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https://www.readbyqxmd.com/read/28231699/optimization-of-ultrasonic-assisted-enzymatic-hydrolysis-conditions-for-the-production-of-antioxidant-hydrolysates-from-porcine-liver-by-using-response-surface-methodology
#1
Hui-Chuan Yu, Fa-Jui Tan
Objective: The objective of this study was to optimize ultrasonic-assisted enzymatic hydrolysis conditions, including enzyme-to-substrate (E/S) ratio, pH, and temperature, for producing porcine liver hydrolysates (PLHs) with the highest 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity by using response surface methodology (RSM). Methods: The study used RSM to determine the combination of hydrolysis parameters that maximized the antioxidant activity of our PLHs...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231626/default-mode-network-deactivation-to-smoking-cue-relative-to-food-cue-predicts-treatment-outcome-in-nicotine-use-disorder
#2
Claire E Wilcox, Eric D Claus, Vince D Calhoun, Srinivas Rachakonda, Rae A Littlewood, Jessica Mickey, Pamela B Arenella, Natalie Goodreau, Kent E Hutchison
Identifying predictors of treatment outcome for nicotine use disorders (NUDs) may help improve efficacy of established treatments, like varenicline. Brain reactivity to drug stimuli predicts relapse risk in nicotine and other substance use disorders in some studies. Activity in the default mode network (DMN) is affected by drug cues and other palatable cues, but its clinical significance is unclear. In this study, 143 individuals with NUD (male n = 91, ages 18-55 years) received a functional magnetic resonance imaging scan during a visual cue task during which they were presented with a series of smoking-related or food-related video clips prior to randomization to treatment with varenicline (n = 80) or placebo...
February 23, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28231171/application-of-hybrid-genetic-algorithm-routine-in-optimizing-food-and-bioengineering-processes
#3
Jaya Shankar Tumuluru, Richard McCulloch
Optimization is a crucial step in the analysis of experimental results. Deterministic methods only converge on local optimums and require exponentially more time as dimensionality increases. Stochastic algorithms are capable of efficiently searching the domain space; however convergence is not guaranteed. This article demonstrates the novelty of the hybrid genetic algorithm (HGA), which combines both stochastic and deterministic routines for improved optimization results. The new hybrid genetic algorithm developed is applied to the Ackley benchmark function as well as case studies in food, biofuel, and biotechnology processes...
November 9, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231170/fermentation-assisted-extraction-of-isothiocyanates-from-brassica-vegetable-using-box-behnken-experimental-design
#4
Amit K Jaiswal, Nissreen Abu-Ghannam
Recent studies showed that Brassica vegetables are rich in numerous health-promoting compounds such as carotenoids, polyphenols, flavonoids, and glucosinolates (GLS), as well as isothiocyanates (ITCs) and are involved in health promotion upon consumption. ITCs are breakdown products of GLS, and typically used in the food industry as a food preservative and colouring agent. They are also used in the pharmaceutical industry due to their several pharmacological properties such as antibacterial, antifungal, antiprotozoal, anti-inflammatory, and chemoprotective effects, etc...
November 4, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231165/seafood-safety-and-quality-the-consumer-s-role
#5
Doris T Hicks
All the good news about seafood-the health and nutritional benefits, the wide varieties and flavors-has had a positive effect on consumption: people are eating more seafood (http://www.seagrant.sunysb.edu/seafood/pdfs/SeafoodSavvy.pdf). Yet consumers want to be assured that seafood is as safe as, or safer to eat than, other foods. When you hear "seafood safety", think of a safety net designed to protect you, the consumer, from food-borne illness. Every facet of the seafood industry, from harvester to consumer, plays a role in holding up the safety net...
October 28, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231124/food-safety-impacts-from-post-harvest-processing-procedures-of-molluscan-shellfish
#6
REVIEW
George L Baker
Post-harvest Processing (PHP) methods are viable food processing methods employed to reduce human pathogens in molluscan shellfish that would normally be consumed raw, such as raw oysters on the half-shell. Efficacy of human pathogen reduction associated with PHP varies with respect to time, temperature, salinity, pressure, and process exposure. Regulatory requirements and PHP molluscan shellfish quality implications are major considerations for PHP usage. Food safety impacts associated with PHP of molluscan shellfish vary in their efficacy and may have synergistic outcomes when combined...
April 18, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231083/evaluation-of-the-availability-and-antioxidant-capacity-of-maillard-compounds-present-in-bread-crust-studies-in-caco-2-cells
#7
Silvia Pastoriza de la Cueva, Isabel Seiquer, Marta Mesías, José Ángel Rufián-Henares, Cristina Delgado-Andrade
Bread crust is one of the major contributors to the intake of Maillard reaction products (MRP). MRP improve the organoleptic properties of foods and can provide biological actions such as antioxidant properties. The transport and availability of Amadori compounds (measured as furosine) and hydroxymethylfurfural (HMF)-early and intermediary MRP-from enzymatically digested bread crust (BC) and from its soluble low-molecular weight (LMW) and high-molecular weight (HMW) fractions were investigated in the Caco-2 cell line...
January 11, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230067/life-strategy-and-grazing-intensity-responses-of-brachionus-calyciflorus-fed-on-different-concentrations-of-microcystin-producing-and-microcystin-free-microcystis-aeruginosa
#8
Ye Liang, Kai Ouyang, Xinglan Chen, Yuqi Su, Jiaxin Yang
The occurrence of Microcystis blooms is a worldwide concern due to the numerous adverse effects on zooplankton. We therefore hypothesized that the cyanobacterium Microcystis aeruginosa is harmful to rotifer growth. Population and individual experiments were conducted with the same proportional volumes of Chlorella and Microcystis for given food densities. Life-table parameters, life-history traits, and the grazing intensity of Brachionus calyciflorus were evaluated after they had fed on microcystin-producing and microcystin-free Microcystis, both alone and combined with an edible alga (Chlorella pyrenoidosa), at concentrations of 1 × 10(5), 1 × 10(6), and 1 × 10(7) cells mL(-1)...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28228134/the-impact-of-community-health-worker-led-home-delivery-of-antiretroviral-therapy-on-virological-suppression-a-non-inferiority-cluster-randomized-health-systems-trial-in-dar-es-salaam-tanzania
#9
Pascal Geldsetzer, Joel M Francis, Nzovu Ulenga, David Sando, Irene A Lema, Eric Mboggo, Maria Vaikath, Happiness Koda, Sharon Lwezaula, Janice Hu, Ramadhani A Noor, Ibironke Olofin, Elysia Larson, Wafaie Fawzi, Till Bärnighausen
BACKGROUND: Home delivery of antiretroviral therapy (ART) by community health workers (CHWs) may improve ART retention by reducing the time burden and out-of-pocket expenditures to regularly attend an ART clinic. In addition, ART home delivery may shorten waiting times and improve quality of care for those in facility-based care by decongesting ART clinics. This trial aims to determine whether ART home delivery for patients who are clinically stable on ART combined with facility-based care for those who are not stable on ART is non-inferior to the standard of care (facility-based care for all ART patients) in achieving and maintaining virological suppression...
February 22, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28227617/detection-of-chewing-from-piezoelectric-film-sensor-signals-using-ensemble-classifiers
#10
Muhammad Farooq, Edward Sazonov, Muhammad Farooq, Edward Sazonov, Muhammad Farooq, Edward Sazonov
Selection and use of pattern recognition algorithms is application dependent. In this work, we explored the use of several ensembles of weak classifiers to classify signals captured from a wearable sensor system to detect food intake based on chewing. Three sensor signals (Piezoelectric sensor, accelerometer, and hand to mouth gesture) were collected from 12 subjects in free-living conditions for 24 hrs. Sensor signals were divided into 10 seconds epochs and for each epoch combination of time and frequency domain features were computed...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226908/s2ni-a-mobile-platform-for-nutrition-monitoring-from-spoken-data
#11
Niloofar Hezarjaribi, Cody A Reynolds, Drew T Miller, Naomi Chaytor, Hassan Ghasemzadeh, Niloofar Hezarjaribi, Cody A Reynolds, Drew T Miller, Naomi Chaytor, Hassan Ghasemzadeh, Hassan Ghasemzadeh, Cody A Reynolds, Naomi Chaytor, Niloofar Hezarjaribi, Drew T Miller
Diet and physical activity are important lifestyle and behavioral factors in self-management and prevention of many chronic diseases. Mobile sensors such as accelerometers have been used in the past to objectively measure physical activity or detect eating time. Diet monitoring, however, still relies on self-recorded data by end users where individuals use mobile devices for recording nutrition intake by either entering text or taking images. Such approaches have shown low adherence in technology adoption and achieve only moderate accuracy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225553/correlations-among-mercury-concentration-and-stable-isotope-ratios-of-carbon-and-nitrogen-of-amino-acids-in-scalp-hair-from-whale-meat-eaters-and-heavy-fish-eaters
#12
Tetsuya Endo, Hideki Ogasawara, Moriaki Hayasaka, Yohei Hotta, Osamu Kimura, Klaus J Petzke
RATIONALE: As Hg accumulation in marine animals generally increases with increased trophic level (δ(15) N values) through the food web, predators accumulate higher levels of Hg. The main source of human Hg intake is the consumption of fish and other marine animals, and Hg concentration in scalp hair is the preferred marker for evaluating consumption of marine animals. Difference of δ(15) N values between trophic and source amino acids of human consumers could enable us to estimate the trophic level of consumer without knowing the bulk δ(15) N value of their prey...
February 22, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28225030/chemometric-assisted-quechers-extraction-method-for-post-harvest-pesticide-determination-in-fruits-and-vegetables
#13
Minmin Li, Chao Dai, Fengzhong Wang, Zhiqiang Kong, Yan He, Ya Tao Huang, Bei Fan
An effective analysis method was developed based on a chemometric tool for the simultaneous quantification of five different post-harvest pesticides (2,4-dichlorophenoxyacetic acid (2,4-D), carbendazim, thiabendazole, iprodione, and prochloraz) in fruits and vegetables. In the modified QuEChERS (quick, easy, cheap, effective, rugged and safe) method, the factors and responses for optimization of the extraction and cleanup analyses were compared using the Plackett-Burman (P-B) screening design. Furthermore, the significant factors (toluene percentage, hydrochloric acid (HCl) percentage, and graphitized carbon black (GCB) amount) were optimized using a central composite design (CCD) combined with Derringer's desirability function (DF)...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224246/comparison-of-veterinary-drug-residue-results-in-animal-tissues-by-ultrahigh-performance-liquid-chromatography-coupled-to-triple-quadrupole-or-quadrupole-time-of-flight-tandem-mass-spectrometry-after-different-sample-preparation-methods-including-use-of-a-commercial
#14
Tarun Anumol, Steven J Lehotay, Joan Stevens, Jerry Zweigenbaum
Veterinary drug residues in animal-derived foods must be monitored to ensure food safety, verify proper veterinary practices, enforce legal limits in domestic and imported foods, and for other purposes. A common goal in drug residue analysis in foods is to achieve acceptable monitoring results for as many analytes as possible, with higher priority given to the drugs of most concern, in an efficient and robust manner. The U.S. Department of Agriculture has implemented a multiclass, multi-residue method based on sample preparation using dispersive solid phase extraction (d-SPE) for cleanup and ultrahigh-performance liquid chromatography-tandem quadrupole mass spectrometry (UHPLC-QQQ) for analysis of >120 drugs at regulatory levels of concern in animal tissues...
February 21, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28224120/oncolytic-virotherapy-including-rigvir-and-standard-therapies-in-malignant-melanoma
#15
REVIEW
Hani M Babiker, Irbaz Bin Riaz, Muhammad Husnain, Mitesh J Borad
The treatment of metastatic melanoma has evolved from an era where interferon and chemotherapy were the mainstay of treatments to an era where immunotherapy has become the frontline. Ipilimumab (IgG1 CTLA-4 inhibitor), nivolumab (IgG4 PD-1 inhibitor), pembrolizumab (IgG4 PD-1 inhibitor) and nivolumab combined with ipilimumab have become first-line therapies in patients with metastatic melanoma. In addition, the high prevalence of BRAF mutations in melanoma has led to the discovery and approval of targeted molecules, such as vemurafenib (BRAF kinase inhibitor) and trametinib (MEK inhibitor), as they yielded improved responses and survival in malignant melanoma patients...
2017: Oncolytic Virotherapy
https://www.readbyqxmd.com/read/28223907/comparative-bioavailability-and-utilization-of-particular-forms-of-b12-supplements-with-potential-to-mitigate-b12-related-genetic-polymorphisms
#16
REVIEW
Cristiana Paul, David M Brady
CONTEXT: Three natural forms of vitamin B12 are commercially available: methylcobalamin (MeCbl), adenosylcobalamin (AdCbl), and hydroxycobalamin (OHCbl), all of which have been shown in clinical studies to improve vitamin B12 status. They are bioidentical to the B12 forms occurring in human physiology and animal foods. In contrast, cyanocobalamin (CNCbl), a synthetic B12 compound used for food fortification and in some supplements, occurs only in trace amounts in human tissues as a result of cyanide intake from smoking or other sources...
February 2017: Integrative Medicine
https://www.readbyqxmd.com/read/28223846/prospect-of-the-use-of-checkpoint-inhibitors-in-hepatocellular-cancer-treatments
#17
REVIEW
Ali Raufi, Maria Tria Tirona
Hepatocellular cancer (HCC) is a very fatal disease due to limited therapeutic options as well as due to its association with underlying chronic liver disease in the majority of cases. The immune evasion in HCC signifies a major barrier to the delivery of effective immunotherapy. Sorafenib is the only Food and Drug Administration-approved drug available with an overall response rate of 2%-3% and overall survival of 2.8 months. Chemotherapy has not been used routinely because of the relative refractoriness of advanced HCC...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/28222923/consumption-of-aquaculture-waste-affects-the-fatty-acid-metabolism-of-a-benthic-invertebrate
#18
Camille A White, Raymond J Bannister, Symon A Dworjanyn, Vivian Husa, Peter D Nichols, Tina Kutti, Tim Dempster
Trophic subsidies can drive widespread ecological change, thus knowledge of how keystone species respond to subsidies is important. Aquaculture of large carnivorous fish generates substantial waste as faeces and lost feed, providing a food source to mobile benthic invertebrates. We used a controlled feeding study combined with a field survey to better understand the interaction between salmon aquaculture and the sea urchin, Echinus acutus, a dominant mobile invertebrate in Norwegian fjords. We tested if diets affected urchin fatty acid composition by feeding them one of three diet treatments ("aquafeed", "composite" and "natural") for 10weeks...
February 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28222818/store-directed-price-promotions-and-communications-strategies-improve-healthier-food-supply-and-demand-impact-results-from-a-randomized-controlled-baltimore-city-store-intervention-trial
#19
Nadine Budd, Jayne K Jeffries, Jessica Jones-Smith, Anna Kharmats, Ann Yelmokas McDermott, Joel Gittelsohn
OBJECTIVE: Small food store interventions show promise to increase healthy food access in under-resourced areas. However, none have tested the impact of price discounts on healthy food supply and demand. We tested the impact of store-directed price discounts and communications strategies, separately and combined, on the stocking, sales and prices of healthier foods and on storeowner psychosocial factors. DESIGN: Factorial design randomized controlled trial. SETTING: Twenty-four corner stores in low-income neighbourhoods of Baltimore City, MD, USA...
February 22, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28222232/dietary-total-antioxidant-capacity-in-early-school-age-and-subsequent-allergic-disease
#20
Anna Gref, Susanne Rautiainen, Olena Gruzieva, Niclas Håkansson, Inger Kull, Göran Pershagen, Magnus Wickman, Alicja Wolk, Erik Melén, Anna Bergström
BACKGROUND: Dietary antioxidant intake has been hypothesized to influence the development of allergic diseases, however, few prospective studies have investigated this association. OBJECTIVE: Our aim was to study the association between total antioxidant capacity (TAC) of the diet at age 8 years and the subsequent development of asthma, rhinitis and sensitization to inhalant allergens between 8 and 16 years, and to assess potential effect modification by known risk factors...
February 21, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
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