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1. Assessment of cadmium and lead in commercial coconut water and industrialized coconut milk employing HR-CS GF AAS

Author:
Paixão, Luciane B.; Brandão, Geovani C.; Araujo, Rennan Geovanny O.; Korn, Maria Graças A.
Source:
Food chemistry 2019 v.284 pp. 259-263
ISSN:
0308-8146
Subject:
coconut milk; coconut water,   etc   ; atomic absorption spectrometry; cadmium; industrialization; lead; monitoring; Brazil;     Show all 8 Subjects
Abstract:
... In this work, an analytical method for the determination of Cd and Pb in natural coconut water samples, industrialized coconut water samples and coconut milk using high-resolution continuum source graphite furnace atomic absorption spectrometry (HR-CS GF AAS), after minimum treatment of the sample was developed. The analytical method was applied to 46 samples collected in Salvador, Bahia (Brazil). ...
DOI:
10.1016/j.foodchem.2018.12.116

2. Rapid quantification of the adulteration of fresh coconut water by dilution and sugars using Raman spectroscopy and chemometrics

Author:
Richardson, Paul I.C.; Muhamadali, Howbeer; Ellis, David I.; Goodacre, Royston
Source:
Food chemistry 2019 v.272 pp. 157-164
ISSN:
0308-8146
Subject:
coconut water; coconuts,   etc   ; Raman spectroscopy; adulterated products; chemometrics; high fructose corn syrup; pasteurization; sugars;     Show all 8 Subjects
Abstract:
... Here, for the first time, we developed Raman spectroscopy in combination with chemometrics for the quantification of adulteration of fresh coconut water by dilution, and its masking with sugars. Coconut water was extracted from young Costa Rican coconuts and heat treated to emulate pasteurization. Samples were then adulterated by dilution with water and single sugars, mixtures of sugars, and high- ...
DOI:
10.1016/j.foodchem.2018.08.038

3. Removal of Cd(II) ions by oxidized coconut coir

Author:
Gondhalekar, Sachin C; Singh, Saurabhkumar A; Shukla, Sanjeev R
Source:
Journal of natural fibers 2019 v.16 no.1 pp. 37-48
ISSN:
1544-046X
Subject:
coconuts,   etc   ; adsorption; biosorption; cadmium; cellulose; coir; ions; lignin; oxidation; pH;     Show all 10 Subjects
Abstract:
... Biosorption potential of oxidized coconut coir (OCC) for removal of Cd(II) from aqueous medium at batch and column level was studied. Lignin and cellulose groups of coir were modified to acidic groups. Optimum biosorption was observed at pH 6. Isotherm data revealed that Langmuir gives best fit for experimental results with maximum adsorption capacity of 12.35 mg/g compared to unmodified coconut c ...
DOI:
10.1080/15440478.2017.1401503

4. Heating and megasonic interventions for improvement of aqueous-based oil extraction from fresh and cold stored coconut meat

Author:
Li, Xianglan; Martínez-Padilla, Laura Patricia; Xu, Xin-Qing; Zisu, Bogdan; Juliano, Pablo
Source:
Journal of food engineering 2018 v.222 pp. 93-99
ISSN:
0260-8774
Subject:
coconut oil; coconut water; coconuts,   etc   ; cold storage; economics; heat; meat; sonication; temperature;     Show all 9 Subjects
Abstract:
... The efficiency of oil recovery is essential for the economics of the coconut oil extraction process. This study evaluated the application of increased heat and/or megasonic steps for enhancing aqueous-based oil separation from coconut meat. Combinations of heating temperature (60 or 70 °C) and time (30 or 50 min) were studied in freshly prepared, or in 20 and 44 h cold stored (5 °C) coconut-water ...
DOI:
10.1016/j.jfoodeng.2017.11.010

5. Structural and interfacial characteristics of oil bodies in coconuts (Cocos nucifera L.)

Author:
Dave, Anant C.; Ye, Aiqian; Singh, Harjinder
Source:
Food chemistry 2019 v.276 pp. 129-139
ISSN:
0308-8146
Subject:
coconut oil; coconuts,   etc   ; Cocos nucifera; confocal laser scanning microscopy; electron microscopy; electrophoresis; endosperm; fruits; glycolipids; lipid bodies; phospholipids; plant tissues; polyacrylamide; proteins; protocols; sodium dodecyl sulfate; ultrastructure;     Show all 17 Subjects
Abstract:
... This study investigated the structural characteristics of oil bodies from mature coconut (Cocos nucifera L.) fruit. The ultrastructure and the distribution of oil bodies in coconut endosperm were investigated using cryo-scanning electron microscopy. The interfacial characteristics of the oil bodies in suspensions isolated using two different protocols were studied using confocal laser scanning mic ...
DOI:
10.1016/j.foodchem.2018.09.125

6. Optimization of the production of structured lipid by enzymatic interesterification from coconut (Cocos nucifera) oil and sesame (Sesamum indicum) oil using Response Surface Methodology

Author:
Sivakanthan, Subajiny; Jayasooriya, Anura Prasantha; Madhujith, Terrence
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019 v.101 pp. 723-730
ISSN:
0023-6438
Subject:
coconut oil; coconuts,   etc   ; Cocos nucifera; Rhizomucor miehei; Sesamum indicum; carboxylic ester hydrolases; enzymatic interesterification; models; physicochemical properties; polyunsaturated fatty acids; response surface methodology; sesame oil; temperature; triacylglycerols;     Show all 14 Subjects
Abstract:
... Blends of coconut (Cocos nucifera) oil and sesame (Sesamum indicum) oil were enzymatically interesterified using aqueous lipase derived from Rhizomucor miehei and the reaction conditions, namely, temperature (45–65 °C), time (16–48 h) and mass ratio of oils (CO:SO; 70:30–50:50) were optimized using Response Surface Methodology (three-factor, three-level central composite design). Degree of interes ...
DOI:
10.1016/j.lwt.2018.11.085

7. Coconut milk beverage fermented by Lactobacillus reuteri: optimization process and stability during refrigerated storage

Author:
Mauro, Carolina Saori Ishii; Garcia, Sandra
Source:
Journal of food science and technology 2019 v.56 no.2 pp. 854-864
ISSN:
0022-1155
Subject:
coconut milk; coconuts,   etc   ; Lactobacillus reuteri; acidification; beverages; cell viability; chemical analysis; cold storage; fermentation; high performance liquid chromatography; organic acids and salts; pH; pulp; storage temperature; sucrose;     Show all 15 Subjects
Abstract:
... This study aimed to establish the optimal conditions of temperature (31–43 °C) and coconut pulp concentration in water 1:3–1:9 (w/v) for the growth of Lactobacillus reuteri LR 92 or DSM 17938 in coconut milk beverage, using a central composite face centered design. The optimized conditions were used for analysis of the viability during the fermentation process, pH, production of sugars and organic ...
DOI:
10.1007/s13197-018-3545-8

8. Coconut oil-cellulose beaded microfibers by coaxial electrospinning: An eco-model system to study thermoregulation of confined phase change materials

Author:
Udangawa, W. M. Ranodhi N.; Willard, Charles F.; Mancinelli, Chiara; Chapman, Caitlyn; Linhardt, Robert J.; Simmons, Trevor John
Source:
Cellulose 2019 v.26 no.3 pp. 1855-1868
ISSN:
0969-0239
Subject:
coconut oil; coconuts,   etc   ; biomass; cellulose; differential scanning calorimetry; humans; melting; micropores; models; scanning electron microscopy; specific heat; temperature; thermogravimetry; thermoregulation; transmission electron microscopy;     Show all 15 Subjects
Abstract:
... Coconut oil was used to produce biomass microfibers with a coconut oil core and a cellulose shell by a co-axial electrospinning technique. This novel material was developed as a model system to determine the effect of confining a phase changing material within an axial micropore of a coaxial fiber. The morphology of these composite fibers was determined by scanning electron microscopy and transmis ...
DOI:
10.1007/s10570-018-2151-2

9. The potential impact of unsaturation degree of the biodiesels obtained from beverage and food processing biomass streams on the performance, combustion and emission characteristics in a single-cylinder CI engine

Author:
Chelladorai, Prabhu; Varuvel, Edwin Geo; Martin, Leenus Jesu; Nagalingam, Bedhannan
Source:
Environmental science and pollution research international 2019 v.26 no.5 pp. 5008-5019
ISSN:
0944-1344
Subject:
coconut oil; coconuts,   etc   ; beverages; biodiesel; biomass; combustion; emissions; fatty acid composition; food processing; grapeseed oil; heat; nitric oxide; reaction kinetics; smoke; wheat germ; wheat germ oil;     Show all 16 Subjects
Abstract:
... The purpose of this study is to experimentally investigate the effect of unsaturation of the biodiesels obtained from grapeseed oil, wheat germ oil and coconut oil (reference fuel) for compression ignition (CI) engine application. Fatty acid profile analysis and physio-chemical properties were determined by standard test procedures. Engine testing was carried out in a 5.2-kW single-cylinder CI eng ...
DOI:
10.1007/s11356-018-3793-1

10. Characterization of three different types of extracellular vesicles and their impact on bacterial growth

Author:
Yu, Siran; Zhao, Zhehao; Xu, Xiaoyan; Li, Min; Li, Ping
Source:
Food chemistry 2019 v.272 pp. 372-378
ISSN:
0308-8146
Subject:
coconut water; coconuts,   etc   ; Escherichia coli K12; Lactobacillus plantarum; bacteria; body fluids; exosomes; fluorescence microscopy; gene expression; mammals; microRNA; microbial growth; nanoparticles; particle size distribution; protein content; stem cells;     Show all 16 Subjects
Abstract:
... Recently body fluids have been found to contain a class of nanoparticles released from cells, referred to as extracellular vesicles; exosomes are a type of small-diameter extracellular vesicle. We selected three types of sample: milk-derived exosomes, adipose-derived stem cell exosomes, and nanoparticles extracted from coconut water, to investigate their morphology, particle size distribution, pro ...
DOI:
10.1016/j.foodchem.2018.08.059

11. Impact of two-stage injection fuel quantity on engine-out responses of a common-rail diesel engine fueled with coconut oil methyl esters-diesel fuel blends

Author:
How, H.G.; Teoh, Y.H.; Masjuki, H.H.; Nguyen, H.-T.; Kalam, M.A.; Chuah, H.G.; Alabdulkarem, A.
Source:
Renewable energy 2019 v.139 pp. 515-529
ISSN:
0960-1481
Subject:
coconut oil,   etc   ; biodiesel; diesel engines; emissions; fossil fuels; nitrogen oxides; smoke; torque;     Show all 8 Subjects
Abstract:
... Two-stage injection with different biodiesel percentage is investigated where first and second injections were implemented with different SOI timings at various mass ratio under constant speed of 2000 rpm and 60 Nm of torque. The results reveal that maximum BTE of 32.4% and minimum BSFC of 245.5 g/kWh can be achieved simultaneously with injection mass ratio of 50:50 at advanced SOI timing using ba ...
DOI:
10.1016/j.renene.2019.02.112

12. Automated online coupling of robot-assisted single drop microextraction and liquid chromatography

Author:
Medina, Deyber Arley Vargas; Rodríguez Cabal, Luis Felipe; Titato, Guilherme Miola; Lanças, Fernando Mauro; Santos-Neto, Álvaro José
Source:
Journal of chromatography 2019 v.1595 pp. 66-72
ISSN:
0021-9673
Subject:
coconut water,   etc   ; atrazine; detection limit; exposure duration; liquid chromatography; mass spectrometry; microextraction; mixing; pH; propazine; simazine;     Show all 11 Subjects
Abstract:
... A high-throughput and innovative setup has been developed to automate the online integration of single drop microextraction (SDME), liquid chromatography (LC) and high-resolution mass spectrometry (QqToF). SDME and LC were online hyphenated for the first time. SDME was carried out by a lab-made cartesian robot actuating a 100 μL syringe, equipped with a three-way solenoid microvalve that allowed t ...
DOI:
10.1016/j.chroma.2019.02.036

13. Physical properties of films based on pectin and babassu coconut mesocarp

Author:
Da Silva, D.C.; Lopes, I.A.; Da Silva, L.J.S.; Lima, M.F.; Barros Filho, A.K.D.; Villa-Vélez, H.A.; Santana, A.A.
Source:
International journal of biological macromolecules 2019 v.130 pp. 419-428
ISSN:
0141-8130
Subject:
coconuts,   etc   ; Citrus; glycerol; mechanical properties; mesocarp; pectins; permeability; solubility; sorption; water vapor;     Show all 10 Subjects
Abstract:
... The objective of this research was to study the physical properties, water sorption, thermal and structure of films made from citrus pectin (CP), babassu coconut mesocarp (BCM) and glycerol (G). Seventeen formulations were prepared according to a central compound rotational design combining different proportions of the materials and evaluating the films produced according to their moisture content ...
DOI:
10.1016/j.ijbiomac.2019.02.151

14. Effect of particle size and temperature on gasification performance of coconut and palm kernel shells in downdraft fixed-bed reactor

Author:
Yahaya, Ahmad Zubair; Somalu, Mahendra Rao; Muchtar, Andanastuti; Sulaiman, Shaharin Anwar; Wan Daud, Wan Ramli
Source:
Energy 2019 v.175 pp. 931-940
ISSN:
0360-5442
Subject:
coconuts,   etc   ; biomass; carbon; carbon dioxide; gasification; hydrogen; methane; particle size; response surface methodology; synthesis gas; temperature;     Show all 11 Subjects
Abstract:
... Gasification of coconut shell (CS) and palm kernel shell (PKS) is conducted in a batch type downdraft fixed-bed reactor to evaluate the effect of particle size (1–3 mm, 4–7 mm, and 8–11 mm) and temperature (700, 800, and 900 °C) on gas composition and gasification performance. The response surface methodology integrated variance-optimal design is used to identify the optimum condition for gasifica ...
DOI:
10.1016/j.energy.2019.03.138

15. Removal of Cu(II) using three low-cost adsorbents and prediction of adsorption using artificial neural networks

Author:
Pavan Kumar, G. V. S. R.; Malla, Komal Avinash; Yerra, Bharath; Srinivasa Rao, K.
Source:
Applied water science 2019 v.9 no.3 pp. 44
ISSN:
2190-5487
Subject:
coconuts,   etc   ; adsorbents; adsorption; algorithms; copper; neural networks; pH; peanuts; powders; prediction; sesame cake; sorption isotherms; temperature;     Show all 13 Subjects
Abstract:
... Adsorption of copper using groundnut seed cake power, sesame seed cake powder and coconut cake powders as bioadsorbents was optimized at a pH of 5, temperature of 40 °C, initial metal concentration of 10 mg/L, contact time of 30 min and adsorbent dosage 0.75 g for groundnut seed cake powder and 1.0 g of sesame seed cake powder and coconut cake powder. From the results of kinetic studies, it was co ...
DOI:
10.1007/s13201-019-0924-x

16. Kinetics of inactivation of peroxidase and polyphenol oxidase in tender coconut water by dielectric barrier discharge plasma

Author:
Chutia, Hemanta; Kalita, Dipankar; Mahanta, Charu Lata; Ojah, Namita; Choudhury, Arup Jyoti
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019 v.101 pp. 625-629
ISSN:
0023-6438
Subject:
coconut water,   etc   ; air; catechol oxidase; cold; electric potential difference; fruits; models; peroxidase; polyphenols; spoilage;     Show all 10 Subjects
Abstract:
... The spoilage enzymes in tender coconut water were inactivated by atmospheric cold plasma technology. The kinetics of peroxidase (POD) and polyphenol oxidase (PPO) inactivation was studied at voltage levels varying between 18 and 28 kV dielectric barrier discharge plasma treatments (DBD) at atmospheric air. The time of treatment and applied voltage were significant factors for inactivation of the e ...
DOI:
10.1016/j.lwt.2018.11.071

17. Effect of sucrose ester and carboxymethyl cellulose on physical properties of coconut milk

Author:
Thanatrungrueang, Narisara; Harnsilawat, Thepkunya
Source:
Journal of food science and technology 2019 v.56 no.2 pp. 607-613
ISSN:
0022-1155
Subject:
coconut milk,   etc   ; carboxymethylcellulose; creaming; dairy products; droplet size; models; response surface methodology; viscosity;     Show all 8 Subjects
Abstract:
... The influence of sucrose ester (SE) and carboxymethyl cellulose (CMC) on the physical properties of coconut milk was determined using response surface methodology based on central composite design. The R² of all response variables was more than 0.80 which indicated a high proportion of variability was explained by the model and showed that increasing the amount of SE decreased the droplet size of ...
DOI:
10.1007/s13197-018-3515-1

18. Occurrence in Brazil of Haplaxius crudus (Hemiptera: Cixiidae), Vector of Coconut Lethal Yellowing

Author:
Silva, F G; Passos, E M; Diniz, L E C; Teodoro, A V; Talamini, V; Fernandes, M F; Dollet, M
Source:
Neotropical entomology 2019 v.48 no.1 pp. 171-174
ISSN:
1519-566X
Subject:
coconuts,   etc   ; Cixiidae; Phytoplasma; hybrids; industry; leaves; lethal yellowing; phloem; plantations; risk; traps; Brazil;     Show all 12 Subjects
Abstract:
... The lethal yellowing (LY) is a major phytoplasma causing disease seriously threatening coconut plantations worldwide, with imminent risk of entering Brazil. The LY phytoplasma is restricted to the phloem and transmitted by the planthopper Haplaxius crudus (Van Duzee) (Cixiidae). In this study, Auchenorrhyncha were collected on the leaves of Dwarf vs. Dwarf hybrids and Brazilian Green Dwarf Jiqui i ...
DOI:
10.1007/s13744-018-0663-y

19. Effects of suboptimal growth conditions on the subsequent UV-C resistance of Listeria monocytogenes in coconut liquid endosperm and apple juice

Author:
Gabriel, Alonzo A.; Ancog, Ma. Mikhaila L.
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019 v.99 pp. 460-467
ISSN:
0023-6438
Subject:
coconuts,   etc   ; Listeria monocytogenes; acidification; apple juice; beverages; endosperm; energy; fruits; heat; microbial physiology; pH; ultraviolet radiation;     Show all 12 Subjects
Abstract:
... This study determined the ultraviolet-C (UVC) resistance of Listeria monocytogenes in coconut liquid endosperm and apple juice after previous exposures to suboptimal growth conditions. L. monocytogenes 1/2c and 4b strains were individually exposed to gradual acidification (final pH 4.5), desiccation (aw 0.96), heating (40 °C), and all their simultaneous combinations. Results showed that regardless ...
DOI:
10.1016/j.lwt.2018.10.015

20. Homogeneous solid dispersion (HSD) system for rapid and stable production of succinic acid from lignocellulosic hydrolysate

Author:
Luthfi, Abdullah Amru Indera; Tan, Jian Ping; Harun, Shuhaida; Manaf, Shareena Fairuz Abdul; Jahim, Jamaliah Md
Source:
Bioprocess and biosystems engineering 2019 v.42 no.1 pp. 117-130
ISSN:
1615-7591
Subject:
coconuts,   etc   ; Elaeis guineensis; carbon; economies of scale; enzymes; fronds; glucose; hydrolysates; lignocellulose; succinic acid;     Show all 10 Subjects
Abstract:
... Continuous bio-production of succinic acid was reported in homogeneous solid dispersion (HSD) system utilizing porous coconut shell activated carbon (CSAC) as immobilization carrier. The aim of the present work was to implement the HSD system to increase the area of cell immobilization and the rate of succinic-acid production from the lignocellulosic medium. The ratio of the two enzymes (cellulase ...
DOI:
10.1007/s00449-018-2019-8