Journal of the Science of Food and Agriculture

The Research Publications track research that is published across national and international peer-reviewed journals. The most recent articles are available ahead of print and searchable by Journal Title, Subject, USDA Grant Funding Agencies or FDA Grant Funding Agencies. The research publications are tracked across five subject areas: Bacterial Pathogens, Chemical Contaminants, Natural Toxins, Parasites, and Viruses.

Fri, 02/14/2020 - 03:15
Background Aphids are common insect pests that feed on and excrete feces/honeydew on storage vegetables, especially in the temperate region of the northern hemisphere. The honeydew of aphids is an excellent growth medium for microorganisms. To explore the effects of aphid infestation on the risk of microbial contamination and food safety, the bacterial diversity and community in aphid honeydew...
Thu, 02/13/2020 - 03:25
Grafting of vegetable seedlings is a unique horticultural technology, practiced for more than 5 decades, to overcome problems associated with intensive cultivation on limited arable land. Grafting can protect vegetables against soil‐borne diseases and nematodes, against abiotic stresses such as high or low temperatures, salinity, drought or excessive soil‐water content, and against elevated soil...
Thu, 02/13/2020 - 03:25
BACKGROUND The aim of this study was to determine the influence of harvesting time and meteorological conditions on the occurrence of Fusarium spp. and mycotoxins in the grain of spring cereals. A field experiment was performed in 2016–2018 in spring oat (Avena sativa L.) and spring triticale (× Triticosecale Wittm.) plots. The grain samples of oats and triticale were analysed for Fusarium...
Sat, 02/08/2020 - 03:15
BACKGROUND Cereal seeds, such as maize seeds, are frequently contaminated with Aflatoxin B1 (AFB1), one of the most dangerous naturally occurring carcinogens. In plants, phenolamides are involved in biotic stress response. The data on variations of phenolamides in AFB1 containing seeds are limited. RESULTS Five polyamine conjugates, including two spermidine and three putrescine conjugates, were...
Sat, 01/25/2020 - 03:15
BACKGROUND Contamination of foods or environments by fungi, especially those resistant to conventional fungicides or drugs, represents a hazard to human health. The objective of this study is to identify safe, natural antifungal agents that can rapidly remove fungal pathogens or contaminants from food and/or environmental sources. RESULTS Fifteen antifungal compounds (nine benzo derivatives as...
Sat, 01/25/2020 - 03:15
Biofilm‐forming Bacillus species are often involved in persistent contamination and spoilage of dairy products. Therefore, they present a major microbiological challenge in the field of dairy food quality and safety. Due to a vast physiological versatility, Bacillus species can survive in various sections of dairy manufacturing plants, leading to high risk in product spoilage and potential...
Sat, 01/25/2020 - 03:15
BACKGROUND Pesticides are extensively used worldwide to control plant pathogens and prevent agricultural product damage. However, they can pollute the environment and endanger human health. So far, a variety of sample preparation methods have been developed for pesticide residues analysis. RESULTS A hyphenated solid‐liquid microextraction method based on a new magnetic graphene oxide...
Wed, 01/22/2020 - 03:16
Background Many foods contain proteins and polyphenols, but there is a poor understanding of the nature of the inhibitory effect of protein on the biologic activity of polyphenols. The inhibitory mechanism of the food protein lactoferrin on the antibacterial activity of oligomeric ellagitannin oenothein B (OeB) was investigated using fluorescence quenching, isothermal titration calorimetry (ITC...
Wed, 01/22/2020 - 03:16
BACKGROUND In the last years, there is a concern about the presence of pesticides in honey since residues of DDT and carbaryl were found in honey samples. The traditional techniques, such as chromatography, reach the required limits of detection (LOD) but are not suitable for in‐situ implementation in honey packaging industry due to their high cost and the need of highly qualified staff for...
Sun, 01/19/2020 - 03:15
BACKGROUND Previous studies have recorded a high prevalence of intestinal parasites in lettuce (Lactuca sativa L.) and coriander (Coriandrum sativum L.) destined for human consumption. This study determined the prevalence of contamination by intestinal parasites in these two plants sold in two street markets and two supermarkets in the city of Belém, northern Brazil. RESULTS A total of 200 plant...
Sun, 01/19/2020 - 03:15
BACKGROUND In this study, we evaluated the combined effect of cinnamon essential oil (CEO) microemulsions and a temperature buffering package using phase change material (PCM) microcapsules on the physicochemical property, lipid oxidation and bacterial load of traditional Chinese pork balls (Shi Zi Tou) during temperature fluctuation storage for 9 days. RESULTS Transmission electron microscope...
Wed, 01/15/2020 - 03:15
BACKGROUND Common bean is a staple food in Latin America and Africa, however, studies about contamination of common bean with pesticides are rarely reported. So, the goals of this study were to validate a multiresidue method and apply it in monitoring of pesticides in common beans. Extraction was performed applying QuEChERS approach to ground samples. C18 and PSA were used for clean‐up and a...
Tue, 01/14/2020 - 03:15
Background Heavy metal contamination in water and agricultural products is a major concern that causes risks for human health. This article describes a highly selective approach to preconcentrate Co(II) ions based on the standard UV‐Vis measurement of Co(II)‐PAN complex at λ = 628 nm in water and nut samples. In this method, magnetic SiO2 (mSiO2) was utilized as a practical sorbent and 1‐(2‐...
Thu, 01/09/2020 - 03:27
Over the course of the last few years, the consumption of insects, known as entomophagy, has sparked increasing interest amongst scientists and environmentalists as a potential solution to the inevitable global food security and sustainability issues humans will be facing in the coming years. Despite the fact that insects have been an integral part of over 2 billion people's diet worldwide, the...
Mon, 12/30/2019 - 03:16
BACKGROUND Pistachio fruits suffer from postharvest decay, caused by Aspergillus flavus, resulted in aflatoxin B1 (AFB1) accumulation in kernels, which is hazardous for human health due to its carcinogenic activity. In this study, the mechanism recruited by exogenous β‐aminobutyric acid (BABA) treatment for attenuating Aspergillus decay, minimizing aflatoxin B1 (AFB1) accumulation and maintaining...
Fri, 12/20/2019 - 03:16
ABSTRACT BACKGROUND A new type of deep eutectic solvent based on three components using phosphate salts has been synthesized, characterized, and applied in the extraction of eight organothiophosphate pesticides from honey samples. In the present study, the deep eutectic solvent was prepared from phosphocholine choline chloride as a hydrogen bond acceptor and dichloroacetic acid and decanoic acid...
Thu, 12/19/2019 - 03:17
Background In this study, the development of IR based‐prediction method for easy, fast and non‐destructive detection of pesticide residue levels measured by reference analysis in strawberry (Fragaria x ananassa Duch, Cv. Albion) samples using Near Infrared Spectroscopy (NIRS) and demonstrating its potential alternative or complementary use instead of traditional pesticide determination methods...
Sat, 12/14/2019 - 03:16
Postharvest techniques are widely used for the handling and storage of fresh horticultural crops. Some of these techniques are interesting for use with wine grapes to improve the quality of wine. In this review, we consider the postharvest techniques that are already commercially used in the wine sector and others that may be significant in inducing or extracting the aroma from grapes to produce...
Sat, 12/14/2019 - 03:16
Food safety is a very complex issue. The food that reaches the plate from the farm is exposed to many hazards in processing methods and each of those steps is likely to contribute, indirectly or directly, to contaminants and pathogens that ultimately make the food unsafe. Consumers would always wish for 100% product safety; even regulators want to ensure 100% safety of the product and protect...
Thu, 12/12/2019 - 03:17
BACKGROUND A new growing interest solvent named deep eutectic solvent has been prepared and used as an extraction solvent in the dispersive liquid–liquid microextraction method. In order to prepare the solvent, dichloroacetic acid, L–menthol, and n–butanol at a molar ratio of 4: 1: 1 are mixed and after heating the deep eutectic solvent is formed. Then a dispersive liquid–liquid microextraction...
Thu, 12/12/2019 - 03:17
Background Fungicides are often applied to pears before kept in storage facilities. Scientific application of pesticides can reduce unnecessary exposure, which in turn could benefit both humans and the environment. Results We investigated dissipation behavior, residue distribution and conducted risk assessments for prochloraz, pyraclostrobin, and tebuconazole in pears stored under different...
Fri, 12/06/2019 - 03:16
BACKGROUND The consumption of pesticides‐contaminated sour cherry as fruit or juice has become a major health concern, and thus, intensified the search for alternative processing technologies such as pulsed electric fields (PEF), ozone (O), and ultrasonication (US). The novelties of this experimental study for sour cherry juice were four‐fold: (1) to quantify the removal efficiency of the new...
Wed, 11/27/2019 - 03:16
BACKGROUND Heavy metal resistant bacterium Enterobacter sp. C1D was evaluated for cadmium (Cd) mediated exopolysaccharide production, biofilm formation and legume root colonization ability under Cd stress to alleviate metal induced stress. RESULTS The plant was sensitive to Cd (IC50 3‐ 4μg/ml), while the bacterium showed high Cd tolerance (MIC99 120 μg/ml). Confocal laser scanning microscopy of...
Sun, 11/24/2019 - 03:28
BACKGROUND Baixi sufu (BS) is a traditional Chinese spicy fermented bean curd manufactured with a natural starter. In this study, the bacterial and fungal communities during BS fermentation were determined by culture and the culture‐independent method of high‐throughput sequencing (HTS), and correlation analyses were performed to select the potential fermentation‐contributing microorganisms....
Thu, 11/21/2019 - 03:15
BACKGROUND The research focused on the evaluation of the impact of cover cropping on trace metals (Fe, Mn, Cu, Zn, Pb, Co and Cd) and nutrients in vineyard soils and Vitis vinifera L. For this purpose, two types of cover crops (Lolium perenne L. and Medicago sativa L.) and their mixture were planted between vine rows of Muscat white in the vineyard in South Crimea. Trace elements, nutrients and...
Wed, 11/13/2019 - 03:15
BACKGROUND Ensuring the yield, quality, and profitability of okra by preventing and controlling pests with the application of insecticides has increased in the last decade. Some insecticide residues might remain in edible parts of okra (fruits) and lead to several potential human health problems. Therefore, research on the residue behaviour, risk assessment and removal approach of insecticides on...
Wed, 11/13/2019 - 03:15
Background Soybean is widely used in food formulations; however, few studies on fungal or mycotoxin contamination have been undertaken. In this regard, the free, conjugated and bound phenolic compounds, as well as their antioxidant and antifungal potential, besides the occurrence of aflatoxin B1 (AFB1) in soybeans were evaluated. Results The conjugated and bound phenolic soybean extracts were...
Tue, 11/05/2019 - 03:17
ABSTRACT BACKGROUND The low cost of aminoglycoside (AMG) antibiotics facilitates their excessive use in animal husbandry and agriculture sector. This scenario has led to the occurrence of residues in the food chain. After several years of AMGs use in antibacterial therapy, resistance to streptomycin has begun to appear. The method lacks AMG specificity previously reported against a single...
Tue, 11/05/2019 - 03:17
BACKGROUND Phthalates have been widely used as plasticizers in various industries and are widely focused on in the international community due to their reproductive toxicity. Recently, the exposure of Chinese residents to phthalates via edible vegetable oil often occurs. In this study, gas chromatography‐mass spectrometry was used to detect the two main phthalates bis(2‐ethylhexyl) phthalate (...
Tue, 11/05/2019 - 03:17
Background Magnetic three‐dimensional graphene‐based nanoadsorbents (3DG‐Fe3O4) have unique characteristics such as large surface area, good thermal and chemical stability, and high adsorption capacity that make them efficient materials in sorbent‐based extraction techniques. In this study, four aflatoxins (B1, B2, G1, and G2) were analyzed in bread samples using magnetic three‐dimensional...
Tue, 11/05/2019 - 03:17
ABSTRACT In this paper the relationship between lipophilic grape seed proanthocyanidin (LGSP) and acrylamide formation in potato‐based products was investigated. The acrylamide, reducing sugar, asparagine, and 3‐aminopropionamide contents were determined by high performance liquid chromatography‐mass spectrometry (HPLC‐MS). Sensory evaluation was used to evaluate the quality of the products. The...
Fri, 11/01/2019 - 03:16
Dairy farming feed can be contaminated with mycotoxins affecting animals’ health and milk quality. Additionally, dairy farming is an environment prone to occupational exposure to mycotoxins and feed is recognized as a contamination source of the workplace environment. An exploratory study was developed in a dairy farm located in Portugal intending to assess the mycotoxins present in the feed. All...
Fri, 10/25/2019 - 03:21
ABSTRACT Background Barley (Hordeum vulgare L.) is one of the most important cereals worldwide, and its quality is affected by fungal contamination such as species of the genus Alternaria. No information is available about the occurrence of Alternaria mycotoxins in Argentinean barley grains, which is of concern, because they can be transferred into malt and beer. The aim of this study was to...
Fri, 10/25/2019 - 03:21
ABSTRACT BACKGROUND Wheat is the most important winter crop in the world being affected by the presence of fungal mainly those belonging to the Fusarium genus. Fusarium Head Blight (FHB) is a serious disease that causes important economic damages and quantitative/qualitative losses, being F. graminearum and F. poae two of the most isolated species worldwide. The aim of this study was to evaluate...
Thu, 10/24/2019 - 03:20
BACKGROUND The application of chemical fungicides is currently the main method to control postharvest decay of fruits and vegetables. However, public concern has been growing towards the effect of fungicides on food safety, human health, and environmental pollution. Thus, interest in microbial biocontrol agent development has grown, which is considered both safe and environmentally friendly....
Mon, 10/21/2019 - 03:19
BACKGROUND The presence of acrylamide in food has attracted wide attention and has raised concerns due to its potential toxic and carcinogenic effects. The phenolic compounds in buckwheat display strong antioxidant activity, which may affect the acrylamide levels. The aims of this study were to evaluate the effect of buckwheat extracts on acrylamide formation and the quality of the bread, and to...
Sat, 10/12/2019 - 03:19
Background Despite the growing importance of probiotics vivid health benefits, an impediment to the use of new probiotic cultures is their safety. Hence, there is a need to strictly examine the biosafety as well as health benefits of probiotics in vivo model system. Results In this study, two lactic acid bacterial (LAB) cultures Lactobacillus fermentum NCMR 2826 and FIX proven for their in vitro...
Sat, 10/12/2019 - 03:19
BACKGROUND Nitroxynil (NIT) is a veterinary drug against hepatic fluke disease for food‐producing cattle and sheep. NIT has a long half‐time in animals since it is highly bound to plasma protein. Therefore, NIT possibly remains in animal edible tissues or milk due to drug abuse. Herein, a specific murine monoclonal antibody (mAb) against NIT was prepared. An immunochromatographic strip assay...
Wed, 10/09/2019 - 03:19
ABSTRACT BACKGROUND Seafood processing generates significant amounts of solid and liquid waste in the environment. These represent a potential source of high‐value biomolecules for food, pharmaceutic and cosmetic applications. There are very few studies on the valorization of wastewaters compared to solid by‐products. However, cooking waters are characterized by a high organic polluting load,...
Thu, 10/03/2019 - 03:19
BACKGROUND Several diseases and insects may cause potential damage to the normal growth of cucumber. Azoxystrobin and meptyldinocap are effective against pathogens which have developed reduced sensitivity to other fungicides because of their novel mode of action. Azoxystrobin is persistent in various crops and environment. However, there is a lack of research on dissipation of these two...
Mon, 09/23/2019 - 03:15
BACKGROUND Kimchi, a Korean food, is now produced and consumed in many other countries. In this study, the macro, trace, and toxic element content in varieties of kimchi from Korea and China was evaluated. A health‐risk assessment, involving the calculation of estimated dietary intake values, was undertaken. To discriminate among samples with different origins, linear discriminant analysis (LDA)...
Mon, 09/23/2019 - 03:15
Background Recycled oil has emerged as a big food safety issue and poses a major threat towards the public health. To date, very limited studies have been conducted to detect the adulteration of used and recycled palm olein in refined, bleached, and deodorized palm olein (RBDPO). In this study, oil samples that underwent controlled heating and deep‐frying studies were refined using the common oil...
Mon, 09/23/2019 - 03:14
ABSTRACT BACKGROUND T‐2 toxin (T‐2) is a potent mycotoxin and a common contaminant of aquatic animal feed, posing a serious risk to the health and aquatic animals. We investigated the effect of T‐2 on shrimp muscle proteins using proteomics and conventional biochemical methods. Shrimp were fed a diet containing T‐2 at 0 ‐ 12.2 mg kg‐1 for 20 days, and changes to the muscle protein composition,...
Mon, 09/23/2019 - 03:14
BACKGROUND Grape is an important fruit consumed either fresh or processed, therefore, fungicide misuse of grape has become an issue of global food safety and human health. Pyraclostrobin, and cyazofamid have been applied to grape frequently. RESULTS Here a simple QuEChERS (quick, easy, cheap, effective, rugged, and safe) liquid chromatography mass spectrometry technique has been developed and...
Mon, 09/23/2019 - 03:14
BACKGROUND Common oil‐in‐water plant‐based emulsions are allergenic and unstable to environmental stress, leading to increased consumer concerns about the food industry. To solve the problem of safety and instability, we investigated the influence of environmental stress on the stability of emulsions containing various rice protein hydrolysates, and compared the performance to whey protein, a...
Mon, 09/23/2019 - 03:14
BACKGROUND The possible agricultural use of grape pomace could be limited by the content and mobility of metals. This is influenced by many factors. In this study, the abundance and availability of heavy metals and essential nutrients were evaluated comprehensively in different grape pomace residues from winemaking of five white and red grape varieties, before and after the distillation process....
Mon, 09/23/2019 - 03:14
BACKGROUND Tomato fruit is susceptible to Alternaria spp. spoilage. Correct postharvest management is necessary to prevent mold growth and mycotoxin accumulation, temperature being one of the main factors associated with these problems. The effect of different postharvest temperatures (5, 12, 25, and 35 °C) on growth, mycotoxin production, and stress‐related gene expression by two Alternaria spp...
Mon, 09/23/2019 - 03:14
Pulsed electric field (PEF) treatment consists of exposing food to electrical fields between electrodes within a treatment chamber, which can improve the preservation of fresh‐like products such as milk. Although several studies support the use of PEF technology to process milk at low temperature, these studies reported microbial reductions of around 3 log10 cycles and also indicated a limited...
Mon, 09/23/2019 - 03:14
BACKGROUND Pyropia yezoensis, rich in porphyran, is a medicine‐edible red alga. In the present study, the physicochemical characteristics, conformational states and antitumor activities of a novel porphyran extracted from the high‐yield algal strain Pyropia yezoensis Chonsoo2 and its two degraded derivatives by gamma irradiation were investigated. RESULTS Pyropia yezoensis porphyran is a water‐...
Mon, 09/23/2019 - 03:14
BACKGROUND Slight acidic electrolyzed water (SAEW) has been widely used in cleaning systems of fruit and vegetables. It strongly reduces microbial contamination. However, no information is available on whether SAEW offers the potential for fresh jujube cleaning. The purposes of this study were first, to compare the effectiveness of SAEW with commercial sanitizers (i.e. NaClO or Ca(ClO)2) on ‘...

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