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Journal of Food Science and Technology

Sat, 12/01/2018 - 00:00
Abstract The antifungal activity of acetophenone and phenylethyl alcohol prevents seed contamination by Aspergillus flavus TISTR 3041 and A. parasiticus TISTR 3276. Their effects on seed germination were investigated. In vitro results showed that 100 µL L−1 acetophenone completely inhibited (by 100%) growth, conidial germination, and sporulation of the two aflatoxin-producing...
Thu, 11/01/2018 - 00:00
Abstract Wild yam (Dioscorea spp.) tubers, an indigenous food makes a significant contribution to the diets of tribal people of Koraput, India. However, there is dearth of documented information of their mineral bioavailability and heavy metal content. To know their quality and safety concerns about their use, minerals and heavy metal concentrations were evaluated in eight...
Thu, 11/01/2018 - 00:00
Abstract Wild yam (Dioscorea spp.) tubers, an indigenous food makes a significant contribution to the diets of tribal people of Koraput, India. However, there is dearth of documented information of their mineral bioavailability and heavy metal content. To know their quality and safety concerns about their use, minerals and heavy metal concentrations were evaluated in eight...
Mon, 10/01/2018 - 00:00
Abstract Aqueous extract of nut by-products (cashewnut shell, coconut shell, and peanut hull) were studied for their physicochemical properties, antibacterial activity and food preservation potential in an artificially inoculated fresh-cut fruit (papaya) model. Physicochemical characteristics revealed the colour, odor, nearly neutral pH (6.67–6.83), high water solubility (69....
Sat, 08/11/2018 - 00:00
Abstract This study aimed to evaluate the technical feasibility of supercritical carbon dioxide (sc-CO2) treatment for Vibrio parahaemolyticus inactivation in oysters (Crassostrea gigas) and in nutrient broth. For this purpose, a variable-volume reactor was used as experimental system and a 23 factorial design was adopted considering the mass ratio between carbon dioxide and the...
Wed, 08/01/2018 - 00:00
Abstract The aim of this study was to investigate the efficacy of some decontaminant agents on the survival of Salmonella Typhimurium and Listeria monocytogenes with different attachment periods to chicken drumstick with skin and skinless breast meat. For this purpose, S. Typhimurium and L. monocytogenes were given periods of 0.5 (30 s), 20 and 210 min to attach to the chicken...
Thu, 07/12/2018 - 00:00
Abstract Nisin (Ni), natamycin (Na), green tea extract (GTE) and their combinations were evaluated for controlling beet leaves’ native microbiota as well as Listeria innocua and Escherichia coli external contaminations. Antimicrobial effectiveness was evaluated through in vitro and in vivo studies. In the in vitro studies, GTE treatment (0.85%) completely eliminated growth of...
Mon, 07/09/2018 - 00:00
Abstract Listeriosis and Salmonellosis are two of the most common foodborne diseases. Consequently, an early and accurate detection of Listeria monocytogenes and Salmonella spp. in food products is a critical concern of public health policies. Therefore, it is of great interest to develop rapid, simple, and inexpensive alternatives for pathogen detection in food products. In...
Sat, 07/07/2018 - 00:00
Abstract Lactococcus lactis subsp. lactis strain 63 was isolated from Indian dairy products, produced a bacteriocin with broad spectrum inhibition against several of food pathogens like Listeria monocytogenes and Bacillus cereus as well as Gram negative bacteria viz., E. coli, Yersinia, Citrobacter, Proteus, Enterobacter, Klebsiella and Serratia strains. Bacteriocin production...
Tue, 06/26/2018 - 00:00
Abstract It is less than 20 years since nanotechnology found applications in food packaging. The new packaging materials have featured various improved characteristics such as antimicrobial activity and active packaging. However, there is a great controversy about the production cost, safety and suitability of nanocomposite materials to come in contact with foodstuffs. To this...
Wed, 06/13/2018 - 00:00
Abstract In the present research, two inactivated yeast strains (W13 and BM45) and a commercial yeast cell wall preparation (YCW) already tested for their ability to removal ochratoxin A were used to simulate the wine aging. During the simulated aging, the concentrations of the main 4 anthocyanins decreased in both the control wine and the wines added with yeasts, although at...
Thu, 06/07/2018 - 00:00
Abstract The objective of this investigation was to explore the antioxidant and antimicrobial property of bioactive prodigiosin produced from Serratia marcescens using rice bran. The antioxidant potential of prodigiosin was examined by 2, 2-diphenyl-1-picrylhydrazyl (DPPH) and 2, 2′-azino-bis 3-ethylbenzthiazoline-6-sulfonic acid (ABTS) radical scavenging method via UV–visible,...
Wed, 06/06/2018 - 00:00
Abstract A total of 2257 lactic acid bacteria were preliminarily screened for antagonistic activity against Lactobacillus sakei subsp. sakei JCM 1157. Strain SKI19 was selected and identified at the subspecies level as Lactobacillus plantarum subsp. plantarum SKI19, using 16S rRNA gene sequence analysis combined with recA and dnaK genes’ amplification. Antibacterial activity of...
Sat, 05/26/2018 - 00:00
Abstract Listeria monocytogenes was screened from different seafood contact surfaces in five sampling sites of fishing harbour, fish landing centers, seafood processing plants, fish market, and fish curing yards of Tuticorin Coast of India. 115 swab samples were collected and tested for the occurrence of L. monocytogenes by conventional and molecular methods. Overall, 5.22% of...
Thu, 05/24/2018 - 00:00
Abstract In the present investigation d-limonene oil (4-isopropenyl-1-methylcyclohexene) was encapsulated by ultra-sonication method using whey protein (WP)–maltodextrin (MD) conjugates as coating material and their characterization was done with respect to physico-chemical and antimicrobial properties. Antimicrobial activity of limonene oil (LO) nanoemulsion and bulk LO...
Wed, 05/23/2018 - 00:00
Abstract Strains of diarrheagenic Escherichia coli (DEC) are involved in foodborne disease outbreaks worldwide, especially the enterohemorrhagic E. coli O157:H7. This study describes two multiplex quantitative real time PCR (qPCR) assays for simultaneous identification and quantification of genes related to virulence of DEC; a triplex reaction for detection and...
Tue, 05/01/2018 - 00:00
Abstract Utonga-kupsu, Hentak and Ngari are traditional fermented fish products produced by the Manipuri people living in the North-Eastern part of India. The present study was designed with the aim to isolate, identify and characterize the microorganisms present in these fermented foods. Bacterial pure cultures were isolated using serially diluted samples and were further...
Sat, 03/24/2018 - 00:00
Abstract The impact of bread fortification with β-glucans and with proteins/proteolytic enzymes from brewers’ spent yeast on physical characteristics was evaluated. β-Glucans extraction from spent yeast cell wall was optimized and the extract was incorporated on bread to obtain 2.02 g β-glucans/100 g flour, in order to comply with the European Food Safety Authority guidelines....
Tue, 03/20/2018 - 00:00
Abstract The study was aimed to isolate antagonistic lactobacilli and the molecules responsible for their antagonistic ability from curd. Preparation of probiotic curd and the ability of the selected lactobacilli to suppress the pathogen therein was also assessed. All the 116 isolates were identified as Lactobacillus spp. based on morphological, biochemical and curdling assays....
Sat, 03/17/2018 - 00:00
Abstract The objective of this study was to develop biodegradable active film to improve the shelf-life of minimally processed fresh-produce. Guar gum (GG) based films with improved properties were fabricated by employing tween-80 (0.88%) as emulsifier, nanoclay (13.9%) as reinforcement, beeswax (1.21%) for hydrophobicity, glycerol (3.07%) as plasticizer, and grape pomace...
Mon, 03/05/2018 - 00:00
Abstract This study validated high hydrostatic pressure processing (HPP) for achieving greater than 5-log reductions of Escherichia coli O157:H7 in carambola juice and determined shelf life of processed juice stored at 4 °C. Carambola juice processed at 600 MPa for 150 s was identified capable of achieving greater than 5.15-log reductions of E. coli O157:H7, and the quality was...
Mon, 03/05/2018 - 00:00
Abstract The aim of this study was to investigate the presence of tetracycline resistance in lactobacilli isolated from traditional Serbian white brined raw milk cheeses (Homolje, Sjenica, Zlatar). Isolation of presumptive lactobacilli was initially performed using MRS-S agar without tetracycline, or supplemented with 16 and 64 µg/mL of tetracycline. Rep-PCR (GTG)5 genotyping...
Mon, 03/05/2018 - 00:00
Abstract Biodegradable packaging in food materials is a green technology based novel approach to replace the synthetic and conventional packaging systems. This study is aimed to formulate the biodegradable cassava starch based films incorporated with cinnamon essential oil and sodium bentonite clay nanoparticles. The films were characterized for their application as a packaging...
Mon, 02/19/2018 - 00:00
Abstract Salmonella outbreaks related to fruits and vegetables have been reported being lettuce one of the most contaminated. Peracetic acid (PA) at 50 mg/L, sodium dichloroisocyanurate (SD) at 100 mg/L, and the combination of SD at 100 mg/L and babaçu coconut (Attalea speciosa) oil detergent at 100 mg/L were applied to fresh lettuce. Natural contaminant microbiota,...
Wed, 02/07/2018 - 00:00
Abstract The effects of black cumin (BC) at 0, 1 or 2% in Erzincan Tulum cheese (Tulum cheese) on its microbiological, chemical and proteolysis properties during ripening were investigated. The addition of BC caused an increase in the dry matter, protein, ash, total nitrogen (TN), water-soluble nitrogen (WSN) (% of TN) (ripening index), 5% phosphotungstic acid soluble nitrogen (...
Tue, 02/06/2018 - 00:00
Abstract The presence of aflatoxin, a carcinogenic and toxigenic secondary metabolite produced by Aspergillus species, in food matrix has been a major worldwide problem for years now. Food processing methods such as roasting, extrusion, etc. have been employed for effective destruction of aflatoxins, which are known for their thermo-stable nature. The high...
Sat, 02/03/2018 - 00:00
Abstract This study reports on aflatoxin production and peanut (Bailey’s variety) quality, for four peanut pre-storage treatments; [(Raw clean (Raw-Cl), Raw inoculated with Aspergillus flavus NRRL 3357 (Raw-Inf), inoculated partially roasted but not-blanched (PRN-blanch); and inoculated partially roasted, blanched with discolored nuts sorted out (PR-blanched)]. All four treated...
Sat, 02/03/2018 - 00:00
Abstract Food contaminated with pathogenic bacteria such as Staphylococcus aureus (S. aureus), represents a serious health risk to human beings. Totarol is an antibacterial novel phenolic diterpenes. In present study, the antibacterial activity of totarol against S. aureus was investigated in a food system. The antibacterial activity of totarol was determined by measuring the...
Mon, 01/15/2018 - 00:00
Abstract The current study aimed to fabricate nisin-loaded chitosan (N-CS) nanoparticles through ionic interactions between positive amino groups of chitosan and negatively charged tripolyphosphate ions in the presence of nisin and to evaluate their efficacy against foodborne pathogens in orange juice. The synthesized nanoparticles were sphere-shaped and homogenous with an...
Fri, 01/12/2018 - 00:00
Abstract The applicability of near-infrared (NIR) and mid-infrared (MIR) spectroscopy combined with chemometrics was explored in this study to develop rapid, low-cost and non-destructive spectroscopic methods for classification and quantification of aflatoxins in brown rice. A total of 132 brown rice samples within the aflatoxin concentration range of 0–2435.8 μg/kg were...
Mon, 01/01/2018 - 00:00
Abstract The influence of essential oils (EOs) extracted from the leaves of Melaleuca alternifolia, Melaleuca quinquenervia and Backhousia citriodora on ochratoxin A (OTA) synthesis by fungi was studied. The extraction of EOs was performed by hydrodistillation (Clevenger apparatus) over a 2-h period and subsequently analyzed by GC–MS and GC–FID. The toxigenic activity of the...
Sat, 12/30/2017 - 00:00
Abstract Meat and meat products can be contaminated with pathogenic microorganisms, which cause serious health problems and economic loss. Recently, numerous novel non-thermal technologies have been developed to respond to growing consumer demand for high quality and safe meat products. Cold atmospheric plasma (CAP) is a novel and emerging non-thermal technology, showing great...
Sat, 12/30/2017 - 00:00
Abstract The baby foods industry is currently seeking technologies to pasteurize products without formation of processing contaminants such as furan. This work demonstrates the applicability of high hydrostatic pressure (HHP) as a non-thermal decontamination intervention for fruit purée based baby foods. HHP processing was evaluated at 200, 300, and 400 MPa pressures, for...
Tue, 12/26/2017 - 00:00
Abstract In this study, the effect of icing medium containing different concentration of pistachio (Pistacia vera L. cv. Akbari) green hull extract (PHE) was investigated on the chemical stability of rainbow trout. The fishes were stored for 12 days in flaked ice containing 0, 0.1, 0.2 and 0.3% PHE and the parameters of pH, total volatile base nitrogen (TVB-N), histamine, free...
Fri, 12/22/2017 - 00:00
Abstract Vibrio parahaemolyticus is part of the natural microflora of estuarine and coastal marine waters and can be also present in seafood, especially shellfish and bivalve molluscs. In this study we compared the reference cultural method ISO 6887-3 with two molecular methods, multiplex PCR and real-time PCR, for the detection of two distinct...
Thu, 12/21/2017 - 00:00
Abstract In a previous study, a stable tamarillo sweet product (TSP) was obtained by applying hurdle technology (low pH, reduction of water activity, sodium benzoate addition and stored at 4 °C, with oxygen and light protection). In order to improve the TSP shelf life, it was decided to employ a mixture of antimicrobial agents (sodium benzoate and potassium sorbate 50–50...
Tue, 12/19/2017 - 00:00
Abstract The present study aims survey of fungi causing deterioration of millets during storage, detection of aflatoxigenic fungal strains ans assessment of chemically characterized Gaultheria fragrantissiuma Wall essential oil (EO) and its major component methyl salicylate (MS) as plant based preservative. Essential oil (EO) and its major component methyl salicylate (MS) as...
Tue, 12/12/2017 - 00:00
Abstract Shigellosis (bacillary dysentery) is an acute enteric infection caused by members of Shigella genus. It causes annual deaths of approximately five million children in developing countries. Among Shigella spp., S. flexneri causes more serious forms of dysentery than other Shigella species. Due to the appearance of multidrug-resistant strains of Shigella spp., it is...
Mon, 12/04/2017 - 00:00
Abstract Dipping solutions containing bacteriocins produced by Lactobacillus curvatus CRL705 and Lactobacillus sakei CRL1862 (Bact705/1862), nisin and organic acids (lactic acid, LA; acetic acid, AA) were tested alone or in combination against Listeria monocytogenes inoculated by immersion on vacuum-packaged frankfurters stored at 10 °C during 36 days. LA/AA solution (2.5% v/v...
Thu, 11/09/2017 - 00:00
Abstract The objective of the study was to determine the antimicrobial activity of Swamp Cranberry (Vaccinium oxycoccos) fruit and pomace extracts (FSCE and PSCE) and their efficiency in minced pork meat. Ethanol (96 and 40%) and water were used for raw material extraction. Organic acids, flavonols, terpenes and stilbenes composition of the extracts was determined using HPLC....
Wed, 11/08/2017 - 00:00
Abstract Jabuticaba (Myrciaria jaboticaba) is a dark-colored fruit native to Brazil that has a desirable flavor and high anthocyanin content. In the present study, jabuticaba juice was produced by steam-extraction and the phenolic compound profile, antioxidant capacity, instrumental color, and microbiological quality were evaluated during 90 days of storage at 25 °C....
Tue, 11/07/2017 - 00:00
Abstract The article describes some probiotic properties of fermented product made of natural association of Tibetan kefir grains cultivated in Ukrainian household (UTKG); also, the effect of UTKG microbiota on the growth of pathogenic microbiota and sensitivity to antibiotics was studied. It was found that the test-cultures of oppurtunistic pathogens (Staphylococcus aureus,...
Mon, 11/06/2017 - 00:00
Abstract In this study, a predictive growth model of generic Escherichia coli in Garaetteok at a range of storage temperatures (T, 10–40 °C) was developed. The primary models of specific growth rate (SGR) and lag time (LT) fit well (R2 ≥ 0.985) using a Gompertz equation. Secondary polynomial models were obtained by non-linear regression and calculated as SGR = − 0.01,570 + 0....
Sat, 11/04/2017 - 00:00
Abstract The aim of this work was to evaluate the incorporation of a freeze-dried probiotic strain (Lactobacillus plantarum CIDCA 83114) into zeolites. The bacteria-zeolite mixture was added to poultry feed together with thyme, and the obtained product was stored for 60 days at 25 °C and 60–70% relative humidity. The ability of the obtained product to remove aflatoxin B1 (AFB1)...
Mon, 10/09/2017 - 00:00
Abstract Most studies evaluating the use of essential oils (EO) as antibacterial agents focus mainly on minimal inhibitory concentrations (MIC) rather than minimal bactericidal concentrations (MBC). In this work, we compared MICs and MBCs of EO from condiment plants commonly used in Mediterranean Europe, namely Origanum vulgare, Salvia lavandulaefolia, Salvia officinalis, Salvia...
Fri, 10/06/2017 - 00:00
Abstract Packing tissue between and around the kernel halves just turning brown (PTB) is a phenological indicator of kernel ripening at harvest in walnuts. The effect of three ripening stages (Pre-PTB, PTB and Post-PTB) on kernel quality characteristics, mineral composition, lipid characterization, sensory analysis, antioxidant and antibacterial activity were investigated in...
Tue, 09/26/2017 - 00:00
Abstract This work aimed to study the kinetics of bifenthrin and deltamethrin residues degradation in rice grains under exposure to ozone and evaluate the effect of ozonization on rice grains marketing standards. The grains sprayed with pesticides were exposed to ozone at a concentration of 3 mg L−1 and continuous flow of 1.0 L min−1 for defined periods of up to 10 h. Residues...
Fri, 09/22/2017 - 00:00
Abstract The major contamination sources, serogroups, biofilm-forming ability and biocide resistance of Listeria monocytogenes persistent in tilapia-processing facilities were assessed. Twenty-five processing-control points were examined twice in two factories, including whole tilapias, frozen fillets, water and food-contact surfaces. L. monocytogenes were detected in 4 and 20%...
Thu, 09/21/2017 - 00:00
Abstract This study was designed to evaluate antimicrobial activity and chemical composition of four different plant essential oils i.e. Ginger oil (GiO), Black seed oil (BSO), Oregano oil (OO) and Rose oil (RO) against different bacterial and fungal strains. Anti-microbial activities of selected essential oils were determined by the microbiological technique using Agar well...
Wed, 09/13/2017 - 00:00
Abstract The aims of the present study were to investigate chemical compositions, antioxidant and antimicrobial properties of Ziziphora clinopodioides essential oils (ZEOs) collected from four provinces in western Iran (Ilam, Lorestan, Kermanshah and Kurdestan). Carvacrol was the most abundant constituent in the flower, stem and leaf oil samples of Ilam, Lorestan and Kermanshah...

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