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https://www.readbyqxmd.com/read/28941895/microbiological-stabilization-of-tiger-nuts-milk-beverage-using-ultra-high-pressure-homogenization-a-preliminary-study-on-microbial-shelf-life-extension
#1
I Codina-Torrella, B Guamis, A Zamora, J M Quevedo, A J Trujillo
Tiger nuts' milk beverages are highly perishable products. For this reason, the interest of food industry for their commercialization makes necessary the application of preservation treatments to prolong their shelf-life. In the current study, the effect of ultra-high pressure homogenization (UHPH) on the microbiological and sensory qualities of tiger nuts' milk beverage was evaluated. Characteristics of UHPH-treated products (at 200 and 300 MPa, with inlet temperature of 40 °C) were compared with those of raw (RP) and conventionally homogenized-pasteurized (H-P) beverages, after treatment and during cold storage at 4 °C...
February 2018: Food Microbiology
https://www.readbyqxmd.com/read/28940514/fortified-tuna-bone-powder-supplementation-increases-bone-mineral-density-of-lactating-rats-and-their-offspring
#2
Panan Suntornsaratoon, Narattaphol Charoenphandhu, Nateetip Krishnamra
BACKGROUND: Breastfeeding leads to bone calcium loss for milk production, resulting in progressive maternal osteopenia. Calcium supplement from natural sources has been postulated to be more beneficial to bone health than purified CaCO3 because natural sources also contain other nutrients such as certain amino acids that might enhance calcium metabolism. Herein, we examined the effect of calcium supplementation from tuna bone powder and CaCO3 on bones of dams and the offspring. RESULTS: Both forms of calcium supplement, i...
September 22, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28940511/climate-mitigation-by-dairy-intensification-depends-on-intensive-use-of-spared-grassland
#3
David Styles, Alejandra Gonzalez-Mejia, Jon Moorby, Andreas Foskolos, James Gibbons
Milk and beef production cause 9% of global greenhouse gas (GHG) emissions. Previous life cycle assessment (LCA) studies have shown that dairy intensification reduces the carbon footprint of milk by increasing animal productivity and feed conversion efficiency. None of these studies simultaneously evaluated indirect GHG effects incurred via teleconnections with expansion of feed crop production and replacement suckler-beef production. We applied consequential LCA to incorporate these effects into GHG mitigation calculations for intensification scenarios among grazing-based dairy farms in an industrialized country (UK), in which milk production shifts from average to intensive farm typologies, involving higher milk yields per cow and more maize and concentrate feed in cattle diets...
September 21, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28935851/comparative-analysis-of-the-microbial-communities-in-raw-milk-produced-in-different-regions-of-korea
#4
In Seon Kim, Yoo Kyung Hur, Eun Ji Kim, Young-Tae Ahn, Jong Geun Kim, Yun-Jaie Choi, Chul Sung Huh
Objective: The control of psychrotrophic bacteria bringing about the milk spoilage and the illness by toxic compounds is an important issue in the dairy industry. In South Korea, Gangwon-do province is one of the coldest mountain terrain in which eighty percent of the areas are mountainous regions, and mainly play an important role in agriculture and dairy industry. The purposes of this study were to analyze the indigenous microbiota of raw milk in Gangwon-do and accurately investigate a putative microbial group causing milk quality to be deteriorated...
September 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28933602/lactoferrin-structure-function-denaturation-and-digestion
#5
Bo Wang, Yakindra Prasad Timilsena, Ewan Blanch, Benu Adhikari
Lactoferrin (LF) is a multifunctional protein occurring in many biological secretions including milk. It possesses iron binding/transferring, antibacterial, antiviral, antifungal, anti-inflammatory and anti-carcinogenic properties. These functional properties intimately depend on the structural integrity of LF especially its higher order conformation. LF is primarily extracted from bovine milk and it is subsequently added into many commercial products such as nutritional supplements, infant formula, cosmetics and toothpaste...
September 21, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28918149/predicting-methane-emissions-of-lactating-danish-holstein-cows-using-fourier-transform-mid-infrared-spectroscopy-of-milk
#6
N Shetty, G Difford, J Lassen, P Løvendahl, A J Buitenhuis
Enteric methane (CH4), a potent greenhouse gas, is among the main targets of mitigation practices for the dairy industry. A measurement technique that is rapid, inexpensive, easy to use, and applicable at the population level is desired to estimate CH4 emission from dairy cows. In the present study, feasibility of milk Fourier transform mid-infrared (FT-IR) spectral profiles as a predictor for CH4:CO2 ratio and CH4 production (L/d) is explained. The partial least squares regression method was used to develop the prediction models...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28918147/invited-review-effects-of-heat-stress-on-dairy-cattle-welfare
#7
Liam Polsky, Marina A G von Keyserlingk
The effects of high ambient temperatures on production animals, once thought to be limited to tropical areas, has extended into northern latitudes in response to the increasing global temperature. The number of days where the temperature-humidity index (THI) exceeds the comfort threshold (>72) is increasing in the northern United States, Canada, and Europe. Compounded by the increasing number of dairy animals and the intensification of production, heat stress has become one of the most important challenges facing the dairy industry today...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28918144/short-communication-molecular-epidemiology-of-streptococcus-agalactiae-differs-between-countries
#8
J Reyes, M Chaffer, Juan Carlos Rodriguez-Lecompte, Javier Sánchez, Ruth N Zadoks, Natasha Robinson, Ximena Cardona, N Ramírez, G P Keefe
Group B Streptococcus or Streptococcus agalactiae continue to be challenging for milk quality programs in countries with emerging dairy industries, such as Colombia, where high prevalence has been reported. Molecular typing of isolates is needed to understand the variability and epidemiology of this pathogen and to develop effective control and eradication programs. We characterized the molecular profile of Strep. agalactiae isolated from cows with subclinical mastitis in 21 Colombian dairy herds and measured diversity within and between herds using multilocus sequence typing...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28918140/technical-note-feasibility-of-near-infrared-transmittance-spectroscopy-to-predict-cheese-ripeness
#9
S Currò, C L Manuelian, M Penasa, M Cassandro, M De Marchi
The aim of the study was to evaluate the feasibility of near infrared (NIR) transmittance spectroscopy to predict cheese ripeness using the ratio of water-soluble nitrogen (WSN) to total nitrogen (TN) as an index of cheese maturity (WSN/TN). Fifty-two Protected Designation of Origin cow milk cheeses of 5 varieties (Asiago, Grana Padano, Montasio, Parmigiano Reggiano, and Piave) and different ripening times were available for laboratory and chemometric analyses. Reference measures of WSN and TN were matched with cheese spectral information obtained from ground samples by a NIR instrument that operated in transmittance mode for wavelengths from 850 to 1,050 nm...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28903872/prevalence-of-subclinical-mastitis-and-associated-risk-factors-at-cow-and-herd-level-in-dairy-farms-in-north-west-ethiopia
#10
S A Mekonnen, G Koop, S T Melkie, C D Getahun, H Hogeveen, T J G M Lam
Knowledge of mastitis pathogens and their predominance as well as understanding of risk factors are prerequisites to improve udder health in a herd, region or country. In Ethiopia, such information is scarce, despite the fact that mastitis is an important cattle disease in the country. A cross-sectional study that describes prevalence and causative agents of subclinical mastitis (SCM) as well as risk factors at cow and herd level was conducted on 167 dairy farms in North-West Ethiopia. On average, 33% of the quarters and 62% of the cows were California Mastitis Test (CMT) positive, but the within herd quarter level prevalence ranged between 0 and 100%...
September 15, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28903176/assessment-of-pcbs-and-exposure-risk-to-infants-in-breast-milk-of-primiparae-and-multiparae-mothers-in-an-electronic-waste-hot-spot-and-non-hot-spot-areas-in-ghana
#11
Anita Asamoah, David Kofi Essumang, Jens Muff, Sergey V Kucheryavskiy, Erik Gydesen Søgaard
The aim of the study was to assess the levels of PCBs in the breast milk of some Ghanaian women at suspected hotspot and relatively non-hotspot areas and to find out if the levels of these PCBs pose any risk to the breastfed infants. A total of 128 individual human breast milk were sampled from both primiparae and multiparae mothers. The levels of PCBs in the milk samples were compared. Some of these mothers (105 individuals) work or reside in and around Agbogbloshie (hot-spot), the largest electric and electronic waste dump and recycling site in Accra, Ghana...
September 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28902319/-performance-based-regulation-a-strategy-to-increase-breastfeeding-rates
#12
Fernanda Cobo-Armijo, Sofía Charvel, Mauricio Hernández-Ávila
The decreasing breastfeeding rate in México is of public health concern. In this paper we discus an innovative regulatory approach -Performance Based Regulation- and its application to improve breastfeeding rates. This approach, forces industry to take responsibility for the lack of breastfeeding and its consequences. Failure to comply with this targets results in financial penalties. Applying performance based regulation as a strategy to improve breastfeeding is feasible because: the breastmilk substitutes market is an oligopoly, hence it is easy to identify the contribution of each market participant; the regulation's target population is clearly defined; it has a clear regulatory standard which can be easily evaluated, and sanctions to infringement can be defined under objective parameters...
May 2017: Salud Pública de México
https://www.readbyqxmd.com/read/28892140/biofilm-formation-and-its-relationship-with-the-molecular-characteristics-of-food-related-methicillin-resistant-staphylococcus-aureus-mrsa
#13
Alberto Vergara, Giovanni Normanno, Pierluigi Di Ciccio, Francesca Pedonese, Roberta Nuvoloni, Antonio Parisi, Gianfranco Santagada, Angelo Colagiorgi, Emanuela Zanardi, Sergio Ghidini, Adriana Ianieri
The capability to produce biofilm is an important persistence and dissemination mechanism of some foodborne bacteria. This paper investigates the relationship between some molecular characteristics (SCCmec, ST, spa-type, agr-type, cna, sarA, icaA, icaD, clfA, fnbA, fnbB, hla, hlb) of 22 food-related methicillin-resistant Staphylococcus aureus (MRSA) strains and their ability to form biofilm on stainless steel and polystyrene. Five (22.7%, 5/22) strains were able to synthesize biofilm on polystyrene, and one of these (4...
September 11, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28881314/analytical-characterization-of-human-milk-oligosaccharides-potential-applications-in-pharmaceutical-analysis
#14
REVIEW
Márkó Grabarics, Orsolya Csernák, Réka Balogh, Szabolcs Béni
Human breast milk is the gold standard for infant feeding and the best possible nourishment a new-born could have. Breastfeeding is the natural way to provide optimal nutritional, immunological and emotional nurturing for the healthy growth and development of infants. Human milk is a complex and dynamic biofluid comprised of many hundreds to thousands of distinct bioactive structures, among which one of the most abundant substances are the non-conjugated complex carbohydrates referred to as human milk oligosaccharides (HMOs)...
August 31, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28880934/dna-methylation-patterns-and-gene-expression-associated-with-litter-size-in-berkshire-pig-placenta
#15
Jung Hye Hwang, Sang Mi An, Seulgi Kwon, Da Hye Park, Tae Wan Kim, Deok Gyeong Kang, Go Eun Yu, Il-Suk Kim, Hwa Chun Park, Jeongim Ha, Chul Wook Kim
Increasing litter size is of great interest to the pig industry. DNA methylation is an important epigenetic modification that regulates gene expression, resulting in livestock phenotypes such as disease resistance, milk production, and reproduction. We classified Berkshire pigs into two groups according to litter size and estimated breeding value: smaller (SLG) and larger (LLG) litter size groups. Genome-wide DNA methylation and gene expression were analyzed using placenta genomic DNA and RNA to identify differentially methylated regions (DMRs) and differentially expressed genes (DEGs) associated with litter size...
2017: PloS One
https://www.readbyqxmd.com/read/28879447/lactic-acid-bacteria-isolated-from-yak-milk-show-probiotic-potential
#16
Manpreet Kaur, Harjodh Singh, Manoj Jangra, Lakhwinder Kaur, Pallavi Jaswal, Chetna Dureja, Hemraj Nandanwar, Saumya Ray Chaudhuri, Manoj Raje, Sunita Mishra, Anil Kumar Pinnaka
Probiotic industries strive for new, efficient and promising probiotic strains that impart a positive impact on consumer health. Challenges are persisting in isolation, screening, and selection of the new indigenous probiotic strains. In the present research, we explored the probiotic potential of 17 lactic acid bacteria isolated from Yak milk in a series of in vitro tests. We also demonstrated their health benefits, i.e., cholesterol degradation, lactose digestion, antimicrobial activity, antioxidant, and anticancer activities...
September 6, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28873737/an-integrated-strategy-to-discover-lactobacillus-casei-group-strains-for-their-potential-use-as-aromatic-starters
#17
Elena Bancalari, Maria Luisa Savo Sardaro, Alessia Levante, Angela Marseglia, Augusta Caligiani, Camilla Lazzi, Erasmo Neviani, Monica Gatti
Lactic acid bacteria are commonly used in dairy industries to acidify milk and to enhance the flavour of the end products thanks to their metabolisms. The formation routes of aroma compounds mainly rely on the specific ability of different species and strains to convert precursors derived from carbohydrate and amino acids catabolism. It is well known that the strains largely involved in the aroma formation of the very appreciated Italian long ripened cheeses belong to the Lactobacillus casei group and origin from raw milk...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28873726/effect-of-high-pressure-treatments-on-proteolysis-volatile-compounds-texture-colour-and-sensory-characteristics-of-semi-hard-raw-ewe-milk-cheese
#18
Marta Ávila, Natalia Gómez-Torres, David Delgado, Pilar Gaya, Sonia Garde
High pressure (HP) offers potential industrial applications in cheese preservation, but it is essential to provide knowledge concerning their effects on the ripening process and sensory characteristics. In this study, we investigated the effect of different HP treatments (200-500MPa at 14°C for 10min on day 7) on proteolysis, texture, colour, volatile compounds and sensory characteristics of semi-hard raw ewe milk cheese. HP treatments did not affect pH or dry matter values of 60-day-old cheeses. Treatments at pressure levels up to 400MPa led to significant (P<0...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28863970/characterization-of-an-antimicrobial-substance-produced-by-lactobacillus-plantarum-ntu-102
#19
Tzu-Hsing Lin, Tzu-Ming Pan
BACKGROUND/PURPOSE: Lactic acid bacteria (LAB) are used in a variety of bio-industrial processes, including milk fermentation, and have been reported to have bactericidal activities. We previously isolated Lactobacillus plantarum NTU 102 from homemade Korean-style cabbage pickles. The aims of this work were to perform a screen of the antimicrobial substances produced by L. plantarum NTU 102 and to characterize it. METHODS: In this study, we investigated the bactericidal activity of this LAB strain and demonstrated that the cell-free supernatant of L...
August 29, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28858242/effect-of-processing-intensity-on-immunologically-active-bovine-milk-serum-proteins
#20
Tabea Brick, Markus Ege, Sjef Boeren, Andreas Böck, Erika von Mutius, Jacques Vervoort, Kasper Hettinga
Consumption of raw cow's milk instead of industrially processed milk has been reported to protect children from developing asthma, allergies, and respiratory infections. Several heat-sensitive milk serum proteins have been implied in this effect though unbiased assessment of milk proteins in general is missing. The aim of this study was to compare the native milk serum proteome between raw cow's milk and various industrially applied processing methods, i.e., homogenization, fat separation, pasteurization, ultra-heat treatment (UHT), treatment for extended shelf-life (ESL), and conventional boiling...
August 31, 2017: Nutrients
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