence of dielectric constants and dielectric loss factors were determined for coconut, peanut, soya bean, sunflower, palm, and olive oils...
September 7, 2016: European Biophysics Journal: EBJ
Amira Motawea, Thanaa Borg, Manal Tarshoby, Abd El-Gawad H Abd El-Gawad
OBJECTIVE: The aim of this study is to develop and characterize self-nanoemulsifying drug delivery system (SNEDDS) of piroxicam in liquid and solid forms to improve its dissolution, absorption and therapeutic efficacy. MATERIALS AND METHODS: The generation of liquid SNEDDS (L-SNEDDS) was composed of soybean or coconut oil/Tween 80/Transcutol HP (12/80/8%w/w) and it was selected as the optimized formulation based on the solubility study and pseudo-ternary phase diagram...
September 1, 2016: Pharmaceutical Development and Technology
Mariane Trindade de Paula, Márcia Rósula Poetini Silva, Stífani Machado Araujo, Vandreza Cardoso Bortolotto, Luana Barreto Meichtry, Ana Paula Pegoraro Zemolin, Gabriel L Wallau, Cristiano Ricardo Jesse, Jeferson Luís Franco, Thaís Posser, Marina Prigol
The consumption of a high-fat diet (HFD) causes alteration in normal metabolism affecting lifespan of flies; however molecular mechanism associated with this damage in flies is not well known. This study evaluates the effects of ingestion of a diet supplemented with 10% and 20% of coconut oil, which is rich in saturated fatty acids, on oxidative stress and cells stress signaling pathways. After exposure to the diet for seven days, cellular and mitochondrial viability, lipid peroxidation and antioxidant enzymes SOD and CAT activity, and mRNA expression of antioxidant enzymes HSP83 and MPK2 were analyzed...
2016: Oxidative Medicine and Cellular Longevity
Mark F McCarty, James J DiNicolantonio
Recently, medium-chain triglycerides (MCTs) containing a large fraction of lauric acid (LA) (C12)-about 30%-have been introduced commercially for use in salad oils and in cooking applications. As compared to the long-chain fatty acids found in other cooking oils, the medium-chain fats in MCTs are far less likely to be stored in adipose tissue, do not give rise to 'ectopic fat' metabolites that promote insulin resistance and inflammation, and may be less likely to activate macrophages. When ingested, medium-chain fatty acids are rapidly oxidised in hepatic mitochondria; the resulting glut of acetyl-coenzyme A drives ketone body production and also provokes a thermogenic response...
2016: Open Heart
Maniyal Vijayakumar, D M Vasudevan, K R Sundaram, Sajitha Krishnan, Kannan Vaidyanathan, Sandya Nandakumar, Rajiv Chandrasekhar, Navin Mathew
BACKGROUND AND RATIONALE: Coronary artery disease (CAD) and its pathological atherosclerotic process are closely related to lipids. Lipids levels are in turn influenced by dietary oils and fats. Saturated fatty acids increase the risk for atherosclerosis by increasing the cholesterol level. This study was conducted to investigate the impact of cooking oil media (coconut oil and sunflower oil) on lipid profile, antioxidant mechanism, and endothelial function in patients with established CAD...
July 2016: Indian Heart Journal
Norhayati Mohamed Noor, Abid Ali Khan, Rosnani Hasham, Ayesha Talib, Mohamad Roji Sarmidi, Ramlan Aziz, Azila Abd Aziz
Virgin coconut oil (VCO) is the finest grade of coconut oil, rich in phenolic content, antioxidant activity and contains medium chain triglycerides (MCTs). In this work formulation, characterisation and penetration of VCO-solid lipid particles (VCO-SLP) have been studied. VCO-SLP were prepared using ultrasonication of molten stearic acid and VCO in an aqueous solution. The electron microscopy imaging revealed that VCO-SLP were solid and spherical in shape. Ultrasonication was performed at several power intensities which resulted in particle sizes of VCO-SLP ranged from 0...
August 2016: IET Nanobiotechnology
Maria John Newton, Bhupinder Kaur
The solid lipid nanoparticles (SLNs) of Acyclovir (ACV) were fabricated with Soya lecithin and Fractionated Coconut oil (medium chain glyceride) as a first time combination. The research was focused on developing ACV-SLN by using high pressure hot-homogenization technique. The ingredients were used in different concentrations and ratios to identify the best formulation design. The tween 80 and Pluronic F-68 were used in various concentrations in formulation design to assess the impact on the fabrication and evaluation of SLNs...
July 24, 2016: Recent Patents on Drug Delivery & Formulation
Yudai Nonaka, Tetsuo Takagi, Makoto Inai, Shuhei Nishimura, Shogo Urashima, Kazumitsu Honda, Toshiaki Aoyama, Shin Terada
Coconut oil has recently attracted considerable attention as a potential Alzheimer's disease therapy because it contains large amounts of medium-chain fatty acids (MCFAs) and its consumption is thought to stimulate hepatic ketogenesis, supplying an alternative energy source for brains with impaired glucose metabolism. In this study, we first reevaluated the responses of plasma ketone bodies to oral administration of coconut oil to rats. We found that the coconut oil-induced increase in plasma ketone body concentration was negligible and did not significantly differ from that observed after high-oleic sunflower oil administration...
August 1, 2016: Journal of Oleo Science
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