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palm 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
Negisa Darajeh, Azni Idris, Hamid Reza Fard Masoumi, Abolfazl Nourani, Paul Truong, Shahabaldin Rezania
Artificial neural networks (ANN) have been widely used to solve the problems because of their reliable, robust, and salient characteristics in capturing the non-linear relationships between variables in complex systems. In this study ANN was applied for modeling of COD and BOD removal from Palm Oil Mill Secondary Effluent (POMSE) by Vetiver system. The independent variable including POMSE concentration, Vetiver slips density, and removal time has been considered as input parameters to optimize the network, while the removal percentage of COD and BOD were selected as output...
October 17, 2016: International Journal of Phytoremediation
T Komprda, V Rozíková, N Zamazalová, O Škultéty, M Vícenová, M Trčková, M Faldyna
The objective of the present study was to compare hepatic fatty acid deposition, plasma lipid level and expression of cholesterol homeostasis controlling genes in the liver of rats (Wistar Albino; n = 32) and pigs (Large White × Landrace; n = 32) randomly assigned into two groups of 16 animals each and fed 10 weeks the diet with either 2.5% of fish oil (F; source of eicosapentaenoic and docosahexaenoic acid, EPA+DHA) or 2.5% of palm oil (P; high content of saturated fatty acids; control). F-rats deposited in the liver three times less EPA, but 1...
October 16, 2016: Journal of Animal Physiology and Animal Nutrition
Abdul Sattar Chang, Syed Tufail Hussain Sherazi, Aftab Ahmed Kandhro, Sarfaraz Ahmed Mahesar, Fouzia Chang, Syed Nasrullah Shah, Zahid Hussain Laghari, Tarique Panhwar
Palm fatty acid distillate (PFAD) is cheap and valuable byproduct of edible oil processing industries. This study was designed to characterize PFAD collected from different local oil industries. AOCS methods were used for the determination of physicochemical parameters such as free fatty acid (FFA), saponification value (SV), iodine value (IV), peroxide value (PV) and moisture content. Fatty acid composition was analyzed using GC-MS. Moisture content of samples was found to be in the range between 0.06-7.50%, while FFA, SV, IV and PV were found to be 65...
October 12, 2016: Journal of Oleo Science
Chun Sheng Goh, Birka Wicke, Judith Verstegen, André Faaij, Martin Junginger
Numerous analyses have been performed to quantitatively link carbon stock change caused by land-use change (CSC-LUC) to consumption of agricultural products, but results differ significantly, even for studies focussing on the same region or product. This is due to the different focuses and interpretations of the links between direct drivers and underlying causes of CSC-LUC, which can be translated into differences in key functions, i.e. specific methods, algorithms and parameters embedded in the analysis. Using the example of Indonesian palm oil production (often associated with CSC-LUC), this paper carries out a meta-analysis of 12 existing studies, determines the different settings for the key functions embedded in consumption-based CSC-LUC studies and discussed their implications for policymaking...
October 9, 2016: Journal of Environmental Management
Yann Clough, Vijesh V Krishna, Marife D Corre, Kevin Darras, Lisa H Denmead, Ana Meijide, Stefan Moser, Oliver Musshoff, Stefanie Steinebach, Edzo Veldkamp, Kara Allen, Andrew D Barnes, Natalie Breidenbach, Ulrich Brose, Damayanti Buchori, Rolf Daniel, Reiner Finkeldey, Idham Harahap, Dietrich Hertel, A Mareike Holtkamp, Elvira Hörandl, Bambang Irawan, I Nengah Surati Jaya, Malte Jochum, Bernhard Klarner, Alexander Knohl, Martyna M Kotowska, Valentyna Krashevska, Holger Kreft, Syahrul Kurniawan, Christoph Leuschner, Mark Maraun, Dian Nuraini Melati, Nicole Opfermann, César Pérez-Cruzado, Walesa Edho Prabowo, Katja Rembold, Akhmad Rizali, Ratna Rubiana, Dominik Schneider, Sri Sudarmiyati Tjitrosoedirdjo, Aiyen Tjoa, Teja Tscharntke, Stefan Scheu
Smallholder-dominated agricultural mosaic landscapes are highlighted as model production systems that deliver both economic and ecological goods in tropical agricultural landscapes, but trade-offs underlying current land-use dynamics are poorly known. Here, using the most comprehensive quantification of land-use change and associated bundles of ecosystem functions, services and economic benefits to date, we show that Indonesian smallholders predominantly choose farm portfolios with high economic productivity but low ecological value...
October 11, 2016: Nature Communications
M Shahul Hamid Rahamah Bivi, Adamu Saidu Paiko, Ahmad Khairulmazmi, M S Akhtar, Abu Seman Idris
Continuous supplementation of mineral nutrients and salicylic acid (SA) as foliar application could improve efficacy in controlling basal stem rot (BSR) disease in oil palm seedling. It is revealed from the results that the highest disease severity index (58.3%) was recorded in T8 treatments at 9 months after inoculation. The best disease control was achieved by T7 treatments (calcium/copper/SA [Ca/Cu/SA]) (5.0%) followed by T1 (5.5%), T5 (5.8%), T3 (8.3%), T6 (8.3%), T4 (13.3%), and T2 (15.8%) treatments. Continuous supplementation of Ca/Cu/SA was found to be the most effective in controlling the disease and the high performance liquid chromatography results showed the detection of ergosterol at very low concentration in the treated samples...
October 2016: Plant Pathology Journal
Yung-Chie Tan, Cheng-Liang Ang, Mui-Yun Wong, Chai-Ling Ho
Plant defensins are plant defence peptides that have many different biological activities, including antifungal, antimicrobial, and insecticidal activities. A cDNA (EgDFS) encoding defensin was isolated from Elaies guineensis. The open reading frame of EgDFS contained 231 nucleotides encoding a 71-amino acid protein with a predicted molecular weight at 8.69 kDa, and a potential signal peptide. The eight highly conserved cysteine sites in plant defensins were also conserved in EgDFS. The EgDFS sequence lacking 30 amino acid residues at its N-terminus (EgDFSm) was cloned into Escherichia coli BL21 (DE3) pLysS and successfully expressed as a soluble recombinant protein...
October 6, 2016: Protein and Peptide Letters
Nor Faeizah Ibrahim, Daijiro Yanagisawa, Lina Wati Durani, Hamizah Shahirah Hamezah, Hanafi Ahmad Damanhuri, Wan Zurinah Wan Ngah, Mayumi Tsuji, Yuji Kiuchi, Kenjiro Ono, Ikuo Tooyama
Alzheimer's disease (AD) is the most common cause of dementia. The cardinal neuropathological characteristic of AD is the accumulation of amyloid-β (Aβ) into extracellular plaques that ultimately disrupt neuronal function and lead to neurodegeneration. One possible therapeutic strategy therefore is to prevent Aβ aggregation. Previous studies have suggested that vitamin E analogs slow AD progression in humans. In the present study, we investigated the effects of the tocotrienol-rich fraction (TRF), a mixture of vitamin E analogs from palm oil, on amyloid pathology in vitro and in vivo...
October 1, 2016: Journal of Alzheimer's Disease: JAD
Suriya Palamae, Pongsathorn Dechatiwongse, Wanna Choorit, Yusuf Chisti, Poonsuk Prasertsan
A sequential two-step treatment with peracetic acid (PA) and alkaline peroxide (AP) at mild temperatures (20-35°C) removed more than 98% of the lignin from oil palm empty fruit bunch (EFB) fiber. For each kilogram of EFB fiber treated, 200-250g of a solids fraction and 120-170g of a precipitate fraction were recovered after the treatment. Subsequent enzymatic hydrolysis (45°C, 72h) of the recovered solids (excluding the precipitate) resulted in a glucose yield of 629.8±0.5g per kg of the original dry EFB biomass...
January 2, 2017: Carbohydrate Polymers
S Allahyari-Bake, R Jahanian
Two separate experiments were conducted to investigate the effect of different fat sources and a supplemental exogenous emulsifier (lysophosphatidylcholine, LPC) on growth performance, antibody production titers, and ileal nutrient digestibility in broiler chicks fed with different basal diets. A total of 288 one-day-old Ross 308 chicks were used for each trial (6 dietary treatments based on 3 × 2 factorial arrangements of treatments in both trials) with 4 replicates of 12 birds each. Dietary treatments consisted of 3 different fat sources (soy oil, SO; soy free fatty acids, SFFA; and palm fat powder, PFP) and 2 LPC levels (0 and 0...
October 2, 2016: Poultry Science
S A Nusaibah, A Siti Nor Akmar, A S Idris, M Sariah, Z Mohamad Pauzi
Understanding the mechanism of interaction between the oil palm and its key pathogen, Ganoderma spp. is crucial as the disease caused by this fungal pathogen leads to a major loss of revenue in leading palm oil producing countries in Southeast Asia. Here in this study, we assess the morphological and biochemical changes in Ganoderma disease infected oil palm seedling roots in both resistant and susceptible progenies. Rubber woodblocks fully colonized by G. boninense were applied as a source of inoculum to artificially infect the roots of resistant and susceptible oil palm progenies...
September 19, 2016: Plant Physiology and Biochemistry: PPB
Katrul Nadia Basri, Mutia Nurulhusna Hussain, Jamilah Bakar, Zaiton Sharif, Mohd Fared Abdul Khir, Ahmad Sabirin Zoolfakar
Short wave near infrared spectroscopy (NIR) method was used to detect the presence of lard adulteration in palm oil. MicroNIR was set up in two different scan modes to study the effect of path length to the performance of spectral measurement. Pure and adulterated palm oil sample were classified using soft independent modeling class analogy (SIMCA) algorithm with model accuracy more than 0.95 reported for both transflectance and transmission modes. Additionally, by employing partial least square (PLS) regression, the coefficient of determination (R(2)) of transflectance and transmission were 0...
September 20, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
Luke J Evans, T Hefin Jones, Keeyen Pang, Silvester Saimin, Benoit Goossens
The role that oil palm plays in the Lower Kinabatangan region of Eastern Sabah is of considerable scientific and conservation interest, providing a model habitat for many tropical regions as they become increasingly fragmented. Crocodilians, as apex predators, widely distributed throughout the tropics, are ideal indicator species for ecosystem health. Drones (or unmanned aerial vehicles (UAVs)) were used to identify crocodile nests in a fragmented landscape. Flights were targeted through the use of fuzzy overlay models and nests located primarily in areas indicated as suitable habitat...
2016: Sensors
T Egan Benova, B Szeiffova Bacova, C Viczenczova, E Diez, M Barancik, N Tribulova
Gap junction connexin channels are important determinants of myocardial conduction and synchronization that is crucial for coordinated heart function. One of the main risk factors for cardiovascular events that results in heart attack, congestive heart failure, stroke as well as sudden arrhythmic death is hypertension. Mislocalization and/or dysfunction of specific connexin-43 channels due to hypertension-induced myocardial remodeling have been implicated in the occurrence of life-threatening arrhythmias and heart failure in both, humans as well as experimental animals...
September 19, 2016: Physiological Research
M Z Mohamed Najib, Salmiati, Z Ujang, M R Salim, Z Ibrahim, K Muda
The developed microbial granules containing photosynthetic pigments had successfully achieved approximately 18-21% of carbon dioxide (CO2) removal in POME for one complete SBR cycle. Also, the granules had reached CO2 removal at 15-29% within 24h and removal of 25% after 5 days. Both results were inconsistent possibly due to the slow mass transfer rate of CO2 from gas to liquid as well as the simultaneous effect of CO2 production and respiration among the microbes. Furthermore, results showed the removal of CO2 from air increases proportionally with the CO2 removed in liquid...
December 2016: Bioresource Technology
Chun Sheng Goh
Concerns over the sustainability of palm oil have triggered debates about its role in a bio-based economy, but can we get rid of it? Although the quick answer is no, we should eliminate unsustainable land-use practices. However, currently, technical and financial support for land-users to adopt sustainable land-use practices in the cultivation of palm oil is largely missing.
September 9, 2016: Trends in Biotechnology
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
R M do Prado, M F Palin, I N do Prado, G T Dos Santos, C Benchaar, H V Petit
The response of transition dairy cows to dietary supplementation with fat sources of various fatty acid profiles could affect hepatic fat metabolism differently. Twenty-eight Holstein cows were blocked for similar calving date 4 wk before expected parturition to compare the effects of feeding sources of n-3 and n-6 fatty acids on milk production and composition, plasma metabolites, and liver parameters. Cows within each block were assigned to 1 of 3 isonitrogenous and isoenergetic diets: control with a source of calcium salts of palm oil (MEG; 1...
September 7, 2016: Journal of Dairy Science
David L A Gaveau, Douglas Sheil, Husnayaen, Mohammad A Salim, Sanjiwana Arjasakusuma, Marc Ancrenaz, Pablo Pacheco, Erik Meijaard
New plantations can either cause deforestation by replacing natural forests or avoid this by using previously cleared areas. The extent of these two situations is contested in tropical biodiversity hotspots where objective data are limited. Here, we explore delays between deforestation and the establishment of industrial tree plantations on Borneo using satellite imagery. Between 1973 and 2015 an estimated 18.7 Mha of Borneo's old-growth forest were cleared (14.4 Mha and 4.2 Mha in Indonesian and Malaysian Borneo)...
2016: Scientific Reports
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