Jinru Chen
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View article: Impact of Food Matrices and Dynamic Gastrointestinal Conditions on Survival of Lactobacillus Rhamnosus GG Encapsulated by Chitosan-Coated Alginate Beads
Impact of Food Matrices and Dynamic Gastrointestinal Conditions on Survival of Lactobacillus Rhamnosus GG Encapsulated by Chitosan-Coated Alginate Beads Open
Probiotics, such as Lactobacillus rhamnosus GG (LRGG), provide numerous health benefits, but their viability is challenged by harsh gastrointestinal (GI) conditions. En-capsulation is a promising approach to enhance probiotic stability; ho…
View article: Comparative efficacies of calcium hypochlorite and peroxyacetic acid treatments in inactivating Salmonella enterica on alfalfa seeds and sprouts
Comparative efficacies of calcium hypochlorite and peroxyacetic acid treatments in inactivating Salmonella enterica on alfalfa seeds and sprouts Open
Alfalfa sprouts have been linked to outbreaks of gastrointestinal infections worldwide, and control of Salmonella has been a challenge to the sprout industry. This study examined the efficacy of calcium hypochlorite and peroxyacetic acid t…
View article: The Efficacy of Calcium Hypochlorite and Peroxyacetic Acid Treatments in Inactivating Enterohemorrhagic Escherichia coli on Alfalfa Seeds and Sprouts
The Efficacy of Calcium Hypochlorite and Peroxyacetic Acid Treatments in Inactivating Enterohemorrhagic Escherichia coli on Alfalfa Seeds and Sprouts Open
For several decades, recurring outbreaks of human gastrointestinal infections associated with contaminated sprouts have posed an enduring challenge, highlighting the necessity of controlling the etiological agents on contaminated sprout se…
View article: Hygiene Status of Over-the-Row Blueberry Machine Harvesters Cleaned and Sanitized Using Various Approaches
Hygiene Status of Over-the-Row Blueberry Machine Harvesters Cleaned and Sanitized Using Various Approaches Open
Contamination of fresh blueberries via contact with an equipment surface is an important food hygiene/safety issue. In this study, four and six over-the-row blueberry machine harvesters in Georgia or Oregon were each sampled twice on two d…
View article: Inhibition of Salmonella enterica and Enterohemorrhagic Escherichia coli by Ethanolic Extracts of Pomegranate Peels
Inhibition of Salmonella enterica and Enterohemorrhagic Escherichia coli by Ethanolic Extracts of Pomegranate Peels Open
This study compared the effect of phenolics extracted from four different types of pomegranate peels for controlling the growth of Salmonella enterica and enterohemorrhagic Escherichia coli. Cells of the two bacterial cultures (5 log CFU/m…
View article: Genes of Salmonella enterica Serovar Enteritidis Involved in Biofilm Formation
Genes of Salmonella enterica Serovar Enteritidis Involved in Biofilm Formation Open
Although biofilms contribute to bacterial tolerance to desiccation and survival in low-moisture foods, the molecular mechanisms underlying biofilm formation have not been fully understood. This study created a mutant library from Salmonell…
View article: Formation/Removal of Biofilms on/from Coupons of Selected Food-Grade Elastomeric Polymers vs. Plexiglass Used for the Fruit-Catching Plates of OTR Blueberry Machine Harvesters
Formation/Removal of Biofilms on/from Coupons of Selected Food-Grade Elastomeric Polymers vs. Plexiglass Used for the Fruit-Catching Plates of OTR Blueberry Machine Harvesters Open
To reduce the bruising potential of machine-harvested fresh blueberries, manufacturers of over-the-row (OTR) machine harvesters are replacing the hard, plexiglass fruit-catching plates with soft, elastomeric polymers. This study assessed w…
View article: Ellagitannin content and anti-enterohemorrhagic Escherichia coli activity of aqueous extracts derived from commercial pomegranate products
Ellagitannin content and anti-enterohemorrhagic Escherichia coli activity of aqueous extracts derived from commercial pomegranate products Open
This study compared the efficacy of aqueous extracts of commercially available pomegranate peel products and a juice powder in inhibiting the growth of two enterohemorrhagic Escherichia coli strains. Cell suspension of each E. coli strain …
View article: Microencapsulated polyphenol extracts from Georgia‐grown pomegranate peels delay lipid oxidation in salad dressing during accelerated and ambient storage conditions
Microencapsulated polyphenol extracts from Georgia‐grown pomegranate peels delay lipid oxidation in salad dressing during accelerated and ambient storage conditions Open
Lipid oxidation is a major cause of quality deterioration in salad dressings. This study evaluated the effect of incorporating microencapsulated polyphenol extracts via spray drying from pomegranate peels (MPP) to delay lipid oxidation in …
View article: Analysis of nonconforming IFE methods and a new scheme for elliptic interface problems
Analysis of nonconforming IFE methods and a new scheme for elliptic interface problems Open
In this paper, an important discovery has been found for nonconforming immersed finite element (IFE) methods using the integral values on edges as degrees of freedom for solving elliptic interface problems. We show that those IFE methods w…
View article: Microbial Load of Fresh Blueberries Harvested by Different Methods
Microbial Load of Fresh Blueberries Harvested by Different Methods Open
Currently, more and more growers are transitioning to the use of over-the-row machine harvesters for harvesting fresh market blueberries. This study assessed the microbial load of fresh blueberries harvested by different methods. Samples (…
View article: Efficacy of Ascaroside #18 Treatments in Control of Salmonella enterica on Alfalfa and Fenugreek Seeds and Sprouts
Efficacy of Ascaroside #18 Treatments in Control of Salmonella enterica on Alfalfa and Fenugreek Seeds and Sprouts Open
A novel, natural, and effective antimicrobial intervention is in demand for improving the microbial safety of vegetable seeds/sprouts. This study assessed the efficacy of ascaroside treatment in the control of Salmonella enterica on alfalf…
View article: Microbial load on fresh peaches and hand gloves collected from selected packing facilities in Georgia
Microbial load on fresh peaches and hand gloves collected from selected packing facilities in Georgia Open
Duplicate peach samples were collected from the dumping and weighing areas of four fresh peach packing lines in Georgia at 0, 3, and 6 h into the packing process on 3 random packing days per operation in the summers of 2018 and 2019, along…
View article: Relative Cleanability and Sanitization of Blueberry Mechanical Harvester Surfaces
Relative Cleanability and Sanitization of Blueberry Mechanical Harvester Surfaces Open
Berry crops are increasingly being harvested mechanically to reduce labor costs, but there is a lack of research on best practices for cleaning and sanitizing of mechanical harvesters to maintain proper food hygiene. Laboratory experiments…
View article: An extended mixed finite element method for elliptic interface problems
An extended mixed finite element method for elliptic interface problems Open
Bibliography files for ''An extended mixed finite element method for elliptic interface problems'' to be published in Computers and Mathematics with Applications.
View article: An extended mixed finite element method for elliptic interface problems
An extended mixed finite element method for elliptic interface problems Open
In this paper, we propose an extended mixed finite element method for elliptic interface problems. By adding some stabilization terms, we present a mixed approximation form based on Brezzi-Douglas-Marini element space and the piecewise con…
View article: Effect of Pre-Exposure to Chlorine Dioxide on the Susceptibility of Fecal Coliforms to Antibiotics
Effect of Pre-Exposure to Chlorine Dioxide on the Susceptibility of Fecal Coliforms to Antibiotics Open
Adaptive exposure to sub-lethal concentrations of sanitizers was previously reported to offer cross-protection to bacteria against antibiotics. This study was undertaken to determine whether the pre-exposure of fecal coliforms to suboptima…
View article: Validating the Efficacy of Sanitation Methods Commonly Used by Ghanaian Households in Inactivating Artificially Inoculated Salmonella enterica on Leafy Green Vegetables
Validating the Efficacy of Sanitation Methods Commonly Used by Ghanaian Households in Inactivating Artificially Inoculated Salmonella enterica on Leafy Green Vegetables Open
Our previous survey revealed the poor microbial quality of leafy green vegetables and the presence of Salmonella on these vegetables grown and sold in Accra, Ghana. This study validated the efficacy of some cleaning and sanitation methods …
View article: Environmental and Fecal Indicator Organisms on Fruit Contact Surfaces and Fruit from Blueberry Mechanical Harvesters
Environmental and Fecal Indicator Organisms on Fruit Contact Surfaces and Fruit from Blueberry Mechanical Harvesters Open
Although previous studies have examined microbial loads on food contact surfaces in blueberry packing plants, there is currently no information regarding microbial risks associated with mechanical berry harvesters used in commercial bluebe…
View article: Inhibitory activity of aqueous extracts of pomegranate peel products and juice powder against Salmonella enterica
Inhibitory activity of aqueous extracts of pomegranate peel products and juice powder against Salmonella enterica Open
Pomegranate peel contains high amounts of polyphenols that could potentially be used as natural preservatives. This study evaluated the inhibitory effect of aqueous extracts of three commercial powdered peels, a whole peel, and a juice pow…
View article: Developing microencapsulated powders containing polyphenols and pectin extracted from Georgia-grown pomegranate peels
Developing microencapsulated powders containing polyphenols and pectin extracted from Georgia-grown pomegranate peels Open
This study aimed to determine the feasibility of producing polyphenol (PPP) and pectin powders (PPE) from Georgia-grown pomegranate peels and to develop microencapsulated PPP (MPPP) powders. PPP and PPE were solvents extracted and characte…
View article: Analysis of nonconforming IFE methods and a new scheme for elliptic interface problems
Analysis of nonconforming IFE methods and a new scheme for elliptic interface problems Open
In this paper, an important discovery has been found for nonconforming immersed finite element (IFE) methods using the integral values on edges as degrees of freedom for solving elliptic interface problems. We show that those IFE methods w…
View article: A new parameter free partially penalized immersed finite element and the optimal convergence analysis
A new parameter free partially penalized immersed finite element and the optimal convergence analysis Open
This paper presents a new parameter free partially penalized immersed finite element method and convergence analysis for solving second order elliptic interface problems. A lifting operator is introduced on interface edges to ensure the co…