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https://www.readbyqxmd.com/read/28094903/evaluation-of-the-efficacy-of-insecticidal-coatings-based-on-teflutrin-and-chlorpyrifos-against-rhynchophorus-ferrugineus
#1
Massimo Pugliese, Alberto Rettori Andrea, Roberto Martinis, Khalid Al-Rohily, Velate Suresh, Moideen Mohamed Ashraf, Ali Al-Maashi
BACKGROUND: The date palm (Phoenix dactylifera L.) is an important economic resource for many nations worldwide, recently threatened by the presence of different insect pests, like the red palm weevil (RPW) Rhynchophorus ferrugineus. RESULTS: Two products, a glue (polyvinyl acetate) and an oil (raw linseed oil), have been used as coatings and applied together with a repellent and two insecticides (teflutrin and chlorpyrifos) at different dosages on 2 species of palm (Phoenix dactylifera and Phoenix canariensis)...
January 17, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28068641/oil-palm-drought-inducible-dreb1-induced-expression-of-dre-crt-and-non-dre-crt-containing-genes-in-lowland-transgenic-tomato-under-cold-and-peg-treatments
#2
Azzreena Mohamad Azzeme, Siti Nor Akmar Abdullah, Maheran Abd Aziz, Puteri Edaroyati Megat Wahab
Dehydration-responsive element binding (DREB) transcription factor plays an important role in controlling the expression of abiotic stress responsive genes. An intronless oil palm EgDREB1 was isolated and confirmed to be a nuclear localized protein. Electrophoretic mobility shift and yeast one-hybrid assays validated its ability to interact with DRE/CRT motif. Its close evolutionary relation to the dicot NtDREB2 suggests a universal regulatory role. In order to determine its involvement in abiotic stress response, functional characterization was performed in oil palm seedlings subjected to different levels of drought severity and in EgDREB1 transgenic tomato seedlings treated by abiotic stresses...
December 27, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28068636/citrus-leaf-extract-reduces-blood-pressure-and-vascular-damage-in-repeatedly-heated-palm-oil-diet-induced-hypertensive-rats
#3
Hawa Nordin Siti, Yusof Kamisah, Mohd Ishak Nur Iliyani, Suhaila Mohamed, Kamsiah Jaarin
Prolonged consumption of repeatedly heated vegetable oil increases blood pressure. This study aimed to determine the effects of Citrus leaf extract, (CLE) on blood pressure, blood pressure-regulating enzymes and mediators, as well as aortic histomorphometry in heated palm oil induced-hypertension. Male Sprague Dawley rats (n=56) were divided into seven groups; control group was given normal diet and the other groups were fed with palm oil-enriched diet (15% w/w) either fresh (FPO), five-time-heated (5HPO) or ten-time-heated (10HPO) with or without CLE (0...
January 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28060816/prediction-of-hexaconazole-concentration-in-the-top-most-layer-of-oil-palm-plantation-soil-using-exploratory-data-analysis-eda
#4
Zainol Maznah, Muhamad Halimah, Mahendran Shitan, Provash Kumar Karmokar, Sulaiman Najwa
Ganoderma boninense is a fungus that can affect oil palm trees and cause a serious disease called the basal stem root (BSR). This disease causes the death of more than 80% of oil palm trees midway through their economic life and hexaconazole is one of the particular fungicides that can control this fungus. Hexaconazole can be applied by the soil drenching method and it will be of interest to know the concentration of the residue in the soil after treatment with respect to time. Hence, a field study was conducted in order to determine the actual concentration of hexaconazole in soil...
2017: PloS One
https://www.readbyqxmd.com/read/28060497/solid-phase-speciation-and-solubility-of-phosphorus-in-an-acid-sulfate-paddy-soil-during-soil-reduction-and-reoxidation-as-affected-by-oil-palm-ash-and-biochar
#5
Worachart Wisawapipat, Kamolchanok Charoensri, Jirawat Runglerttrakoolchai
Understanding phosphorus (P) speciation and how redox conditions control P solubility in acid sulfate paddy soils with limited P availability is crucial for improving soil P availability. We examined P speciation and extractability in an acid sulfate paddy soil incorporated with oil palm ash (OPA) and biochar (OPB) during soil reduction and subsequent oxidation. Phosphorus K-edge X-ray absorption near edge structure (XANES) spectra of the soil samples revealed that P in the soil mainly occurred as P adsorbed to ferrihydrite and P adsorbed to gibbsite...
January 6, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28040580/physiological-effects-of-%C3%AE-linolenic-acid-and-sesamin-on-hepatic-fatty-acid-synthesis-and-oxidation
#6
Takashi Ide, Haruka Iwase, Saaya Amano, Saki Sunahara, Ayuka Tachihara, Minako Yagi, Tsuyoshi Watanabe
Interrelated effects of γ-linolenic acid (GLA) and sesamin, a sesame lignan, on hepatic fatty acid synthesis and oxidation were examined. Rats were fed experimental diets supplemented with 0 or 2 g/kg sesamin (1:1 mixture of sesamin and episesamin) and containing 100 g/kg of palm oil (saturated fat), safflower oil rich in linoleic acid, or oil of evening primrose origin containing 43% GLA (GLA oil) for 18 days. In rats fed sesamin-free diets, GLA oil, compared with other oils, increased the activity and mRNA levels of various enzymes involved in fatty acid oxidation, except for some instances...
December 14, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28036040/relative-estimation-of-water-content-for-flat-type-inductive-based-oil-palm-fruit-maturity-sensor
#7
Norhisam Misron, Nor Aziana Aliteh, Noor Hasmiza Harun, Kunihisa Tashiro, Toshiro Sato, Hiroyuki Wakiwaka
The paper aims to study the sensor that identifies the maturity of oil palm fruit bunches by using a flat-type inductive concept based on a resonant frequency technique. Conventionally, a human grader is used to inspect the ripeness of the oil palm fresh fruit bunch (FFB) which can be inconsistent and inaccurate. There are various new methods that are proposed with the intention to grade the ripeness of the oil palm FFB, but none has taken the inductive concept. In this study, the resonance frequency of the air coil is investigated...
December 28, 2016: Sensors
https://www.readbyqxmd.com/read/28028018/ontogenesis-and-functions-of-saxophone-stem-in-acrocomia-aculeata-arecaceae
#8
Joyce Nascimento E Souza, Leonardo Monteiro Ribeiro, Maria Olívia Mercadante-Simões
BACKGROUND AND AIMS: The underground saxophone stem systems produced by seedlings of certain palm species show peculiar growth patterns and distinctive morphologies, although little information is available concerning their development and function. We studied the ontogenesis of the saxophone stem in Acrocomia aculeata, an important neotropical oleaginous palm, and sought to experimentally define its function. METHODS: Morpho-anatomical evaluations were performed during 240 d on seedlings using traditional methodologies...
December 27, 2016: Annals of Botany
https://www.readbyqxmd.com/read/28017978/physicochemical-rheological-and-functional-properties-of-fats-and-oils-in-relation-to-cookie-quality-a-review
#9
REVIEW
Amita Devi, B S Khatkar
Sincere efforts of researchers are underway to understand the functionality of different fats and oils in relation to cookie quality. The quality of cookie primarily relies upon the functionality of fats and oils in cookie system which ultimately is combined result of their physical, chemical, and rheological properties. Effects of some major fats and oils such as butter, bakery fat, hydrogenated fat, lard, margarine, palm oil, sunflower oil, coconut oil, and soybean oil on the physical and sensory characteristics of cookie have been studied...
October 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28013466/determination-of-optimum-polymeric-coagulant-in-palm-oil-mill-effluent-coagulation-using-multiple-objective-optimisation-on-the-basis-of-ratio-analysis-moora
#10
K F Tamrin, A Y Zahrim
The main limitation of a conventional palm oil mill effluent (POME) ponding system lies in its inability to completely decolourise effluent. Decolourisation of effluent is aesthetically and environmentally crucial. However, determination of the optimum process parameters is becoming more complex with the increase of the number of coagulants and responses. The primary objective of this study is to determine the optimum polymeric coagulant in the coagulation-flocculation process of palm oil mill effluent by considering all output responses, namely lignin-tannin, low molecular mass coloured compounds (LMMCC), chemical oxygen demand (COD), ammonia nitrogen (NH3-N), pH and conductivity...
December 24, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28004609/occurrence-of-3-monochloropropanediol-esters-and-glycidyl-esters-in-commercial-infant-formulas-in-the-united-states
#11
Jessica Leigh, Shaun MacMahon
This work presents occurrence data for fatty acid esters of 3-chloro-1,2-propanediol (3-MCPD) and glycidol in 98 infant formula samples purchased in the United States. These contaminants, which result from the industrial processing of edible oils, are considered potentially carcinogenic and/or genotoxic, making their presence in refined oils and foods containing these oils a potential health risk. Because refined oils serve as the primary fat source in infant formula, particular attention has focused on developing methodology to extract and quantify MCPD and glycidyl esters in infant formula in order to produce occurrence data for risk assessment purposes...
December 22, 2016: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28004372/greenhouse-gas-emissions-during-plantation-stage-of-palm-oil-based-biofuel-production-addressing-different-land-conversion-scenarios-in-malaysia
#12
Faradiella Mohd Kusin, Nurul Izzati Mat Akhir, Ferdaus Mohamat-Yusuff, Muhamad Awang
The environmental impacts with regard to agro-based biofuel production have been associated with the impact of greenhouse gas (GHG) emissions. In this study, field GHG emissions during plantation stage of palm oil-based biofuel production associated with land use changes for oil palm plantation development have been evaluated. Three different sites of different land use changes prior to oil palm plantation were chosen; converted land-use (large and small-scales) and logged-over forest. Field sampling for determination of soil N-mineralisation and soil organic carbon (SOC) was undertaken at the sites according to the age of palm, i...
December 21, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28003572/geographical-variation-in-soil-bacterial-community-structure-in-tropical-forests-in-southeast-asia-and-temperate-forests-in-japan-based-on-pyrosequencing-analysis-of-16s-rrna
#13
Natsumi Ito, Hiroko Iwanaga, Suliana Charles, Bibian Diway, John Sabang, Lucy Chong, Satoshi Nanami, Koichi Kamiya, Shawn Lum, Ulfah J Siregar, Ko Harada, Naohiko T Miyashita
Geographical variation in soil bacterial community structure in 26 tropical forests in Southeast Asia (Malaysia, Indonesia and Singapore) and two temperate forests in Japan was investigated to elucidate the environmental factors and mechanisms that influence biogeography of soil bacterial diversity and composition. Despite substantial environmental differences, bacterial phyla were represented in similar proportions, with Acidobacteria and Proteobacteria the dominant phyla in all forests except one mangrove forest in Sarawak, although highly significant heterogeneity in frequency of individual phyla was detected among forests...
December 21, 2016: Genes & Genetic Systems
https://www.readbyqxmd.com/read/28000124/lead-isotope-ratios-in-lichen-samples-evaluated-by-icp-tof-ms-to-assess-possible-atmospheric-pollution-sources-in-havana-cuba
#14
Alfredo Montero Alvarez, Juan R Estévez Alvarez, Clístenes Williams Araújo do Nascimento, Iván Pupo González, Oscar Díaz Rizo, Lázaro Lima Carzola, Roberto Ayllón Torres, Jorge Gómez Pascual
Epiphytic lichens, collected from 119 sampling sites grown over "Roistonea Royal Palm" trees, were used to assess the spatial distribution pattern of lead (Pb) and identify possible pollution sources in Havana (Cuba). Lead concentrations in lichens and topsoils were determined by flame atomic absorption spectrophotometry and inductively coupled plasma (ICP) atomic emission spectrometry, respectively, while Pb in crude oils and gasoline samples were measured by ICP-time of flight mass spectrometry (ICP-ToF-MS)...
January 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27987839/polymer-blend-of-pla-phbv-based-bionanocomposites-reinforced-with-nanocrystalline-cellulose-for-potential-application-as-packaging-material
#15
Y K Dasan, A H Bhat, Faiz Ahmad
The current research discusses the development of poly (lactic acid) (PLA) and poly-(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) reinforced nanocrystalline cellulose bionanocomposites. The nanocrystalline cellulose was derived from waste oil palm empty fruit bunch fiber by acid hydrolysis process. The resulting nanocrystalline cellulose suspension was then surface functionalized by TEMPO-mediated oxidation and solvent exchange process. Furthermore, the PLA/PHBV/nanocrystalline cellulose bionanocomposites were produced by solvent casting method...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27987169/using-tropgenedb-a-database-containing-data-on-molecular-markers-qtls-maps-genotypes-and-phenotypes-for-tropical-crops
#16
Manuel Ruiz, Guilhem Sempéré, Chantal Hamelin
TropGeneDB ( http://tropgenedb.cirad.fr ) is a web database that manages genomic, genetic, and phenotypic information on tropical crops. It is organized on a crop basis with currently nine public modules: banana, cocoa, coconut, coffee, cotton, oil palm, rice, rubber tree, and sugarcane. TropGeneDB contains data on molecular markers, quantitative trait loci (QTLs), genetic and physical maps, genotyping and phenotyping studies, and information on genetic resources (geographic origin, parentage, collection). Crop-specific web interfaces have been designed to allow quick consultations as well as personalized complex queries...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27983833/identification-of-the-male-produced-aggregation-pheromone-of-the-four-spotted-coconut-weevil-diocalandra-frumenti
#17
Sandra Vacas, Ismael Navarro, Elena Seris, Carina Ramos, Estrella Hernández, Vicente Navarro-Llopis, Jaime Primo
The four-spotted coconut weevil, Diocalandra frumenti Fabricius (Coleoptera: Dryophthoridae), is a small weevil found attacking economically important palm species, such as coconut, date, oil, and Canary palms. Given the scarcity of detection and management tools for this pest, the availability of a pheromone to be included in trapping protocols would be a crucial advantage. Previous laboratory experiments showed evidence for aggregation behavior; thus, our main goal was to identify the aggregation pheromone in this species...
January 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27979162/one-input-class-and-two-input-class-classifications-for-differentiating-olive-oil-from-other-edible-vegetable-oils-by-use-of-the-normal-phase-liquid-chromatography-fingerprint-of-the-methyl-transesterified-fraction
#18
Ana M Jiménez-Carvelo, Estefanía Pérez-Castaño, Antonio González-Casado, Luis Cuadros-Rodríguez
A new method for differentiation of olive oil (independently of the quality category) from other vegetable oils (canola, safflower, corn, peanut, seeds, grapeseed, palm, linseed, sesame and soybean) has been developed. The analytical procedure for chromatographic fingerprinting of the methyl-transesterified fraction of each vegetable oil, using normal-phase liquid chromatography, is described and the chemometric strategies applied and discussed. Some chemometric methods, such as k-nearest neighbours (kNN), partial least squared-discriminant analysis (PLS-DA), support vector machine classification analysis (SVM-C), and soft independent modelling of class analogies (SIMCA), were applied to build classification models...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27979116/technological-properties-of-amazonian-oils-and-fats-and-their-applications-in-the-food-industry
#19
Carolina Vieira Bezerra, Antonio Manoel da Cruz Rodrigues, Pedro Danilo de Oliveira, Dayala Albuquerque da Silva, Luiza Helena Meller da Silva
The application of lipids to food production is dependent on their physical, chemical, and nutritional properties. In this study, pracaxi oil, passion fruit oil, cupuassu fat, and palm stearin underwent physicochemical analyses and were combined at ratios of 40:60, 50:50, 60:40, and 70:30 to assess their potential applications in the food industry. Pracaxi oil, passion fruit oil, and cupuassu fat had interesting fatty acid profiles from a nutritional standpoint, displaying the lowest atherogenicity and thrombogenicity indices (0...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27979055/barcode-dna-length-polymorphisms-vs-fatty-acid-profiling-for-adulteration-detection-in-olive-oil
#20
Ali Tevfik Uncu, Ayse Ozgur Uncu, Anne Frary, Sami Doganlar
The aim of this study was to compare the performance of a DNA-barcode assay with fatty acid profile analysis to authenticate the botanical origin of olive oil. To achieve this aim, we performed a PCR-capillary electrophoresis (PCR-CE) approach on olive oil: seed oil blends using the plastid trnL (UAA) intron barcode. In parallel to genomic analysis, we subjected the samples to gas chromatography analysis of fatty acid composition. While the PCR-CE assay proved equally efficient as gas chromatography analysis in detecting adulteration with soybean, palm, rapeseed, sunflower, sesame, cottonseed and peanut oils, it was superior to the widely utilized analytical chemistry approach in revealing the adulterant species and detecting small quantities of corn and safflower oils in olive oil...
April 15, 2017: Food Chemistry
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