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Maxat Toishimanov, Meruyet Nurgaliyeva, Assiya Serikbayeva, Zhulduz Suleimenova, Karima Myrzabek, Aksholpan Shokan and Nurgul Myrzabayeva
Here, we present the results of analyzing the fatty acid composition of the main edible vegetable oils from Kazakhstani oilseed producers (safflower, sunflower, maize (corn), linseed, cottonseed, soybean and rapeseed) in comparison with the known fatty a...
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Dicho Stratiev, Ivelina Shishkova, Mihail Ivanov, Rosen Dinkov, Georgi Argirov, Svetlin Vasilev and Dobromir Yordanov
A gas chromatography high temperature simulation distillation (HTSD: ASTM D 7169), and physical vacuum distillation (ASTM D 1160) were employed to characterize H-Oil vacuum distillates, straight run vacuum distillates, and hydrotreated vacuum distillates...
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George Ntourtoglou, Fotini Drosou, Theodoros Chatzimitakos, Vassilis Athanasiadis, Eleni Bozinou, Vassilis G. Dourtoglou, Abeer Elhakem, Rokayya Sami, Amal Adnan Ashour, Alaa Shafie and Stavros I. Lalas
Increasing the yield of extraction of bioactive compounds from plants is of high importance. Grape stems are widely discarded during the wine-making process, despite their high content in many valuable compounds. The aim of this work was to examine wheth...
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Faith Nyamakwere, Giulia Esposito, Kennedy Dzama, Pieter Gouws, Teresa Rapisarda, Giovanni Belvedere, Felicia Masucci and Emiliano Raffrenato
Small-scale cheese producers can effectively use the irradiation treatment for eliminating food-borne pathogens.
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Xi Wang, Minfei Wang, Yue Han and Hanyu Chen
A study on unregulated emissions of a conventional diesel self-ignition and partial premixed compression ignition (PPCI) marine engine at full load condition was performed, respectively. In this work, PPCI was realized in a marine engine by blending 15% ...
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Vladimir Dobrokhotov and Alexander Larin
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Attila G. Kovács, Attila Szöllosi, Dániel Szöllosi, Ilona A. Panyik, László Nagygyörgy, Ágoston Hoschke, Quang D. Nguyen
Pág. 175 - 181
The quality of fruit based spirits varies year to year; therefore, the identification of the vintage of a distilled alcoholic beverage is necessary, but requires highly sensitive analytics. The interpretation of the gathered data requires a well-adapted ...
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Bartolomeo Sebastiani and Stefano Falcinelli
Analytical data concerning the contamination on three officinal plants due to Persistent Organic Pollutants (POPs), as organochlorine pesticides, are reported and discussed. Analyzed vegetation??Graviola? (Annona muricata), ?Mullaca? (Physalis ...
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Keyller Bastos Borges, Ellen Figueiredo Freire
Pág. 531 - 535
The indiscriminate use of organophosphorous pesticides (OPPs) in crops may leave residues in food and may cause poisoning in the applicators. A method was developed for the determination of five OPPs in bean samples by Gas Chromatography-Flame Photometri...
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Neila de Paula Pereira, Ian Murilo Ribeiro Blanco, Ygor Jessé Ramos, Janice Izabel Druzian, Emily Karly Conceição, Maria Lenise Silva Guedes
Pág. 573 - 579
In Brazil there is a semi-arid region of the Bahia State where the transition between caatinga and cerrado prevails. The Bombacopsis retusa (Mart. & Zucc.) A. Robyns belongs to Bombacaceae family, and is frequent in this region. Fruit of Bombacopsis retu...
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Maria Isabel Ribeiro Alves, Nelson Roberto Antoniosi Filho
Pág. 391 - 397
The development and validation of a simultaneous liquid-liquid extraction method for organochlorine pesticides and trihalomethanes in surface and drinking water by HRGC-ECD is described. The method presents acceptable recovery, with detection ranging fro...
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N. RAJPUT,A. LAKHANI
Sixteen polycyclic aromatic hydrocarbons (PAH) were measured in total suspended particulate matter (TSPM) samples collected at an urban and industrial cum residential site in Agra (India) from December 2005 to December 2006. The average total PAH concent...
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Fabiano Rosa Silva, Alberto Wisniewski Junior, Valdir Cechinel Filho, Domingos Sávio Nunes
Pág. 325 - 329
The essential oil from the bark of Croton cajucara Bentham, popularly known as sacaca or cajuçara, was obtained by hydrodistillation, yielding 1.28% of the former bark mass, and analyzed by gas chromatography (GC) and gas chromatography coupled to mass s...
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Konstantina Kassoumi, Dimitrios Sevastos and Athanasia Koliadima
Reversed-flow gas chromatography (R.F.G.C.) was employed to assess the impact of genetic modification on Saccharomyces cerevisiae yeast strains during the process of alcoholic fermentation, utilizing fig syrup. Multiple fermentations were carried out at ...
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Aleksandra Bojke, Malgorzata Littwin, Agata Szpiech, Ewelina Duljas, Pawel Jasinski, Izabela Wittstock, Olga Jazdzewska and Katarzyna Galer-Tatarowicz
This paper presents a procedure for the determination of bisphenol A (BPA) in seawater. Gas chromatography coupled with mass spectrometry (GC-MS) was used as the analytical method, preceded by analyte isolation via solid-phase extraction (SPE). Initially...
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Bartosz Piechowicz, Aleksandra Kwiatek, Stanislaw Sadlo, Lech Zareba, Anna Koziorowska, Daniela Kloc and Maciej Balawejder
Paenibacillus larvae is a deadly pathogen for bee brood, which can lead to the death of entire colonies. The presence of specific volatile organic compounds (VOCs) in the hive may be related to the occurrence of this bacterium in brood. Compositions of t...
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Yujie Xie, Xingqiang Wu, Yanling Song, Yini Sun, Kaixuan Tong, Xiaoxuan Yu, Chunlin Fan and Hui Chen
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Shanguang Zhao, Aiping Chi, Bingjun Wan and Jian Liang
Studies have found that the prevalence of chronic fatigue syndrome (CFS) in adolescents has continued to increase over the years, affecting learning and physical health. High school is a critical stage for adolescents to grow and mature. There are inadeq...
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Benjamín A. Ayil-Gutiérrez, Karla Cecilia Amaya-Guardia, Arturo A. Alvarado-Segura, Glendy Polanco-Hernández, Miguel Angel Uc-Chuc, Karla Y. Acosta-Viana, Eugenia Guzmán-Marín, Blancka Yesenia Samaniego-Gámez, Wilberth Alfredo Poot-Poot, Gabriel Lizama-Uc and Hernán de Jesús Villanueva-Alonzo
Fruits of species of the genus Bromelia contain compounds with health benefits and potential biotechnological applications. For example, Bromelia karatas fruits contain antioxidants and proteins with bactericidal activity, but studies regarding the activ...
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Anna Somogyi, Judit Mátyási, Zsófia Gór-Nagy, Farkas Sarnyai, Miklós Csala, Blanka Tóth
Pág. 149 - 157
Putative health effects of dietary trans fatty acids (TFAs) receive a growing attention; while very little is known about the metabolism of these special food components. In vitro studies carried out in cultured cells provide an efficient and standardiza...
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