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Food Industries

Sonia Machraoui, M P Mohan, Karunakara Naregundi, Salam Labidi
The activity concentration of natural and anthropogenic radionuclides was determined in different vegetable samples, and foods derived from animal origin, from different locations in the four cities of Southern Tunisia, where large-scale phosphate industries are operating. The aim of the studies was to establish a baseline database on radionuclide concentration in food materials and to evaluate the radiation dose to the general population due to its ingestion through the food chain. The activity concentration of 40K, 210Pb, 226Ra, 228Ra and 137Cs was determined by gamma spectrometry using a HPGe detector, and from the measured activity concentration, the doses were estimated using the dose coefficients given by the ICRP...
December 4, 2018: Radiation Protection Dosimetry
Carolina Palomino-Camargo, Yuniesky González-Muñoz, Elevina Pérez-Sira, Victor Hugo Aguilar
This review assesses the Delphi methodology as an expert consulting technique in the area of Public Health, particularly with a focus on food safety management and prevention of foodborne diseases, providing researchers with methodological information for its use. The data was compiled during January-August 2017 in the databases of Scopus, Medline, and Scielo. It was evidenced that, with the technological advances, the method shows an upturn, obtaining results in less time and cost of process, and a greater reach to distant experts, diversifying its applicability in Food Safety and ATS prevention...
July 2018: Revista Peruana de Medicina Experimental y Salud Pública
Ariene Silva do Carmo, Maíra Macário de Assis, Cristiane de Freitas Cunha, Tatiana Resende Prado Rangel de Oliveira, Larissa Loures Mendes
This study's aim was to characterize the food environment of Brazilian public and private schools. This was a national school-based cross-sectional study with 1,247 schools - among which 81.09% were public and 18.91% were private - in 124 Brazilian municipalities. The data originated from the Questionnaire on Aspects of the School Environment, used in the Study of Cardiovascular Risk in Adolescents (ERICA) in 2013 and 2014. Data analysis was conducted in 2017. The chi-square test was used to compare proportions...
November 29, 2018: Cadernos de Saúde Pública
Xu-Qing Wei, Xue-Peng Li, Chao-Ling Wu, Shu-Min Yi, Ke-Li Zhong, Tong Sun, Jian-Rong Li
The composite chitosan coatings were prepared and characterized to evaluate their preservation properties for silver carp fish balls, and the microstructures and physicochemical properties of the coatings were improved by in situ nano silicon oxide (SiOx) and zinc oxide/titania (ZnO/TiO2 ) nano-particles (NPs). In the chitosan coatings, when the chitosan combines with NPs by chemical bonds, the crystal lattice is slightly changed due to the modification of NPs. The chitosan coatings modified by NPs showed few cracks, among which sodium hexametaphosphate (SHMP) modified ZnO/TiO2 /SiOx-chitosan (ZTS-CS) coating is proved to be the optimal one...
December 5, 2018: Journal of Food Science
D I Ellis, H Muhamadali, Y Xu, R Eccles, I Goodall, R Goodacre
The spirits drinks industry is of significant global economic importance and a major employer worldwide, and the ability to ensure product authenticity and maintain consumer confidence in these high-value products is absolutely essential. Spirit drinks counterfeiting is a worldwide problem, with counterfeiting and adulteration of spirit drinks taking many forms, such as substitution, stretching with lower-grade products, or creation of counterfeits with industrial, surrogate, or locally produced alcohols. Methanol for example, which has been used as a substitute alcohol for ethanol, has a high toxicity in humans...
December 5, 2018: Analyst
Vladimir Elisashvili, Eva Kachlishvili, Michael L Chikindas
Spore-forming probiotic bacteria have received a wide and constantly increasing scientific and commercial interest. Among them, Bacillus species are the most studied and well-characterized Gram-positive bacteria. The use of bacilli as probiotic products is expanding especially rapidly due to their inherent ability to form endospores with unique survivability and tolerance to extreme environments and to produce a large number of valuable metabolites coupled with their bio-therapeutic potential demonstrating immune stimulation, antimicrobial activities and competitive exclusion...
December 5, 2018: Probiotics and Antimicrobial Proteins
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No abstract text is available yet for this article.
December 4, 2018: BMJ: British Medical Journal
Lisa Dähnert, Martin Eiden, Josephine Schlosser, Christine Fast, Charlotte Schröder, Elke Lange, Albrecht Gröner, Wolfram Schäfer, Martin H Groschup
BACKGROUND: Hepatitis E virus (HEV) is one major cause of acute clinical hepatitis among humans throughout the world. In industrialized countries an increasing number of autochthonous HEV infections have been identified over the last years triggered by food borne as well as - to a much lower degree - by human to human transmission via blood transfusion. Pigs have been recognised as main reservoir for HEV genotype 3 (HEV-3), and zoonotic transmission to humans through undercooked/raw meat is reported repeatedly...
December 4, 2018: BMC Veterinary Research
Natalia Komarova, Mariia Andrianova, Sergey Glukhov, Alexander Kuznetsov
Furaneol is an aroma compound which occurs naturally in foods and is used as an artificial flavor. Detection of furaneol is required in food science and food processing industry. Capture- Systematic Evolution of Ligands by EXponential enrichment (SELEX) protocol was applied for the isolation of an aptamer binding to furaneol, a small volatile organic substance contributing to the flavor of various products. Thirteen cycles of selection were performed. The resulting DNA pool was cloned, using blunt-end cloning, and ninety-six plasmids were sequenced and analyzed...
November 30, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Przemysław Seruga, Małgorzata Krzywonos, Marta Wilk
Anaerobic digestion (AD) has been used widely as a form of energy recovery by biogas production from the organic fraction of municipal solid wastes (OFMSW). The aim of this study was to evaluate the effect of the introduction of co-substrates (restaurant wastes, corn whole stillage, effluents from the cleaning of chocolate transportation tanks) on the thermophilic anaerobic digestion process of the mechanically separated organic fraction of municipal solid wastes in a full-scale mechanical-biological treatment (MBT) plant...
November 30, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Alexandre Poulhazan, Alexandre A Arnold, Dror E Warschawski, Isabelle Marcotte
Starch is the most abundant energy storage molecule in plants and is an essential part of the human diet. This glucose polymer is composed of amorphous and crystalline domains in different forms (A and B types) with specific physicochemical properties that determine its bioavailability for an organism, as well as its value in the food industry. Using two-dimensional (2D) high resolution solid-state nuclear magnetic resonance (SS-NMR) on 13 C-labelled starches that were obtained from Chlamydomonas reinhardtii microalgae, we established a complete and unambiguous assignment for starch and its constituents (amylopectin and amylose) in the two crystalline forms and in the amorphous state...
November 30, 2018: International Journal of Molecular Sciences
Zhiyang Li, Chuqing Liu, Victor Sarpong, Zhiyong Gu
Antibiotics such as penicillin and tetracycline drugs are widely used in food animals to treat, control, and prevent diseases, and penicillin is approved for use to improve growth rates in pigs and poultry. However, due to the overuse of antibiotics in food and medical industry, the antimicrobial resistance is starting to show up in some developing countries. The antibiotic abuse may cause allergic reactions, resistance in microorganisms and general lowering of immunity in consumers of meat and dairy products...
October 17, 2018: Biosensors & Bioelectronics
Farideh Tabatabaei Yazdi, Abbas Tanhaeian, Marjan Azghandi, Alireza Vasiee, Behrooz Alizadeh Behbahani, Seyed Ali Mortazavi, Sahar Roshanak
The antimicrobial peptide Thrombocidin-1 (TC-1) isolated from human blood that derived from NAP-2 by deleting of two amino acids from C-terminal region. In this study, a C-terminal 6 _ His tagged recombinant TC-1 was expressed as a secreted peptide in Pichia pastoris, for the first time. The recombinant P. pastoris was inoculated in to BMMY culture medium, incubation with 5 μl/ml absolute methanol for 72 h at 30 °C. The TC-1 peptide was concentrated with nickel affinity chromatography and electrophoresis on 16% acrylamide gels...
December 1, 2018: Microbial Pathogenesis
Danielle Devequi-Nunes, Bruna Aparecida Souza Machado, Gabriele de Abreu Barreto, Jéssica Rebouças Silva, Danielle Figuerêdo da Silva, José Luiz Carneiro da Rocha, Hugo Neves Brandão, Valéria M Borges, Marcelo Andres Umsza-Guez
Propolis is a natural product with many demonstrated biological activities and propolis extract has been used in the food, pharmaceutical and cosmetics industries. Different works have showed the variations in the chemical composition, and consequently, on the biological activity of the propolis that are associated with its type and geographic origin. Due to this study evaluated propolis extracts obtained through supercritical extraction and ethanolic extraction (conventional) in three samples of different types of propolis (red, green and brown), collected from different regions in Brazil (state of Bahia)...
2018: PloS One
Michael Lacey, Sharon Chandra, Roula Tzianetas, JoAnne Arcand
Background: Globally, population-wide sodium reduction strategies have been adopted and implemented to address the adverse health effects of excess dietary sodium. However, in Canada, minimal coordinated action by governments has occurred, including interventions aimed at food service operations in hospitals and long-term care (LTC) centers. The objective of this study was to investigate actions, attitudes, barriers, and facilitators related to sodium reduction in these institutions. Methodology: A cross-sectional survey was administered to food service administrators working in hospitals and LTC facilities in Ontario...
November 2018: Food Science & Nutrition
Sunday Samuel Sobowale, Oluwatoyin Habibat Animashaun, Antoine Floribert Mulaba-Bafubiandi, Temitope Saratallahi Abidoye, Yusuf Olamide Kewuyemi, Oluwafemi Ayodeji Adebo
The current industrial demand for starchy foods has been dominated by other roots and tubers, while cocoyam, despite being rich in fiber, minerals, and vitamins has remained under exploited. In this study, the effect of feed moisture content (FMC), screw speed (SS) and barrel temperature (BT) on the quality characteristics of cocoyam noodles (proximate, thermo-physical, physicochemical, texture, color, extrudate properties, and sensory characteristics) were investigated using central composite design (CCD) of response surface methodology (RSM)...
November 2018: Food Science & Nutrition
Oniovosa Leonard Adamu-Governor, Taofik A Shittu, Oluwatoyin Rebecca Afolabi, Sylvia Veronica Ajagugha Uzochukwu
Lactic acid bacteria have wide applications in food processing. Lactic acid bacteria produced exopolysaccharides (EPS) which could be used as possible replacer for commercial stabilizer and thickeners produced by nonfood grade bacteria. Seventy-two samples of Oil and Raphia palm sap were collected in eighteen locations across South-Western Nigeria and screened for exopolysaccharide production in 6% sucrose agar using streaked plate method. Four hundred EPS-producing bacteria (EPB) isolated were clustered based on morphological characteristics into two broad groups and preliminary screened for EPS-producing capacity...
November 2018: Food Science & Nutrition
Jong-Min Lim, Chang-Hyun Song, Su-Jin Park, Dong-Chan Park, Hyung-Rae Cho, Go-Woon Jung, Khawaja Muhammad Imran Bashir, Sae Kwang Ku, Jae-Suk Choi
This study was designed to observe the possible protective effects of a triple-fermented barley ( Hordeum vulgare L.) extract (FBe) obtained by saccharification and using Saccharomyces cerevisiae and Weissella cibaria in alleviating gastric damage induced by a hydrochloric acid (HCl) and ethanol (EtOH) mixture in mice. After oral administration of FBe (300, 200, and 100 mg/kg) followed by 1 hr before and after the single treatment of HCl/EtOH (H/E) mixture, the hemorrhagic lesion scores, histopathology of the stomach, gastric nitrate/nitrite content, lipid peroxidation, and antioxidant defense systems including catalase and superoxide dismutase activities were observed...
November 2018: Food Science & Nutrition
Abdul-Rasaq A Adebowale, Abimbola B Wahab, Philip O Sobukola, Adewale O Obadina, Ester O Kajihausa, Olanike M Adegunwa, Oladimeji L Sanni, Keith Tomlins
Fresh yams are not shelf stable due to its high susceptibility to physiological deterioration; hence, its conversion into a more stable product like flour can stimulate its industrial application as a substitute to wheat flour. The influence of yam species, pretreatment, and drying method on the antinutritional factor and vitamin composition of high-quality yam flour (HQYF) was determined. Four different yam species were pretreated with 0.28% potassium metabisulphite for 15 min and blanching at 70°C for 15 min...
November 2018: Food Science & Nutrition
Gabriel D Sáez, Leandro Flomenbaum, Gabriela Zárate
Lactic acid bacteria (LAB) improve the organoleptic, nutritional and physicochemical properties of artisanal foods. In this study, we selected 31 fermented dairy and vegetable foods marketed in Tucumán city, Argentina, as sources of LAB for the production of pickles. Sixty-four isolates presumptively identified as Lactobacillus strains were screened for relevant technological properties for production of fermented foods. Most strains showed moderate to good acidification (>0.04 pH units/h) and proteolytic capabilities (free aminoacids >1 mmol/L), produced diacetyl and/or acetoin and were resistant to 4% NaCl...
September 2018: Food Technology and Biotechnology
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