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Arash Tondhoosh, Aziz Homayouni Rad, Hamid Hosseinoghli
BACKGROUND: Individual factors, which interfere in the continuous churning, were manipulated to enhance the rheological properties and chemical composition of butter. This process leads to achieve softer; more spreadable, and ultimately healthier product for consumers. In addition it could prevent hardening of texture especially in winter. METHODS: Firstly, Pasteurized cream with different fat contents (40 & 45% fat) was passed through heat treatments, and then it was injected to a continuous churn...
October 13, 2016: Recent Patents on Food, Nutrition & Agriculture
Chiara Peila, Nikki E Emmerik, Marzia Giribaldi, Bernd Stahl, Joost E Ruitenberg, Ruurd M van Elburg, Guido E Moro, Enrico Bertino, Alessandra Coscia, Laura Cavallarin
OBJECTIVES: Pasteurization, performed at 62.5°C for 30 min (holder pasteurization), is currently recommended in all international human milk banks guidelines, but it affects some human milk bioactive and nutritive components. The present systematic review is aimed at critically reviewing evidence on the suitability of human milk processing techniques other than holder pasteurization, both thermal and non-thermal, to ensure microbiological safety, and on the effects of these techniques on biologically active donor milk components...
October 13, 2016: Journal of Pediatric Gastroenterology and Nutrition
Ting Meng, Maryanne T Perrin, Jonathan C Allen, Jason Osborne, Frances Jones, April D Fogleman
OBJECTIVE: To determine the impact of storage on bacterial growth and immunological activity of pasteurized human milk and leftover pasteurized human milk that has been exposed to the microflora in an infant's mouth. MATERIALS AND METHODS: Eighteen mother-infant dyads participated in two separate studies. Mother's milk was pasteurized, and each baby was fed 1 to 2 ounces. Pasteurized and leftover pasteurized milk were stored at room (24°C) and refrigerated temperatures (4°C)...
October 18, 2016: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
Alma Fernanda Sanchez-Maldonado, Mueen Aslam, Cara Service, Claudia Narváez-Bravo, Brent P Avery, Roger Johnson, Tineke H Jones
This study investigated the frequency of Salmonella serovars on pig carcasses at various processing steps in two commercial pork processing plants in Alberta, Canada and characterized phenotypic and genotypic antimicrobial resistance (AMR) and PFGE patterns of the Salmonella isolates. Over a one year period, 1000 swab samples were collected from randomly selected pigs at two slaughter plants. Sampling points were: carcass swabs after bleeding (CSAB), carcass swabs after de-hairing (CSAD, plant A) or skinning (CSASk, plant B), carcass swabs after evisceration (CSAE), carcass swabs after pasteurization (CSAP, plant A) or washing (CSAW, plants B) and retail pork (RP)...
October 7, 2016: International Journal of Food Microbiology
Nicole H Martin, Aljoša Trmčić, Tsung-Han Hsieh, Kathryn J Boor, Martin Wiedmann
Testing for coliforms has a long history in the dairy industry and has helped to identify raw milk and dairy products that may have been exposed to unsanitary conditions. Coliform standards are included in a number of regulatory documents (e.g., the U.S. Food and Drug Administration's Grade "A" Pasteurized Milk Ordinance). As a consequence, detection above a threshold of members of this method-defined, but diverse, group of bacteria can result in a wide range of regulatory outcomes. Coliforms are defined as aerobic or facultatively anaerobic, Gram negative, non-sporeforming rods capable of fermenting lactose to produce gas and acid within 48 h at 32-35°C; 19 genera currently include at least some strains that represent coliforms...
2016: Frontiers in Microbiology
A P Lee, D M Barbano, M A Drake
The cooling rate of raw milk may influence sensory properties and pasteurized shelf life. Under the Pasteurized Milk Ordinance for grade A milk, raw milk may be cooled instantaneously by on-farm heat exchangers but is also acceptable if "cooled to 10°C or less within four (4) hours of the commencement of the first milking." The objective of this study was to determine the effect of raw milk cooling on consumer perception and shelf life. Raw milk (18-21°C) was obtained and transported within 1 h of milking to North Carolina State University (Raleigh)...
October 13, 2016: Journal of Dairy Science
Corwin D Nelson, John D Lippolis, Timothy A Reinhardt, Randy E Sacco, Jessi L Powell, Mary E Drewnoski, Matthew O'Neil, Donald C Beitz, William P Weiss
The need for vitamin D supplementation of dairy cattle has been known for the better part of the last century and is well appreciated by dairy producers and nutritionists. Whether current recommendations and practices for supplemental vitamin D are meeting the needs of dairy cattle, however, is not well known. The vitamin D status of animals is reliably indicated by the concentration of the 25-hydroxyvitamin D [25(OH)D] metabolite in serum or plasma, with a concentration of 30 ng/mL proposed as a lower threshold for sufficiency...
October 13, 2016: Journal of Dairy Science
Giovanni Gasbarrini, Fiorenza Bonvicini, Annagiulia Gramenzi
Gut microbiota promotes healthy effects on the host and prevents diseases. Probiotic (probios, for life) are defined as "live microorganisms which when administered in adequate amounts confer a health benefit on the host." At the beginning of 1900s Louis Pasteur identified the microorganisms responsible for the process of fermentation, whereas E. Metchnikoff associated the enhanced longevity of Bulgarian rural people to the regular consumption of fermented dairy products such as yogurt. He suggested that lactobacilli might counteract the putrefactive effects of gastrointestinal metabolism that contributed to illness and aging...
November 2016: Journal of Clinical Gastroenterology
Lisa I Boitz, Helmut K Mayer
Time temperature integrators (TTIs) are useful tools in estimating the heat load applied on differently processed dairy products. The objective of this study was to analyze and assess three TTIs - lactulose, furosine, and acid-soluble β-lactoglobulin (β-Lg) - in 70 high heated dairy products at retail in Austria and Germany comprising whipping cream, coffee cream/milk, and condensed milk products. While β-Lg was not appropriate to evaluate the heat load of these products, furosine and especially lactulose increased with rising intensity of heat treatment, and are appropriate to distinguish between several heating categories analyzed...
2016: Dairy Science & Technology
Johannes Blümel, Didier Musso, Sebastian Teitz, Tomoyuki Miyabayashi, Klaus Boller, Barbara S Schnierle, Sally A Baylis
BACKGROUND: Zika virus (ZIKV) is an emerging mosquito-borne Flavivirus of major public health concern. The potential for ZIKV transmission by blood transfusion has been demonstrated; however, inactivation or removal of ZIKV during the manufacture of plasma-derived medicinal products has not been specifically investigated. STUDY DESIGN AND METHODS: Inactivation of ZIKV by pasteurization and solvent/detergent (S/D) treatment was investigated by spiking high-titer ZIKV stocks into human serum albumin and applying either heat or adding different mixtures of S/D reagents and assaying for infectious virus particles...
October 12, 2016: Transfusion
Arnold L Demain, Evan Martens
We are pleased to dedicate this paper to Dr Julian E Davies. Julian is a giant among microbial biochemists. He began his professional career as an organic chemistry PhD student at Nottingham University, moved on to a postdoctoral fellowship at Columbia University, then became a lecturer at the University of Manchester, followed by a fellowship in microbial biochemistry at Harvard Medical School. In 1965, he studied genetics at the Pasteur Institute, and 2 years later joined the University of Wisconsin in the Department of Biochemistry...
October 12, 2016: Journal of Antibiotics
Penelope H Dobrowsky, Sehaam Khan, Thomas E Cloete, Wesaal Khan
BACKGROUND: Legionella spp. employ multiple strategies to adapt to stressful environments including the proliferation in protective biofilms and the ability to form associations with free-living amoeba (FLA). The aim of the current study was to identify Legionella spp., Acanthamoeba spp., Vermamoeba (Hartmannella) vermiformis and Naegleria fowleri that persist in a harvested rainwater and solar pasteurization treatment system. METHODS: Pasteurized (45 °C, 65 °C, 68 °C, 74 °C, 84 °C and 93 °C) and unpasteurized tank water samples were screened for Legionella spp...
October 10, 2016: Parasites & Vectors
V Ntuli, P M K Njage, E M Buys
The current study was undertaken to characterize Escherichia coli and other Enterobacteriaceae in raw and pasteurized producer-distributor bulk milk (PDBM). A total of 258 samples were collected from purchase points in 8 provinces in South Africa. The samples were tested for antibiotic residues, phosphatase, total aerobic bacteria, coliforms, and E. coli counts. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry was used for identification of isolates. Escherichia coli isolates were characterized for virulence factors, antimicrobial resistance, serotypes, and presumptive E...
October 5, 2016: Journal of Dairy Science
Thuy Do
Technological advances in high throughput DNA sequencing have revolutionised microbiology and changed the concept of the pathogenic functions of microbes that persisted for almost two centuries, and was shaped by the germ theory established by Koch and Pasteur. The decreasing costs of next-generation sequencing have allowed more rigorous investigations and improved insight into diverse and complex microbial communities with increasing resolution, particularly through the use of culture-independent approaches...
October 8, 2016: Oral Diseases
R Donovan, S G Kelly, P Prazad, P N Talaty, C Lefaiver, M L Hastings, D N Everly
OBJECTIVE: To investigate the effects of fortification and storage on nutrients and properties of various human milk (HM) types. STUDY DESIGN: Mother's own milk (MOM) and pasteurized donor human milk (DHM; n=118) were analyzed pre- and post fortification with Enfamil and Similac human milk fortifier (EHMF and SHMF) before and after 24 h of refrigerated storage. RESULTS: Milk fortified with SHMF had significantly greater osmolality, pH and lipase activity than EHMF...
October 6, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
Hye Lim Jang, Jung Yoon Cho, Mi Jin Kim, Eun Jeong Kim, Eun Young Park, Sung Ae Park, In Young Kim, Yong Sung Choi, Chong Woo Bae, Sung Hoon Chung
Human milk banks are a solution for mothers who cannot supply their own breast milk to their sick or hospitalized infants; premature infants, in particular, are unable to receive a full volume of breast milk for numerous reasons. As of December 2015, there was only one milk bank in a university hospital in Korea. We reviewed the basic characteristics of donors and recipients, and the amounts and contamination of breast milk donated at the Human Milk Bank in Kyung Hee University Hospital at Gangdong in Korea from 2008 to 2015...
November 2016: Journal of Korean Medical Science
Monique Léchenne, Kemdongarti Naïssengar, Anthony Lepelletier, Idriss Oumar Alfaroukh, Hervé Bourhy, Jakob Zinsstag, Laurent Dacheux
BACKGROUND: One root cause of the neglect of rabies is the lack of adequate diagnostic tests in the context of low income countries. A rapid, performance friendly and low cost method to detect rabies virus (RABV) in brain samples will contribute positively to surveillance and consequently to accurate data reporting, which is presently missing in the majority of rabies endemic countries. METHODOLOGY/PRINCIPAL FINDINGS: We evaluated a rapid immunodiagnostic test (RIDT) in comparison with the standard fluorescent antibody test (FAT) and confirmed the detection of the viral RNA by real time reverse transcription polymerase chain reaction (RT-qPCR)...
October 2016: PLoS Neglected Tropical Diseases
Neil M Ferguson, Isabel Rodríguez-Barraquer, Ilaria Dorigatti, Luis Mier-Y-Teran-Romero, Daniel J Laydon, Derek A T Cummings
The first approved dengue vaccine has now been licensed in six countries. We propose that this live attenuated vaccine acts like a silent natural infection in priming or boosting host immunity. A transmission dynamic model incorporating this hypothesis fits recent clinical trial data well and predicts that vaccine effectiveness depends strongly on the age group vaccinated and local transmission intensity. Vaccination in low-transmission settings may increase the incidence of more severe "secondary-like" infection and, thus, the numbers hospitalized for dengue...
September 2, 2016: Science
Anette Bygum, Inmaculada Martinez-Saguer, Murat Bas, Jeffrey Rosch, Jonathan Edelman, Mikhail Rojavin, Debora Williams-Herman
BACKGROUND: Treatment of hereditary angioedema (HAE) in 'older adults' (those aged ≥65 years) has not been well studied. The international Berinert Patient Registry collected data on the use of intravenous plasma-derived, pasteurized, nanofiltered C1-inhibitor concentrate (pnfC1-INH; Berinert(®)/CSL Behring) in patients of any age, including many older adults. METHODS: This observational registry, conducted from 2010 to 2014 at 30 US and seven European sites, gathered prospective (post-enrollment) and retrospective (pre-enrollment) usage and adverse event (AE) data on subjects treated with pnfC1-INH...
October 4, 2016: Drugs & Aging
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