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https://www.readbyqxmd.com/read/28718922/physical-compatibility-between-wax-esters-and-triglycerides-in-hybrid-shortenings-and-margarines-prepared-in-rice-bran-oil
#1
Chi Diem Doan, Iris Tavernier, Sabine Danthine, Tom Rimaux, Koen Dewettinck
BACKGROUND: Wax esters contribute to the transformation of liquid oils into solid-like oleogel systems, which can act as alternatives for trans- and/or saturated fats in food products. The use of solely waxes reduces the solid content, consistency and sensory quality in the final products. Therefore, a combination of sunflower wax and palm fat in rice bran oil was created to accomplish the hybrid low-saturated shortenings and margarines with a compatible structure and lower amounts of saturated fats...
July 18, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28711835/synergistic-green-extraction-of-nickel-ions-from-electroplating-waste-via-mixtures-of-chelating-and-organophosphorus-carrier
#2
Raja Norimie Raja Sulaiman, Norasikin Othman
The discharge of electroplating waste containing nickel ions has led to environmental issues owing to the toxicity problem mainly to the aquatic organisms and humans. Liquid-liquid extraction offers a great potential treatment for nickel removal with several advantages of simple, high efficiency and high separation factor. In this study, a green synergistic liquid-liquid extraction of nickel ions from electroplating waste solution using chelating oxime (LIX63) and organophosphorus (D2EHPA) carriers individually as well as their synergistic mixture has been studied...
June 27, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28711265/feeding-a-concentrate-rich-in-rapeseed-oil-improves-fatty-acid-composition-and-flavor-in-norwegian-goat-milk
#3
R A Inglingstad, S Skeie, G E Vegarud, T G Devold, Y Chilliard, M Eknæs
Impaired quality due to a high content of free fatty acids (FFA) and off-flavors has caused challenges in the development of Norwegian goat milk products. The present study aimed to examine the effect of lipid-supplemented concentrates on milk fat content, fatty acid composition, FFA, lipoprotein lipase activity, sensory properties, and size of milk fat globules of goat milk. Thirty goats assigned to 3 experimental groups were fed different concentrates from 60 d in milk (DIM) until late lactation (230 DIM)...
July 12, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28711245/feeding-of-palm-oil-fatty-acids-or-rapeseed-oil-throughout-lactation-effects-on-energy-status-body-composition-and-milk-production-in-norwegian-dairy-goats
#4
M Eknæs, Y Chilliard, K Hove, R A Inglingstad, L Bernard, H Volden
The objective of this experiment was to examine how supplements of rapeseed oil or palm oil fatty acids would affect milk production and composition, body lipid stores, and energy balance in 30 multiparous goats of Norwegian dairy goat breed. The experiment lasted 230 d, with 1 to 120 d in milk (DIM) for indoor feeding (P1), 120 to 200 DIM for mountain grazing (P2), and 200 to 230 DIM for indoor feeding (P3). Grass silage was fed according to appetite during indoor feeding periods. After an adjustment period (1-60 DIM) when the control diet was given to the goats, the animals were subdivided into 3 groups of 10 goats...
July 12, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28708503/effect-of-dietary-supplementation-of-omega-3-polyunsaturated-fatty-acid-pufa-rich-fish-oil-on-reproductive-performance-of-the-goat-capra-hircus
#5
Ajit Singh Mahla, Ravjibhai K Chaudhari, Atul Kumar Verma, Amit Kumar Singh, Sanjay Kumar Singh, Gyanendra Singh, Mihir Sarkar, Narayan Dutta, Harendra Kumar, Narayanan Krishnaswamy
Dietary supplementation of n-3 PUFA decreases the luteolytic PGF2α and improves the pregnancy rate in the dairy cow. However, its effect in the goat is not known. Accordingly, we studied the effect of supplementation of n-3 PUFA rich Fish oil (FO) on different reproductive events in the goat. Cycling goats (n = 30) were divided into two equal groups and fed an isocaloric and isonitrogenous diet supplemented with either FO (TRT; n = 15) or palm oil (PO) (CON; n = 15) @ 0.6 mL/kg body weight for 72 days during the breeding season...
May 26, 2017: Theriogenology
https://www.readbyqxmd.com/read/28707254/effect-of-oil-palm-on-the-plecoptera-and-trichoptera-insecta-assemblages-in-streams-of-eastern-amazon
#6
Carina Kaory Sasahara de Paiva, Ana Paula Justino de Faria, Lenize Batista Calvão, Leandro Juen
The production of oil palm is expected to increase in the Amazon region. However, expansion of oil palm plantation leads to significant changes in the physical structure of aquatic ecosystems, mainly through the reduction of riparian vegetation that is essential for aquatic biodiversity. Here, we evaluated the effects of oil palm on the physical habitat structure of Amazonian stream environments and assemblages of Plecoptera and Trichoptera (PT), ​both found in these streams. We compared streams sampled in oil palm plantations (n = 13) with natural forest areas ("reference" streams, n = 8), located in the eastern Amazon, Brazil...
August 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28706573/the-effects-of-catchment-and-riparian-forest-quality-on-stream-environmental-conditions-across-a-tropical-rainforest-and-oil-palm-landscape-in-malaysian-borneo
#7
Sarah H Luke, Holly Barclay, Kawi Bidin, Vun Khen Chey, Robert M Ewers, William A Foster, Anand Nainar, Marion Pfeifer, Glen Reynolds, Edgar C Turner, Rory P D Walsh, David C Aldridge
Freshwaters provide valuable habitat and important ecosystem services but are threatened worldwide by habitat loss and degradation. In Southeast Asia, rainforest streams are particularly threatened by logging and conversion to oil palm, but we lack information on the impacts of this on freshwater environmental conditions, and the relative importance of catchment versus riparian-scale disturbance. We studied 16 streams in Sabah, Borneo, including old-growth forest, logged forest, and oil palm sites. We assessed forest quality in riparian zones and across the whole catchment and compared it with stream environmental conditions including water quality, structural complexity, and organic inputs...
June 2017: Ecohydrology: Ecosystems, Land and Water Process Interactions, Ecohydrogeomorphology
https://www.readbyqxmd.com/read/28702910/a-novel-biocoagulant-agent-from-mushroom-chitosan-as-water-and-wastewater-therapy
#8
Oday Adnan, Zurina Z Abidin, Azni Idris, Suryani Kamarudin, Mothanna Sadiq Al-Qubaisi
A new commercial cationic polyelectrolyte chitosan (CM), obtained from the waste of mushroom production, was examined using models of water and wastewater namely kaolin and palm oil mill effluent (pome). As it is biocompatible, widely available, and economically feasible, chitosan mushroom has high potential to be a suitable replacement for alum. Also, it can be a promising alternative to chitosan obtained traditionally from Crustaceans due to its higher zeta potential and homogeneity based on the raw material required for its production...
July 12, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28702370/in-vitro-and-in-silico-characterization-of-metagenomic-soil-derived-cellulases-capable-of-hydrolyzing-oil-palm-empty-fruit-bunch
#9
Laura Marcela Palma Medina, Diana Catalina Ardila, María Mercedes Zambrano, Silvia Restrepo, Andrés Fernando González Barrios
Diversification of raw material for biofuel production is of interest to both academia and industry. One attractive substrate is a renewable lignocellulosic material such as oil palm (Elaeis guineensis Jacq.) empty fruit bunch (OPEFB), which is a byproduct of the palm oil industry. This study aimed to characterize cellulases active against this substrate. Cellulases with activity against OPEFB were identified from a metagenomic library obtained from DNA extracted from a high-Andean forest ecosystem. Our findings show that the highest cellulolytic activities were obtained at pH and temperature ranges of 4-10 and 30 °C-60 °C, respectively...
September 2017: Biotechnology Reports
https://www.readbyqxmd.com/read/28691730/effects-of-colocynth-alkaloids-and-glycosides-on-wistar-rats-fed-high-fat-diet-a-biochemical-and-morphological-study
#10
Zahia Birem, Khadidja Tabani, Farid Lahfa, Rabah Djaziri, Fatima Hadjbekkouche, Elhadj Ahmed Koceir, Naima Omari
INTRODUCTION: . In traditional medicine, Citrullus colocynthis is used to treat diabetes, hyperlipidemia, cardiovascular diseases, inflammation, and oxidative stress, all of which can appear when a diet rich in vegetable fats, such as palm oil, is continuously consumed. Such high-fat diets are chronic stressors of the hypothalamic-pituitary-adrenal axis. The objective of our study was to analyze and evaluate the effects of colocynth total alkaloids and glycosides on metabolic, hormonal, and structural disorders of the adrenal medulla in Wistar rats fed a high-fat diet...
July 10, 2017: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/28687939/effects-of-different-fat-sources-saturated-and-unsaturated-on-reproductive-performance-and-biological-indices-of-ewes-during-flushing-period
#11
Amir Hossein Asgari Safdar, Ali Asghar Sadeghi, Mohammad Chamani
This study was conducted to evaluate the effect of feeding different sources of fat during flushing period on the reproductive performance, lambing percent, and twin numbers of Afshari ewes. A total of 84 ewes (mean weight 48 ± 3 kg; age: 3-4 years) were divided into seven groups of 12 animals and received flushing-specific rations for 5 weeks. The control group just received a basic ration (non-flushing). Lipid sources were calcium salt of palm oil (CaP), pure palm oil (PO), calcium salt of flaxseed (CaFL), calcium salt of sunflower oil (CaSF), flaxseed oil (FLO), and sunflower oil (SFO)...
July 7, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28676209/sustainable-utilization-of-waste-palm-oil-and-sulfonated-carbon-catalyst-derived-from-coconut-meal-residue-for-biodiesel-production
#12
Indika Thushari, Sandhya Babel
In this study, an inexpensive, environmental benign acid catalyst is prepared using coconut meal residue (CMR) and employed for biodiesel production from waste palm oil (WPO). The total acid density of the catalyst is found to be 3.8mmolg(-1). The catalyst shows a unique amorphous structure with 1.33m(2)g(-1) of surface area and 0.31cm(3)g(-1) of mean pore volume. Successful activation is confirmed by Fourier transform infrared (FT-IR) spectroscopy and X-ray photoelectron spectroscopy (XPS). The highest biodiesel yield of 92...
June 23, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28675960/mass-transfer-kinetics-of-biosorption-of-nitrogenous-matter-from-palm-oil-mill-effluent-by-aerobic-granules-in-sequencing-batch-reactor
#13
Mohamad Ali Fulazzaky, Maria Nuid, Azmi Aris, Khalida Muda
Understanding of mass transfer kinetics is important for biosorption of nitrogen compounds from palm oil mill effluent (POME) to gain mechanistic insight into the future biological processes for the treatment of high organic loading wastewater. In this study, the rates of global and sequential mass transfer were determined using the modified mass transfer factor equations for the experiments to remove nitrogen by aerobic granular sludge (AGS) accumulation in a sequencing batch reactor (SBR). The maximum efficiencies as high as 97% for the experiment run at [kLa]g value of 1421...
July 4, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28665433/fast-microwave-assisted-acidolysis-a-new-biorefinery-approach-for-the-zero-waste-utilisation-of-lignocellulosic-biomass-to-produce-high-quality-lignin-and-fermentable-saccharides
#14
Long Zhou, Fabio Santomauro, Jiajun Fan, Duncan Macquarrie, James Clark, Christopher J Chuck, Vitaliy Budarin
Generally, biorefineries convert lignocellulosic biomass into a range of biofuels and further value added chemicals. However, conventional biorefinery processes focus mainly on the cellulose and hemicellulose fractions and therefore produce only low quality lignin, which is commonly burnt to provide process heat. To make full use of the biomass, more attention needs to be focused on novel separation techniques, where high quality lignin can be isolated that is suitable for further valorisation into aromatic chemicals and fuel components...
June 30, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28646768/source-profiling-of-arsenic-and-heavy-metals-in-the-selangor-river-basin-and-their-maternal-and-cord-blood-levels-in-selangor-state-malaysia
#15
Nobumitsu Sakai, Zohour Alsaad, Nguyen Thi Thuong, Kenji Shiota, Minoru Yoneda, Mustafa Ali Mohd
Arsenic and 5 heavy metals (nickel, copper, zinc, cadmium and lead) were quantitated in surface water (n = 18) and soil/ore samples (n = 45) collected from 5 land uses (oil palm converted from forest, oil palm in peat swamp, bare land, quarry and forest) in the Selangor River basin by inductively coupled plasma mass spectrometry (ICP-MS). Geographic information system (GIS) was used as a spatial analytical tool to classify 4 land uses (forest, agriculture/peat, urban and bare land) from a satellite image taken by Landsat 8...
June 17, 2017: Chemosphere
https://www.readbyqxmd.com/read/28644408/isolation-and-selection-of-microalgal-strains-from-natural-water-sources-in-viet-nam-with-potential-for-edible-oil-production
#16
Tran Yen Thao, Dinh Thi Nhat Linh, Vo Chi Si, Taylor W Carter, Russell T Hill
Industrial vegetable oil production in Viet Nam depends on oil seeds and crude plant oils that are currently more than 90% imported. As the first step in investigating the feasibility of using microalgae to provide Viet Nam with a domestic source of oil for food and edible oil industries, fifty lipid-producing microalgae were isolated and characterized. The microalgae were isolated from water sources ranging from freshwater to brackish and marine waters from a wide geographic distribution in Viet Nam. Initial analyses showed that 20 of the 50 strains had good growth rates, produced high biomass and had high lipid content, ranging up to 50% of dry weight biomass...
June 23, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28640279/new-journal-blacklist-palm-oil-ban-and-the-world-s-top-supercomputers
#17
(no author information available yet)
No abstract text is available yet for this article.
June 21, 2017: Nature
https://www.readbyqxmd.com/read/28637447/differential-gene-expression-at-different-stages-of-mesocarp-development-in-high-and-low-yielding-oil-palm
#18
Yick Ching Wong, Huey Fang Teh, Katharina Mebus, Tony Eng Keong Ooi, Qi Bin Kwong, Ka Loo Koo, Chuang Kee Ong, Sean Mayes, Fook Tim Chew, David R Appleton, Harikrishna Kulaveerasingam
BACKGROUND: The oil yield trait of oil palm is expected to involve multiple genes, environmental influences and interactions. Many of the underlying mechanisms that contribute to oil yield are still poorly understood. In this study, we used a microarray approach to study the gene expression profiles of mesocarp tissue at different developmental stages, comparing genetically related high- and low- oil yielding palms to identify genes that contributed to the higher oil-yielding palm and might contribute to the wider genetic improvement of oil palm breeding populations...
June 21, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28633809/extraction-of-olive-oil-assisted-by-high-frequency-ultrasound-standing-waves
#19
Pablo Juliano, Fabian Bainczyk, Piotr Swiergon, Made Ian Maheswara Supriyatna, Claudia Guillaume, Leandro Ravetti, Pablo Canamasas, Giancarlo Cravotto, Xin-Qing Xu
High-frequency ultrasound standing waves (megasonics) have been demonstrated to enhance oil separation in the palm oil process at an industrial level. This work investigated the application of megasonics in the olive oil process on laboratory and pilot scale levels. Sound pressure level and cavitational yield distribution were characterised with hydrophones and luminol to determine associated physical and sonochemical effects inside the reactor. The effect of water addition (0%, 15%, and 30%), megasonic power levels (0%, 50%, and 100%), and malaxation time (10min, 30min, and 50min) was evaluated using response surface methodology (RSM) in a 700g batch extraction process...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28633539/a-survey-on-chemical-constituents-and-indications-of-aromatic-waters-soft-drinks-hydrosols-used-in-persian-nutrition-culture-and-folk-medicine-for-neurological-disorders-and-mental-health
#20
Azadeh Hamedi, Ardalan Pasdaran, Zahra Zebarjad, Mahmoodreza Moein
In Persian nutrition culture, drinking aromatic waters (hydrosols, distillate) has a long history as functional beverages or therapeutic remedies. The co-distilled water with essential oils, which contains partial amounts of more water-soluble volatile compounds are diluted and used as beverages. Since the solubility of volatile components is different in water, the overall composition, and thus the biological activities of aromatic waters seem to be different from the essential oils they were co-distilled with...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
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