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Coconut oil

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
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
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
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
Fatemeh Mirzaei, Mozafar Khazaei, Alireza Komaki, Iraj Amiri, Cyrus Jalili
Both dyslipidemia and Alzheimer disease (AD) are associated with aging. In this study, the effects of virgin coconut oil (VCO) on inflammasome and oxidative stress in Alzheimer's model (receiving Amyloid-β (Aβ)) and high-fat diet (HFD) model were determined. A total of 120 male Wistar rats, were divided into 12 groups (n = 10), including; healthy control, sham surgery, sham surgery receiving normal saline, HFD, HFD + 8% VCO, HFD + 10% VCO, Aβ received rats, Aβ + 8%VCO, Aβ + 10%VCO, HFD + Aβ, HFD + Aβ+8%VCO, and HFD + Aβ + 10%VCO...
May 2, 2018: Food and Chemical Toxicology
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
Qing Guo, Julia Totosy de Zepetnek, Jennifer Chang, Julia Hayden, Stephen J Crozier, Gagan Mongia, Dérick Rousseau, Nick Bellissimo
OBJECTIVE: Dietary pattern changes, as a part of a healthy lifestyle, may improve weight management. The objective of this study was to examine the effect of midmorning puree snacks varying in macronutrient composition and energy content on subjective appetite, food intake, and glycemic and insulin responses in healthy adults. METHOD: In a randomized, repeated measures crossover design, 6 treatments (snack skipping and purees: control [186 kcal], maltodextrin [272 kcal], whey protein [201 kcal], oat [276 kcal], and coconut oil [276 kcal]) were administered to 23 normal weight adults (n = 14 males, n = 9 females)...
April 27, 2018: Journal of the American College of Nutrition
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
X F Dong, S Liu, J M Tong
Two hundred and sixteen 28-wk-old Hy-line laying hens were randomly distributed to three dietary treatments and fed 1of 3 diets containing 8% soybean oil, fish oil, or coconut oil from 28 to 47 wk of age to investigate comparative effect of dietary soybean oil, fish oil, and coconut oil on the performance, egg quality and blood malondialdehyde (MDA), aspartate transaminase (AST) and uric acid (UA). Hens fed fish oil showed poor performance compared with soybean oil or coconut oil, and especially egg weight throughout the trial was significantly and consistently decreased (P < 0...
April 14, 2018: Poultry Science
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
Analú C Reis, Palmira L S Neta, Jéssica P Jordão, José Inácio L Moura, Diogo M Vidal, Paulo H G Zarbin, Carla F Fávaro
The bearded weevil, Rhinostomus barbirostris (Coleoptera: Curculionidae: Dryophthorinae), attacks coconut trees, oil palms and other species of Arecaceae. Besides direct damage, R. barbirostris may be a vector of diseases in coconut and oil palms, such as stem bleeding (resinosis) and red ring disease. Currently, the only method to control this weevil is by visual observation of damage and removal of infected plants. Semiochemical-based trapping could improve the effectiveness of monitoring and management of R...
April 16, 2018: Journal of Chemical Ecology
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
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
Yajun Zheng, Yan Li
Effects of cellulase hydrolysis, acid treatment and particle size distribution on the structure, physicochemical and functional properties of coconut cake dietary fiber (DCCDF) were studied. Results showed that both the cellulase hydrolysis and acid treatment contributed to the structural modification of DCCDF as evident from XRD, FT-IR and SEM analysis. Moreover, the cellulase hydrolysis enhanced soluble carbohydrate content, water holding capacity (WHC) and swelling capacity (WSC), α-amylase inhibition activity (α-AAIR), glucose dialysis retardation index (GDRI) and cation-exchange capacity (CEC) of DCCDF; but it had undesirable effects on colour, oil holding capacity (OHC) and emulsifying capacity (EC)...
August 15, 2018: Food Chemistry
Luiza Oliveira Silveira, Denes Kaic Alves do Rosário, Ana Carolina Garcia Giori, Syllas Borburema Silva Oliveira, Yhan da Silva Mutz, Clara Suprani Marques, Jussara Moreira Coelho, Patrícia Campos Bernardes
Salmonella outbreaks related to fruits and vegetables have been reported being lettuce one of the most contaminated. Peracetic acid (PA) at 50 mg/L, sodium dichloroisocyanurate (SD) at 100 mg/L, and the combination of SD at 100 mg/L and babaçu coconut ( Attalea speciosa ) oil detergent at 100 mg/L were applied to fresh lettuce. Natural contaminant microbiota, physicochemical characteristics, and sensory attributes were evaluated. PA and SD reduced mesophilic aerobic counts by 2.1 and 1.5 log cfu/g, respectively...
April 2018: Journal of Food Science and Technology
Nur Aqilah Mohamad, Norhafiz Azis, Jasronita Jasni, Mohd Zainal Abidin Ab Kadir, Robiah Yunus, Zaini Yaakub
This paper presents a sealed ageing study of palm oil (PO) and coconut oil (CO) in the presence of insulation paper. The type of PO under study is refined, bleached, and deodorized palm oil (RBDPO) olein. Three different variations of RBDPO and one sample of CO are aged at temperatures of 90 °C, 110 °C, and 130 °C. The properties of RBDPO and CO as well as paper under ageing are then analysed through dielectric and physicochemical measurements. It is found that the effect of ageing is not significant on the alternating current (AC) breakdown voltages and relative permittivities of RBDPO and CO...
March 30, 2018: Materials
Sumitha Arun, Manish Kumar, Thomas Paul, Nihal Thomas, Sarah Mathai, Grace Rebekah, Niranjan Thomas
Background: Nutritional guidelines involving the feeding of very low birth weight babies (VLBW) recommend addition of Human Milk Fortifiers to breast milk. Owing to financial constraints, it is a practice in low- and middle-income countries (LMIC) to add coconut oil to aid better weight gain. There are inadequate data on improvement of growth parameters with oral coconut oil supplementation of breast milk. Methods: In this randomized controlled trial, we measured growth parameters and body composition of 60 babies who received either breast milk with coconut oil or breast milk alone...
March 23, 2018: Journal of Tropical Pediatrics
Xiu-Hang Chai, Zong Meng, Pei-Rang Cao, Xin-Yu Liang, Michael Piatko, Shawn Campbell, Seong Koon Lo, Yuan-Fa Liu
Purification of triglycerides from fully hydrogenated palm kernel oil (FHPKO) and fully hydrogenated coconut oil (FHCNO) was performed by a chromatographic method. Lipid composition, thermal properties, polymorphism, isothermal crystallization behaviour, nanostructure and microstructure of FHPKO, FHPKO-triacylglycerol (TAG), FHCNO and FHCNO-TAG were evaluated. Removal of minor components had no effect on triglycerides composition. However, the presence of the minor components did increase the slip melting point and promote onset of crystallization...
July 30, 2018: Food Chemistry
Isabelle T Melo, Elisabete M Rêgo, Nassib B Bueno, Tâmara C Gomes, Suzana L Oliveira, Euclides M Trindade-Filho, Cyro R Cabral, Tacy S Machado, Jaqueline A Galvão, Terezinha R Ataide
This study evaluated the effects of a ketogenic diet (KD) based on extra virgin coconut oil (Cocos nucifera L., VCO), on the treatment of epileptic rats. Two sets of experiments were conducted. First, male Wistar rats underwent induction of status epilepticus (SE) with the administration of pilocarpine intraperitoneally 21 animals reached spontaneous recurrent seizures (SRS) and were randomly allocated to the dietary regimens and video-monitored for 19 days. In the second experiment, 24 animals were randomized immediately after the induction of SE and followed for 67 days...
February 2018: Lipids
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
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