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Peanut butter

J L H Hans Evers
No abstract text is available yet for this article.
October 2016: Human Reproduction
Won-Jae Song, Dong-Hyun Kang
This study evaluated the efficacy of a 915 MHz microwave with 3 different electric power levels to inactivate three pathogens in peanut butter with different aw. Peanut butter inoculated with Escherichia coli O157:H7, Salmonella enterica serovar Typhimurium and Listeria monocytogenes (0.3, 0.4, and 0.5 aw) were treated with a 915 MHz microwave with 2, 4, and 6 kW for up to 5 min. Six kW 915 MHz microwave treatment for 5 min reduced these three pathogens by 1.97 to >5.17 log CFU/g. Four kW 915 MHz microwave processing for 5 min reduced these pathogens by 0...
December 2016: Food Microbiology
Alice E W Hoyt, Larry Borish, José Gurrola, Spencer Payne
This article reviews the history of allergic fungal rhinosinusitis and the clinical, pathologic, and radiographic criteria necessary to establish its diagnosis and differentiate this disease from other types of chronic rhinosinusitis. Allergic fungal rhinosinusitis is a noninvasive fungal form of sinus inflammation characterized by an often times unilateral, expansile process in which the typical allergic "peanut-butter-like" mucin contributes to the formation of nasal polyps, hyposmia/anosmia, and structural changes of the face...
July 2016: Journal of Allergy and Clinical Immunology in Practice
Alexandra B Morshed, Haley V Becker, Jacques Raymond Delnatus, Patricia B Wolff, Lora L Iannotti
OBJECTIVE: The primary aim was to examine the association of socio-economic factors and diet with overweight (including obesity) among school-aged children in Haiti. The secondary aim was to describe food availability and the physical activity built environment in participating schools. DESIGN: This cross-sectional study examined baseline data from the intervention Mamba study assessing the effectiveness of a fortified peanut butter paste in school-aged children...
July 4, 2016: Public Health Nutrition
Matthew R Desrosiers, Pamela J Weathers
ETHNOPHARMACOLOGICAL RELEVANCE: Artemisia annua L. produces the antimalarial sesquiterpene lactone, artemisinin (AN), and was traditionally used by the Chinese to treat fever, which was often caused by malaria. AIM OF THE STUDY: To measure effects of plant-based and dietary components on release of artemisinin and flavonoids from A. annua dried leaves (DLA) after simulated digestion. MATERIALS AND METHODS: Simulated digestion was performed on DLA in four types of capsules, or in conjunction with protein, and protein-based foods: dry milk, casein, bovine serum albumin, peanuts, peanut butter, Plumpy'nut(®), and A...
August 22, 2016: Journal of Ethnopharmacology
Patrick Bird, Jonathan Flannery, Erin Crowley, James R Agin, David Goins, Lisa Monteroso
The 3M™ Molecular Detection Assay (MDA) 2 - Salmonella uses real-time isothermal technology for the rapid and accurate detection of Salmonella spp. from enriched select food, feed, and food-process environmental samples. The 3M MDA 2 - Salmonella was evaluated in a multilaboratory collaborative study using an unpaired study design. The 3M MDA 2 - Salmonella was compared to the U.S. Food and Drug Administration Bacteriological Analytical Manual Chapter 5 reference method for the detection of Salmonella in creamy peanut butter, and to the U...
July 2016: Journal of AOAC International
Samuel M C Njoroge, Limbikani Matumba, Kennedy Kanenga, Moses Siambi, Farid Waliyar, Joseph Maruwo, Emmanuel S Monyo
A 3-year comprehensive analysis of aflatoxin contamination in peanut butter was conducted in Zambia, sub-Saharan Africa. The study analyzed 954 containers of 24 local and imported peanut butter brands collected from shops in Chipata, Mambwe, Petauke, Katete, and Nyimba districts and also in Lusaka from 2012 to 2014. For analysis, a sample included six containers of a single brand, from the same processing batch number and the same shop. Each container was quantitatively analyzed for aflatoxin B1 (AFB1) in six replicates by using competitive enzyme-linked immunosorbent assay; thus, aflatoxin contamination level of a given sample was derived from an average of 36 test values...
May 2016: Journal of Food Protection
Philippe Bégin, François Graham, Kerstin Killer, Jean Paradis, Louis Paradis, Anne Des Roches
BACKGROUND: The prevalence of peanut allergy in younger siblings of children with peanut allergy has been reported between 7 to 8.5%, but the anaphylactic risk at time of introduction is currently unknown, which limits our ability to best counsel parents on this issue. OBJECTIVE: To determine the risk of anaphylaxis and working parameters of allergy testing in this context. METHODS: 154 peanut-naïve younger siblings of peanut allergic children underwent double-blinded skin testing, followed by parent-led peanut introduction...
June 13, 2016: Allergy
Dayeon Ryu, Bogyoung Choi, Nayoung Kim, Eunmi Koh
Ethyl carbamate (EC) is formed through a reaction between ethanol and either cyanate or N-carbamyl compounds. This study aimed to develop and validate analytical methods for EC determination in nine food matrices: apple juice, soju, milk, corn oil, rice porridge, peanut butter, beef, flat fish, and sea mustard. Differences from AOAC procedure were use of d5-EC as internal standard, dilution of alcohol content, removal of lipophilic compounds by hexane, and removal of hydrophilic polysaccharides by gel-forming...
November 15, 2016: Food Chemistry
Mark R Wilson, Eric Brown, Chris Keys, Errol Strain, Yan Luo, Tim Muruvanda, Christopher Grim, Junia Jean-Gilles Beaubrun, Karen Jarvis, Laura Ewing, Gopal Gopinath, Darcy Hanes, Marc W Allard, Steven Musser
Establishing an association between possible food sources and clinical isolates requires discriminating the suspected pathogen from an environmental background, and distinguishing it from other closely-related foodborne pathogens. We used whole genome sequencing (WGS) to Salmonella subspecies enterica serotype Tennessee (S. Tennessee) to describe genomic diversity across the serovar as well as among and within outbreak clades of strains associated with contaminated peanut butter. We analyzed 71 isolates of S...
2016: PloS One
Vlad Mureșan, Sabine Danthine, Andruța Elena Mureșan, Emil Racolța, Christophe Blecker, Sevastița Muste, Carmen Socaciu, Vincent Baeten
A new near-infrared (NIR) spectroscopic method was developed for the analytical measurement of lipid oxidation in sunflower kernel paste (tahini), which was chosen as an example of a complex oilseed-based food product. The NIR spectra of sunflower tahini were acquired for the extracted fat phase (EFP) and for the intact sunflower tahini (IST) samples during controlled storage. The best peroxide value (PV) calibration models were considered suitable for quality control (ratio of performance of deviation [RPD]>5)...
August 1, 2016: Talanta
Sangeeta Jaiswal, Prakash Kumar Sahoo, Daniel Ryan, Jugal Kishore Das, Eesha Chakraborty, Nirmal Kumar Mohakud, Mrutyunjay Suar
Salmonella enterica serovars Enteritidis (S. Enteritidis) is one of the most common causes of food borne illness. Bacterial growth environment plays an important role in regulating gene expression thereby affecting the virulence profile of the bacteria. Different foods present diverse growth conditions which may affect the pathogenic potential of the bacteria. In the present study, the effect of food environments on the pathogenic potential of S. Enteritidis has been evaluated. S. Enteritidis was grown in different foods e...
August 2, 2016: International Journal of Food Microbiology
Angie M Boyce
This article uses a historical controversy over the U.S. Food and Drug Administration's standard of identity for peanut butter as a site for investigating three topics of high importance for historians of technology, consumption, and food activism: how new industrial food-processing technologies have become regulatory problems; how government, industry, and consumer actors negotiate standards development; and how laypeople try to shape technological artifacts in spaces dominated by experts. It examines the trajectory of consumer activist Ruth Desmond, co-founder of the organization the Federation of Homemakers...
2016: Technology and Culture
Michael Johns, Sakineh Esmaeili Mohsen Abadi, Nehal Malik, Joshua Lee, William L Neumann, Smita Rausaria, Maryam Imani-Nejad, Timothy McPherson, Joseph Schober, Guim Kwon
Peroxynitrite has been implicated in type 2 diabetes and diabetic complications. As a follow-up study to our previous work on SR-135 (Arch Biochem Biophys 577-578: 49-59, 2015), we provide evidence that this series of compounds are effective when administered orally, and their mechanisms of actions extend to the peripheral tissues. A more soluble analogue of SR-135, SR-110 (from a new class of Mn(III) bis(hydroxyphenyl)-dipyrromethene complexes) was orally administered for 2 weeks to B6D2F1 mice fed a high fat-diet (HFD)...
April 15, 2016: Archives of Biochemistry and Biophysics
Y A K Klu, J Chen
AIMS: This study observed the behaviour of probiotics and selected bacterial pathogens co-inoculated into peanut butter during gastrointestinal simulation. METHODS AND RESULTS: Peanut butter homogenates co-inoculated with Salmonella/Listeria strains (5 log CFU ml(-1) ) and lyophilized or cultured probiotics (9 log CFU ml(-1) ) were exposed to simulated gastrointestinal conditions for 24 h at 37°C. Sample pH, titratable acidity and pathogen populations were determined...
April 2016: Journal of Applied Microbiology
N H Mohd Rozalli, N L Chin, Y A Yusof, N Mahyudin
The storage stability of preservative-free peanut butter was evaluated for changes in physicochemical quality including moisture content and water activity, microbiological properties, oxidative stability and textural quality in terms of spreadability and firmness. The study was conducted for 16 weeks at storage temperature of 10, 25 and 35 °C on natural and pure peanut butter produced from two varieties of peanuts, the Virginia and Spanish TMV-2 varieties of China and India origin, respectively. The peanuts were ground using a high speed grinder for 2...
January 2016: Journal of Food Science and Technology
Stef J Koppelman, Gülsen Söylemez, Lynn Niemann, Ferdelie E Gaskin, Joseph L Baumert, Steve L Taylor
Small amounts of sesame can trigger allergic reactions in sesame-allergic patients. Because sesame is a widely used food ingredient, analytical methods are needed to support quality control and food safety programs in the food industry. In this study, polyclonal antibodies against sesame seed proteins were raised, and an enzyme-linked immunosorbent assay (ELISA) was developed for the detection and quantification of sesame seed residue in food. A comparison was made between this ELISA and other assays, particularly focusing on recovery of sesame seed residue from different food matrices...
2015: BioMed Research International
Won-Jae Song, Dong-Hyun Kang
This study evaluated the efficacy of a 915 MHz microwave with 3 different levels to inactivate 3 serovars of Salmonella in peanut butter. Peanut butter inoculated with Salmonella enterica serovar Senftenberg, S. enterica serovar Typhimurium and S. enterica serovar Tennessee were treated with a 915 MHz microwave with 2, 4 and 6 kW and acid and peroxide values and color changes were determined after 5 min of microwave heating. Salmonella populations were reduced with increasing treatment time and treatment power...
February 2016: Food Microbiology
Lea Ann Holzmeister
No abstract text is available yet for this article.
September 2015: Diabetes Self-management
Hyeock Yoon, Jung Hyuck Park, Ari Choi, Han-Joon Hwang, Jae-Hyung Mah
An HPLC analytical method was validated for the quantitative determination of biogenic amines in agricultural products. Four agricultural foods, including apple juice, Juk, corn oil and peanut butter, were selected as food matrices based on their water and fat contents (i.e., non-fatty liquid, non-fatty solid, fatty liquid and fatty solid, respectively). The precision, accuracy, recovery, limit of detection (LOD) and quantification (LOQ) were determined to test the validity of an HPLC procedure for the determination of biogenic amines, including tryptamine, β-phenylethylamine, putrescine, cadaverine, histamine, tyramine, spermidine and spermine, in each matrix...
September 2015: Toxicological Research
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