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https://www.readbyqxmd.com/read/28651380/utilization-of-acid-pre-treated-coconut-dregs-as-a-substrate-for-production-of-detergent-compatible-lipase-by-bacillus-stratosphericus
#1
Nur Bainun Mohd Zin, Busyra Mohamad Yusof, Siti Nurbaya Oslan, Helmi Wasoh, Joo Shun Tan, Arbakariya B Ariff, Murni Halim
In recent years, many efforts have been directed to explore the methods to reduce the production costs of industrial lipase by improving the yield and the use of low-cost agricultural wastes. Coconut dregs, which is a lignocellulosic by-product from coconut oil and milk processing plants, is rich in cellulose (36%) and crude fat (9%). A newly isolated Bacillus stratosphericus has been demonstrated to perform cellulose hydrolysis on coconut dregs producing fermentable sugars. The highest extracellular lipase activity of 140 U/mL has been achieved in submerged fermentation with acid pre-treated coconut dregs...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28646309/influence-of-polymethyl-acrylate-additive-on-the-formation-of-particulate-matter-and-nox-emission-of-a-biodiesel-diesel-fueled-engine
#2
Islam Mohammad Monirul, Haji Hassan Masjuki, Mohammad Abdul Kalam, Nurin Wahidah Mohd Zulkifli, Islam Shancita
The aim of this study is to investigate the effect of the polymethyl acrylate (PMA) additive on the formation of particulate matter (PM) and nitrogen oxide (NOX) emission from a diesel coconut and/or Calophyllum inophyllum biodiesel-fueled engine. The physicochemical properties of 20% of coconut and/or C. inophyllum biodiesel-diesel blend (B20), 0.03 wt% of PMA with B20 (B20P), and diesel fuel were measured and compared to ASTM D6751, D7467, and EN 14214 standard. The test results showed that the addition of PMA additive with B20 significantly improves the cold-flow properties such as pour point (PP), cloud point (CP), and cold filter plugging point (CFPP)...
June 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28640528/evaluation-of-a-novel-metal-organic-framework-as-an-adsorbent-for-the-extraction-of-multiclass-pesticides-from-coconut-palm-cocos-nucifera-l-an-analytical-approach-using-matrix-solid-phase-dispersion-and-liquid-chromatography
#3
Jemmyson Romário de Jesus, Kaline Amaral Wanderley, Severino Alves Júnior, Sandro Navickiene
We report the synthesis, characterization, and application of [Zn(1,4-benzenedicarboxylate)(H2 O)2 ]n , Zn(1,4-benzenedicarboxylate)0.99 (NH2 -1,4-benzenedicarboxylate)0.01 (H2 O)2 ]n , [Zn(1,4-benzenedicarboxylate)0.95 (NH2 -1,4-benzenedicarboxylate)0.05 (H2 O)2 ]n and [Zn(1,4-benzenedicarboxylate)0.9 (NH2 -1,4-benzenedicarboxylate)0.1 (H2 O)2 ]n as sorbents for the extraction of multiclass pesticides from coconut palm. Liquid chromatography with ultraviolet diode array detection was used as the analysis technique, and the experiments were performed at one fortification level (0...
June 22, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28640203/effect-of-solution-ph-on-the-adsorption-of-paracetamol-on-chemically-modified-activated-carbons
#4
Valentina Bernal, Alessandro Erto, Liliana Giraldo, Juan Carlos Moreno-Piraján
Paracetamol adsorption in acidic, neutral and basic media on three activated carbons with different chemistry surfaces was studied. A granular activated carbon (GAC) was prepared from coconut shell; starting from this sample, an oxidized activated carbon (GACo) was obtained by treating the GAC with a boiling solution of 6 M nitric acid, so to generate a greater number of oxygenated surface groups. In addition, a reduced activated carbon (GACr) was obtained by heating the GAC at 1173 K, to remove the oxygenated surface groups...
June 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28639851/activated-carbon-of-babassu-coconut-impregnated-with-copper-nanoparticles-by-green-synthesis-for-the-removal-of-nitrate-in-aqueous-solution
#5
Rebecca Manesco Paixão, Isabela Maria Reck, Rosângela Bergamasco, Marcelo Fernandes Vieira, Angélica Marquetotti Salcedo Vieira
The present study was conducted to impregnate the surface of a carbon of vegetable origin with copper nanoparticles using the green synthesis method with the aqueous extract of Hibiscus sabdariffa flowers, rich in phenolic compounds, which are responsible for the reduction and impregnation of metal nanoparticles. Batch adsorption assays were conducted aimed at nitrate removal with pure (GAC) and impregnated (IGAC) carbon, for comparative purposes. It was found that impregnation increases the efficiency of the carbon by 4 times in terms of the maximum adsorption capacity, which was 10...
June 22, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28631270/comparison-of-in-vivo-toxicity-antioxidant-and-immunomodulatory-activities-of-coconut-nipah-and-pineapple-juice-vinegars
#6
Nurul Elyani Mohamad, Swee KeongYeap, Boon Keen Beh, Muhammad Firdaus Romli, Hamidah Mohd Yusof, Ye Wen Kristeen-Teo, Shaiful Adzni Sharifuddin, Kamariah Long, Noorjahan Banu Alitheen
BACKGROUND: Vinegar is widely used as a food additive, in food preparation and as a food supplement. This study compared the phenolic acid profiles and in vivo toxicities, and antioxidant and immunomodulatory effects of coconut, nipah and pineapple juice vinegars, which were respectively prepared via a two-step fermentation using Saccharomyces cerevisiae 7013 INRA and Acetobacter aceti vat Europeans. RESULTS: Pineapple juice vinegar, which had the highest total phenolic acid content, also exhibited the greatest in vitro antioxidant capacity compared to coconut juice and nipah juice vinegars...
June 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28627266/anti-inflammatory-effect-of-a-powder-formulation-of-coconut-inflorescence-sap-against-ox-ldl-induced-inflammatory-responses-in-human-peripheral-blood-mononuclear-cells-by-modulating-tlr-nf-%C3%B2-b-signaling-pathway
#7
Ratheesh M, Svenia P Jose, Asha S, Sandya S, Girish Kumar B, Krishnakumar Im
An inflammatory response induced by oxidized low density lipoprotein (ox-LDL) was reported to play an important role in the pathogenesis of atherosclerosis. The purpose of this study was to explore the anti-inflammatory effect of a novel powder formulation of coconut inflorescence sap (CSP) against ox-LDL induced inflammatory responses in human peripheral blood mononuclear cells (hPBMCs). The hPBMCs were isolated from healthy human volunteers and cultured in collagen coated plates at 37°C. The cells were grouped as Group I (Control), Group II (ox-LDL treated) and Group III (ox-LDL+CSP treated)...
June 19, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28626130/examination-of-a-new-desorption-method-for-solid-adsorption-method-of-working-environment-measurement-%C3%AF-attempt-to-improve-desorption-efficiency-of-organic-solvents-from-a-coconut-shell-activated-carbon-using-surfactant-solutions%C3%AF
#8
Mitsuo Hinoue, Hajime Hori
For a new desorption method development for working environment measurement, desorption efficiency of organic solvent vapors from an activated carbon was examined using desorption solutions that consisted of anionic and nonionic surfactants. Ten μl of an aqueous solution of isopropyl alcohol or methyl ethyl ketone diluted with distilled water was spiked into a 10 ml vial with a coconut-shell-activated carbon (100 mg). The vial was left for 24 h, and 5 ml a desorption solution was added. Afterwards, the vial was put into an incubator at 60°C and left for 24 h, then the desorption efficiency was determined by analyzing the headspace gas in the vial with a gas chromatograph equipped with flame ionization detector...
2017: Journal of UOEH
https://www.readbyqxmd.com/read/28623504/biosorption-of-chromium-vi-from-aqueous-solutions-and-ann-modelling
#9
Soma Nag, Abhijit Mondal, Nirjhar Bar, Sudip Kumar Das
The use of sustainable, green and biodegradable natural wastes for Cr(VI) detoxification from the contaminated wastewater is considered as a challenging issue. The present research is aimed to assess the effectiveness of seven different natural biomaterials, such as jackfruit leaf, mango leaf, onion peel, garlic peel, bamboo leaf, acid treated rubber leaf and coconut shell powder, for Cr(VI) eradication from aqueous solution by biosorption process. Characterizations were conducted using SEM, BET and FTIR spectroscopy...
June 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28621759/a-high-fructose-high-coconut-oil-diet-induces-dysregulating-expressions-of-hippocampal-leptin-and-stearoyl-coa-desaturase-and-spatial-memory-deficits-in-rats
#10
Ching-I Lin, Chu-Fu Shen, Tsui-Han Hsu, Shyh-Hsiang Lin
We investigated the effects of high-fructose-high-fat diets with different fat compositions on metabolic parameters, hippocampal-dependent cognitive function, and brain leptin (as well as stearoyl-CoA desaturase (SCD1) mRNA expressions). Thirty-two male Wistar rats were divided into 3 groups, a control group (n = 8), a high-fructose soybean oil group (37.5% of fat calories, n = 12), and a high-fructose coconut oil group (37.5% of fat calories, n = 12) for 20 weeks. By the end of the study, the coconut oil group exhibited significantly higher serum fasting glucose, fructosamine, insulin, leptin, and triglyceride levels compared to those of the control and soybean oil groups...
June 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28617858/effect-of-three-edible-oils-on-the-intestinal-absorption-of-caffeic-acid-an-in-vivo-and-in-vitro-study
#11
W Chaturi Prasadani, Chaturi M Senanayake, Nimanthi Jayathilaka, Sagarika Ekanayake, Kapila N Seneviratne
Polyphenolic antioxidants are mainly absorbed through passive paracellular permeation regulated by tight junctions. Some fatty acids are known to modulate tight junctions. Fatty acids resulting from the digestion of edible oils may improve the absorption of polyphenolic antioxidants. Therefore, we explored the effect of three edible oils on the intestinal absorption of caffeic acid. Rats were fed with soybean oil and caffeic acid dissolved in distilled water. Caffeic acid contents in the plasma collected up to 1 hr were quantified...
2017: PloS One
https://www.readbyqxmd.com/read/28610222/-i-anagrus-i-i-nedotepae-i-sp-n-hymenoptera-mymaridae-an-egg-parasitoid-of-i-nedotepa-curta-i-hemiptera-cicadellidae-a-pest-of-coconut-palm-in-west-africa
#12
Serguei V Triapitsyn, K Eric Kwadjo, Yaima Arocha Rosete
A new Afrotropical species of Anagrus Haliday (Hymenoptera: Mymaridae), A. nedotepae Triapitsyn sp. n., is described and illustrated. The type series was reared from parasitized eggs of the leafhopper Nedotepa curta Dmitriev (Hemiptera: Cicadellidae) during a survey for its natural enemies in Côte d'Ivoire. This peculiar leafhopper, recently described from Ghana (Dmitriev 2016), lays its eggs on leaflets of coconut palm, and could be an economically important pest of this crop in West Africa, particularly because it is a suspected vector of the phytoplasma associated with the Côte d'Ivoire Lethal Yellowing disease of coconut, as characterized by Arocha-Rosete et al...
June 9, 2017: Zootaxa
https://www.readbyqxmd.com/read/28605322/antioxidant-and-cholesterol-esterase-inhibitory-properties-of-supplementation-with-coconut-water-in-submerged-cultivation-of-the-medicinal-chinese-caterpillar-mushroom-ophiocordyceps-sinensis-cs1197-ascomycetes
#13
G M Shashidhar, S Sravan Kumar, P Giridhar, B Manohar
We investigated the potential use of coconut water to supplement potato dextrose broth (PDB) in the production of Ophiocordyceps sinensis CS1197 by submerged cultivation. The basal PDB medium was modified by supplementation with tender coconut water (TCW) and mature coconut water (MCW) at 10% and 5% (v/v), respectively; these mixtures were cultured at 28°C for 14 days, with a pH of 7 and an inoculum volume of 10%. The addition of optimized levels of TCW and MCW improved the biomass yield by 2.2- and 2.5-fold, respectively, and adenosine, cordycepin, and polysaccharide content by 58% and 69%, 50% and 55%, and 19% and 27%, respectively...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28597254/changes-in-structure-and-function-of-bacterial-communities-during-coconut-leaf-vermicomposting
#14
Murali Gopal, Shrikant S Bhute, Alka Gupta, S R Prabhu, George V Thomas, William B Whitman, Kamlesh Jangid
To understand bacterial community dynamics during the vermicomposting of lignin-rich coconut leaves using an indigenous isolate of an epigeic earthworm, Eudrilus sp., we employed amplicon-based pyrosequencing of the V1 to V3 region of the 16S rRNA genes. Total community DNA was isolated from two separate vermicomposting tanks in triplicate at four different stages of the process: pre-decomposition (15th day), initial vermicomposting (45th day), 50-70% vermicomposting (75th day) and mature vermicompost (105th day)...
June 9, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28589949/they-say-coconut-oil-can-aid-weight-loss-but-can-it-really
#15
M E Clegg
There has in recent years, been much media speculation and consumer interest in the beneficial satiating properties of consuming coconut oil and its potential to aid weight loss. However, the media has primarily cited studies using medium-chain triglycerides (MCT) oil. The current perspective looks at the research that is available on coconut oil. It examines if and how MCT-related research can be applied to coconut oil and if there is potential for coconut oil to aid weight loss. The current report indicates a lack of consistent evidence on the topic of coconut oil, satiety and weight loss...
June 7, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28588115/hydroxystilbenes-are-monomers-in-palm-fruit-endocarp-lignins
#16
José Carlos Del Río, Jorge Rencoret, Ana Gutiérrez, Hoon Kim, John Ralph
Lignin, the plant cell wall polymer that binds fibers together but makes processing difficult, is traditionally formed from three monomers, the so-called monolignols (p-coumaryl, coniferyl, and sinapyl alcohols). Recently we discovered, in grass lignins, a phenolic monomer that falls outside the canonical lignin biosynthetic pathway, the flavone tricin. As we show here, palm fruit (macaúba, carnauba, and coconut) endocarps contain lignin polymers derived in part from a previously unconsidered class of lignin monomers, the hydroxystilbenes, including the valuable compounds piceatannol and resveratrol...
June 6, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28584273/antennal-and-abdominal-transcriptomes-reveal-chemosensory-gene-families-in-the-coconut-hispine-beetle-brontispa-longissima
#17
Shu-Ying Bin, Meng-Qiu Qu, Ke-Ming Li, Zheng-Qiang Peng, Zhong-Zhen Wu, Jin-Tian Lin
Antennal and abdominal transcriptomes of males and females of the coconut hispine beetle Brontispa longissima were sequenced to identify and compare the expression patterns of genes involved in odorant reception and detection. Representative proteins from the chemosensory gene families likely essential for insect olfaction were identified. These include 48 odorant receptors (ORs), 19 ionotropic receptors (IRs), 4 sensory neuron membrane proteins (SNMPs), 34 odorant binding proteins (OBPs) and 16 chemosensory proteins (CSPs)...
June 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28577454/evaluation-of-waste-biomasses-and-their-biochars-for-removal-of-polycyclic-aromatic-hydrocarbons
#18
J H F de Jesus, G da C Cunha, E M C Cardoso, A S Mangrich, L P C Romão
This work evaluates the use of biomasses and their biochars as adsorbents to remove polycyclic aromatic hydrocarbons from water. Coconut waste (CW) and orange waste (OW) were pyrolyzed at 350 °C to produce the corresponding biochars (BCW and BOW). Adsorption tests using a mixed solution of benzo(a)anthracene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, and dibenzo(a,h)anthracene showed removal percentages of 30.33-83.43% (CW), 47.09-83.02% (BCW), 24.20-74.25% (OW), and 23.84-84.02% (BOW). The adsorption mechanisms appeared to involve π-π interactions of similar groups of the adsorbate and adsorbent, together with hydrophobic effects...
May 31, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28573856/characterization-of-aroma-active-compounds-in-italian-tomatoes-with-emphasis-on-new-odorants
#19
Johanna Kreissl, Peter Schieberle
An aroma distillate was prepared by solvent extraction and subsequent SAFE distillation from Italian vine-ripe tomatoes eliciting an intense overall aroma. Application of gc/olfactometry and the aroma extract dilution analysis revealed 44 odor-active compounds, 42 of which could be identified. The highest odor activity value of 2048 was established for the green, grassy (Z)-3-hexenal, the metallic smelling trans-4,5-epoxy-(E)-2-decenal, the potato-like 3-(methylthio)propanal, and the caramel-like 4-hydroxy-2,5-dimethyl-3(2H)-furanone...
June 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28564614/enhanced-barrier-functions-and-anti-inflammatory-effect-of-cultured-coconut-extract-on-human-skin
#20
Soomin Kim, Ji Eun Jang, Jihee Kim, Young In Lee, Dong Won Lee, Seung Yong Song, Ju Hee Lee
Natural plant oils have been used as a translational alternative to modern medicine. Particularly, virgin coconut oil (VCO) has gained popularity because of its potential benefits in pharmaceutical, nutritional, and cosmetic applications. Cultured coconut extract (CCE) is an alternative end product of VCO, which undergoes a further bacterial fermentation process. This study aimed to investigate the effects of CCE on human skin. We analyzed the expression of skin barrier molecules and collagens after applying CCE on human explanted skin...
May 28, 2017: Food and Chemical Toxicology
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