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https://www.readbyqxmd.com/read/28633809/extraction-of-olive-oil-assisted-by-high-frequency-ultrasound-standing-waves
#1
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
#2
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
https://www.readbyqxmd.com/read/28628983/immobilized-oleaginous-microalgae-for-production-of-lipid-and-phytoremediation-of-secondary-effluent-from-palm-oil-mill-in-fluidized-bed-photobioreactor
#3
Benjamas Cheirsilp, Tipawan Thawechai, Poonsuk Prasertsan
Oleaginous microalga Nannochloropsis sp. was immobilized in alginate gel beads and cultivated under optimal conditions that their growth and lipid production were comparable to those of free cells. The immobilized cells were used in phytoremediation of secondary effluent from palm oil mill and easily recovered by simple sieving method. The immobilized cells contributed to removal of nitrogen and phosphorus >90% and CO2 mitigation >99%. They also gave the biomass and lipid production of 1.300±0.050g/L and 0...
June 14, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28623763/saturated-high-fat-feeding-independent-of-obesity-alters-hypothalamus-pituitary-adrenal-axis-function-but-not-anxiety-like-behaviour
#4
Cecile Hryhorczuk, Léa Décarie-Spain, Sandeep Sharma, Caroline Daneault, Christine Des Rosiers, Thierry Alquier, Stephanie Fulton
Overconsumption of dietary fat can elicit impairments in emotional processes and the response to stress. While excess dietary lipids have been shown to alter hypothalamus-pituitary-adrenal (HPA) axis function and promote anxiety-like behaviour, it is not known if such changes rely on elevated body weight and if these effects are specific to the type of dietary fat. The objective of this study was to investigate the effect of a saturated and a monounsaturated high-fat diet (HFD) on HPA axis function and anxiety-like behaviour in rats...
June 10, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28623493/bioremediation-of-palm-industry-wastes-using-vermicomposting-technology-its-environmental-application-as-green-fertilizer
#5
Parveen Fatemeh Rupani, Asha Embrandiri, Mahamd Hakimi Ibrahim, Mohammad Shahadat, Sune Balle Hansen, Nur Naha Abu Mansor
Several technologies are being applied for treatment of palm oil mill wastes. Among them, the biological treatments (vermicomposting) have widely been recognized as one of the most efficient and eco-friendly methods for converting organic waste materials into valuable products. The present study focuses on vermicomposting of acidic palm oil mill effluent (POME) mixed with the palm pressed fibre (PPF) which are found difficult to decompose in the environment. The industrial waste (POME) was vermicomposted using Lumbricus rubellus under laboratory conditions for a period of 45 days...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28620814/oil-palm-fiber-biodegradation-physico-chemical-and-structural-relationships
#6
Farah Nadia Omar, Halimatun Saadiah Hafid, Azhari Samsu Baharuddin, Mohd Afandi P Mohammed, Jaafar Abdullah
X-ray microtomography results revealed that delignification process damaged the oil palm fibers, which correlated well with reduction of lignin components and increase of the phenolic content. Biodegradation investigation of natural fibers normally focuses on physico-chemical analysis, with less emphasis on physical aspect like fiber structures affect from microbial activity. In this work, the performance of Pycnoporus sanguineus to delignify oil palm empty fruit bunch fibers through solid-state fermentation utilizing various ratio of POME sludge was reported...
June 15, 2017: Planta
https://www.readbyqxmd.com/read/28617641/decreasing-stoichiometric-resource-quality-drives-compensatory-feeding-across-trophic-levels-in-tropical-litter-invertebrate-communities
#7
Malte Jochum, Andrew D Barnes, David Ott, Birgit Lang, Bernhard Klarner, Achmad Farajallah, Stefan Scheu, Ulrich Brose
Living organisms are constrained by both resource quantity and quality. Ecological stoichiometry offers important insights into how the elemental composition of resources affects their consumers. If resource quality decreases, consumers can respond by shifting their body stoichiometry, avoiding low-quality resources, or up-regulating feeding rates to maintain the supply of required elements while excreting excess carbon (i.e., compensatory feeding). We analyzed multitrophic consumer body stoichiometry, biomass, and feeding rates along a resource-quality gradient in the litter of tropical forest and rubber and oil-palm plantations...
July 2017: American Naturalist
https://www.readbyqxmd.com/read/28616451/dataset-on-potential-large-scale-production-of-biosurfactant-using-bacillus-sp
#8
Hesty Heryani, Meilana Dharma Putra
Surfactants are very important in industry. The cost of commercial surfactant production is still high and the surfactant demand is constantly increasing. Microbial production of surfactant known as biosurfactant shows commercial potency. Utilization of Bacillus sp. strain on glucose fermentation for biosurfactant production was then studied. This type of microbe was isolated from soil contaminated with palm oil. The selection of the strain was based on its ability to form emulsifying zone around the colony and its capability to grow compared with those for commercial bacteria of Bacillus pumilus JCM 2508...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28606348/about-ganoderma-boninense-in-oil-palm-plantations-of-sumatra-and-peninsular-malaysia-ancient-population-expansion-extensive-gene-flow-and-large-scale-dispersion-ability
#9
Maxime Mercière, Romain Boulord, Catherine Carasco-Lacombe, Christophe Klopp, Yang-Ping Lee, Joon-Sheong Tan, Sharifah S R Syed Alwee, Alba Zaremski, Hubert De Franqueville, Frédéric Breton, Létizia Camus-Kulandaivelu
Wood rot fungi form one of the main classes of phytopathogenic fungus. The group includes many species, but has remained poorly studied. Many species belonging to the Ganoderma genus are well known for causing decay in a wide range of tree species around the world. Ganoderma boninense, causal agent of oil palm basal stem rot, is responsible for considerable yield losses in Southeast Asian oil palm plantations. In a large-scale sampling operation, 357 sporophores were collected from oil palm plantations spread over peninsular Malaysia and Sumatra and genotyped using 11 SSR markers...
June 2017: Fungal Biology
https://www.readbyqxmd.com/read/28602987/modification-of-oil-palm-fronds-lignin-by-incorporation-of-m-cresol-for-improving-structural-and-antioxidant-properties
#10
Nurul Atiqah Sa'don, Afidah Abdul Rahim, Mohamad Nasir Mohamad Ibrahim, Nicolas Brosse, M Hazwan Hussin
Lignin extracted from oil palm fronds (OPF) underwent chemical modification by incorporating m-cresol into the lignin matrix. This study reports on the physicochemical properties and antioxidant activity of unmodified autohydrolyzed ethanol organosolv lignin (AH EOL) and the modified autohydrolyzed ethanol organosolv lignin (AHC EOL). The lignin samples were analyzed by FTIR, (1)H and (13)C NMR spectroscopy, 2D NMR: HSQC spectroscopy, CHN analysis, molecular weight distribution analysis; GPC and thermal analysis; DSC and TGA...
June 8, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28601774/pyrolysis-of-oil-palm-mesocarp-fiber-and-palm-frond-in-a-slow-heating-fixed-bed-reactor-a-comparative-study
#11
G Kabir, A T Mohd Din, B H Hameed
Oil palm mesocarp fiber (OPMF) and palm frond (PF) were respectively devolatilized by pyrolysis to OPMF-oil and PF-oil bio-oils and biochars, OPMF-char and PF-char in a slow-heating fixed-bed reactor. In particular, the OPMF-oil and PF-oil were produced to a maximum yield of 48wt% and 47wt% bio-oils at 550°C and 600°C, respectively. The high heating values (HHVs) of OPMF-oil and PF-oil were respectively found to be 23MJ/kg and 21MJ/kg, whereas 24.84MJ/kg and 24.15MJ/kg were for the corresponding biochar. The HHVs of the bio-oils and biochars are associated with low O/C ratios to be higher than those of the corresponding biomass...
June 1, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28596562/characterizing-haploinsufficiency-of-shell-gene-to-improve-fruit-form-prediction-in-introgressive-hybrids-of-oil-palm
#12
Chee-Keng Teh, Siti Dalila Muaz, Praveena Tangaya, Po-Yee Fong, Ai-Ling Ong, Sean Mayes, Fook-Tim Chew, Harikrishna Kulaveerasingam, David Appleton
The fundamental trait in selective breeding of oil palm (Eleais guineensis Jacq.) is the shell thickness surrounding the kernel. The monogenic shell thickness is inversely correlated to mesocarp thickness, where the crude palm oil accumulates. Commercial thin-shelled tenera derived from thick-shelled dura × shell-less pisifera generally contain 30% higher oil per bunch. Two mutations, sh (MPOB) (M1) and sh (AVROS) (M2) in the SHELL gene - a type II MADS-box transcription factor mainly present in AVROS and Nigerian origins, were reported to be responsible for different fruit forms...
June 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28594075/influence-of-dietary-fat-source-on-sow-and-litter-performance-colostrum-and-milk-fatty-acid-profile-in-late-gestation-and-lactation
#13
Chao Jin, Zhengfeng Fang, Yan Lin, Lianqiang Che, Caimei Wu, Shengyu Xu, Bin Feng, Jian Li, De Wu
The objective of this study was to investigate the effects of dietary supplementation with various fat sources (3.8-3.9% of diet) during late pregnancy and lactation on the reproductive performance, fatty acids profile in colostrum, milk and serum of sow progeny. A total of 80 multiparous sows were randomly fed a control (adding no oil), palm oil (PO), fish oil (FO) or soybean oil (SO) supplemented diet from 90 days of pregnancy to weaning. Supplementation of FO increased litter size of weak piglets, compared with the control-fed sows (P < 0...
June 8, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28593519/solid-state-fermentation-for-production-of-a-bioherbicide-from-diaporthe-sp-and-its-formulation-to-enhance-the-efficacy
#14
Bruna de Oliveira Bastos, Gabriel Antônio Deobald, Thiarles Brun, Valéria Dal Prá, Emanuele Junges, Raquel C Kuhn, Aniela Kempka Pinto, Marcio A Mazutti
In this study, a bioherbicide was produced by solid-state fermentation (SSF) using Diaporthe sp. Adjuvants were employed in a formulation to enhance the herbicidal activity towards the target (Cucumis sativus). The study was divided into two steps: (1) the fermentation condition for bioherbicide production was assessed; (2) evaluation of different formulations containing palm oil, Tween(®) 80 and Span(®) 80, in order to increase phytotoxicity. In step 1, the maximum herbicidal activity (1.23% of the leaves had lesions) was obtained at 25 °C, moisture content of 50 wt%, supplemented with 10 wt% of corn steep liquor and soybean bran and inoculum density of 15 wt%...
June 2017: 3 Biotech
https://www.readbyqxmd.com/read/28592650/identification-of-ganoderma-disease-resistance-loci-using-natural-field-infection-of-an-oil-palm-multiparental-population
#15
Sébastien Tisné, Virginie Pomiès, Virginie Riou, Indra Syahputra, Benoît Cochard, Marie Denis
Multi-parental populations are promising tools for identifying quantitative disease resistance loci. Stem rot caused by Ganoderma boninense is a major threat to palm oil production, with yield losses of up to 80% prompting premature replantation of palms. There is evidence of genetic resistance sources, but the genetic architecture of Ganoderma resistance has not yet been investigated. This study aimed to identify Ganoderma resistance loci using an oil palm multi-parental population derived from nine major founders of ongoing breeding programs...
June 7, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28590158/relationship-between-total-polar-components-and-polycyclic-aromatic-hydrocarbons-in-fried-edible-oil
#16
Ke-Jing An, Yu-Lan Liu, Hai-Lan Liu
Deep-fried dough sticks (a Chinese traditional breakfast) were fried individually in peanut, sunflower, rapeseed, rice bran, soybean and palm oil without any time lag for 32 h (64 batches fried, each for 30 min) and fried oil samples were obtained every 2 h. The frying-induced changes in the levels of total polar compounds (TPC) and polycyclic aromatic hydrocarbons (PAHs) were investigated by edible oil polar compounds (EOPC) fast separation chromatographic system and gas chromatography-mass spectrometry (GC-MS), respectively...
June 20, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28588233/genomic-selection-in-commercial-perennial-crops-applicability-and-improvement-in-oil-palm-elaeis-guineensis-jacq
#17
Qi Bin Kwong, Ai Ling Ong, Chee Keng Teh, Fook Tim Chew, Martti Tammi, Sean Mayes, Harikrishna Kulaveerasingam, Suat Hui Yeoh, Jennifer Ann Harikrishna, David Ross Appleton
Genomic selection (GS) uses genome-wide markers to select individuals with the desired overall combination of breeding traits. A total of 1,218 individuals from a commercial population of Ulu Remis x AVROS (UR x AVROS) were genotyped using the OP200K array. The traits of interest included: shell-to-fruit ratio (S/F, %), mesocarp-to-fruit ratio (M/F, %), kernel-to-fruit ratio (K/F, %), fruit per bunch (F/B, %), oil per bunch (O/B, %) and oil per palm (O/P, kg/palm/year). Genomic heritabilities of these traits were estimated to be in the range of 0...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28588111/dietary-determinants-of-serum-total-cholesterol-among-middle-aged-and-older-adults-a-population-based-cross-sectional-study-in-dar-es-salaam-tanzania
#18
Sujay S Kakarmath, Rachel M Zack, Germana H Leyna, Saman Fahimi, Enju Liu, Wafaie W Fawzi, Zohra Lukmanji, Japhet Killewo, Frank Sacks, Goodarz Danaei
OBJECTIVE: To assess the dietary determinants of serum total cholesterol. DESIGN: Cross-sectional population-based study. SETTING: Peri-urban region of Dar es Salaam, Tanzania. PARTICIPANTS: 347 adults aged 40 years and older from the Dar es Salaam Urban Cohort Hypertension Study. MAIN OUTCOME MEASURE: Serum total cholesterol measured using a point-of-care device. RESULTS: Mean serum total cholesterol level was 204 mg/dL (IQR 169-236 mg/dL) in women and 185 mg/dL (IQR 152-216 mg/dL) in men...
June 6, 2017: BMJ Open
https://www.readbyqxmd.com/read/28585172/identification-and-physiological-properties-of-a-nigerian-strain-of-volvariella-sp-isolated-from-oil-palm-waste
#19
A G Adewoyin, M Barooah, J K Oloke, S S Bora
Over the years several species of edible mushrooms have been collected for consumption from different agro-wastes in Nigeria. Identification of most of these mushrooms was often by morphological descriptive methods. This study reports the morphological study, physiological study and identification of a Nigerian wild strain of Volvariella sp. (VNW) isolated from discarded oil palm waste and three Indian commercial strains V11, V245 and V247 of V. volvacea. Effect of incubation temperatures and medium pH was investigated...
July 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28583872/targeted-mutations-and-md-simulations-of-a-methanol-stable-lipase-ylip9-from-yarrowia-lipolytica-msr80-to-develop-a-biodiesel-enzyme
#20
Poonam Syal, Ved Vrat Verma, Rani Gupta
Biodiesel, an environment friendly alternative for fuels, contains methyl esters of long-chain fatty acids. Our group has reported a methanol-stable YLIP9 from Yarrowia lipolytica MSR80 that shows poor catalysis of long-chain fatty acids. To shift its substrate specificity, residues within lid and binding pocket were identified for sequential mutations using YLIP2 as the template. Of the two point mutations (Glu116Leu and Ser119Val) introduced in the lid, the former mutation (YLIP9L1) increased the catalytic rate by ∼2-fold without any change in substrate specificity...
June 2, 2017: International Journal of Biological Macromolecules
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