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https://www.readbyqxmd.com/read/29677193/a-colorimetric-assay-for-vanillin-detection-by-determination-of-the-luminescence-of-o-toluidine-condensates
#1
Jin Zhao, Haixiong Xia, Tingyu Yu, Lu Jin, Xuehua Li, Yinghui Zhang, Liping Shu, Lingwen Zeng, Zhixu He
Vanillin (4-hydroxy-3-methoxybenzaldehyde), a food additive with rich milk flavor, is commonly used in the food, beverage and cosmetic industries. However, excessive consumption of vanillin may cause liver and kidney damage. Therefore, methods for detecting and controlling the level of vanillin in food, especially in infant powder, have important practical significance. In this study, we established a colorimetric assay for vanillin detection. The detection was performed under high-temperature and acidic conditions, which can induce the reaction of the aldehyde group of vanillin with the amino group of o-toluidine...
2018: PloS One
https://www.readbyqxmd.com/read/29676810/recent-trends-in-sorption-based-sample-preparation-and-liquid-chromatography-techniques-for-food-analysis
#2
Edvaldo V Soares Maciel, Ana Lúcia de Toffoli, Fernando Mauro Lanças
The accelerated rising of the world's population increased the consumption of food, thus demanding more rigors in the control of residue and contaminants in food-based products marketed for human consumption. In view of the complexity of most food matrices, including fruits, vegetables, different types of meat, beverages, among others, a sample preparation step is important to provide more reliable results when combined with high performance liquid chromatography separations. An adequate sample preparation step before the chromatographic analysis is mandatory in obtaining higher precision and accuracy in order to improve the extraction of the target analytes, one of the priorities in analytical chemistry...
April 20, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29674390/consumption-of-sugars-sugary-foods-and-sugary-beverages-in-relation-to-adiposity-related-cancer-risk-in-the-framingham-offspring-cohort-1991-2013
#3
Nour Makarem, Elisa V Bandera, Yong Lin, Paul Jacques, Richard B Hayes, Niyati Parekh
BACKGROUND: Higher sugar consumption may increase cancer risk by promoting insulin-glucose dysregulation, oxidative stress, hormonal imbalances, and excess adiposity. This prospective study investigates the association between dietary sugars(fructose and sucrose) and sugary foods and beverages in relation to combined and site-specific (breast, prostate, colorectal) adiposity-associated cancers. METHODS: The analytic sample consisted of 3,184 adults, aged 26-84y, from the Framingham Offspring cohort...
April 19, 2018: Cancer Prevention Research
https://www.readbyqxmd.com/read/29674185/associations-of-prenatal-and-child-sugar-intake-with-child-cognition
#4
Juliana F W Cohen, Sheryl L Rifas-Shiman, Jessica Young, Emily Oken
INTRODUCTION: Sugar consumption among Americans is above recommended limits, and excess sugar intake may influence cognition. The aim of this study was to examine associations of pregnancy and offspring sugar consumption (sucrose, fructose) with child cognition. Additionally, associations of maternal and child consumption of sugar-sweetened beverages (SSBs), other beverages (diet soda, juice), and fruit with child cognition were examined. METHODS: Among 1,234 mother-child pairs enrolled 1999-2002 in Project Viva, a pre-birth cohort, in 2017 diet was assessed during pregnancy and early childhood, and cognitive outcomes in early and mid-childhood (median ages 3...
April 9, 2018: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29673428/ice-slurry-ingestion-and-physiological-strain-during-exercise-in-non-compensable-heat-stress
#5
Jason Ng, Jonathan E Wingo, Phillip A Bishop, Jason C Casey, Elizabeth K Aldrich
INTRODUCTION: Precooling with ice slurry ingestion attenuates the increase in rectal temperature (Tre) during subsequent running and cycling. It remains unclear how this cooling method affects physiological strain during work while wearing protective garments. This study investigated the effect of ice slurry ingestion on physiological strain during work in hot conditions while wearing firefighter protective clothing. METHODS: In three counterbalanced trials, eight men (mean ± SD; age = 21 ± 2 yr, height = 179...
May 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29672179/high-alcohol-content-flavored-alcoholic-beverages-supersized-alcopops-should-be-reclassified-to-reduce-public-health-hazard
#6
Matthew E Rossheim, Dennis L Thombs, Ryan D Treffers
In the US, underage drinkers often consume supersized alcopop - a high-alcohol-content, ready-to-drink flavored alcoholic beverage that is currently regulated as beer. However, calculations in this paper illustrate how the high alcohol by volume and low price of supersized alcopops suggest that they rely on a larger proportion of additives for their alcohol content than permitted to meet the legal definition for beer. From a public safety perspective, it is urgently important that the Alcohol and Tobacco Tax and Trade Bureau assess the formulation of supersized alcopops - specifically, the percent of alcohol in the finished product that is derived from additives...
April 19, 2018: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/29671807/formation-of-sulforaphane-and-iberin-products-from-thai-cabbage-fermented-by-myrosinase-positive-bacteria
#7
Vijitra Luang-In, Sirirat Deeseenthum, Piyachat Udomwong, Worachot Saengha, Matteo Gregori
Myrosinase-positive bacteria from local fermented foods and beverages in Thailand with the capacity to metabolize glucosinolate and produce isothiocyanates (ITCs) were isolated and used as selected strains for Thai cabbage fermentation. Enterobacter xiangfangensis 4A-2A3.1 (EX) from fermented fish and Enterococcus casseliflavus SB2X2 (EC) from fermented cabbage were the two highest ITC producers among seventeen strains identified by 16S rRNA technique. EC and EX were used to ferment Thai cabbage ( Brassica oleracea L...
April 19, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29671076/sugar-sweetened-beverage-obesity-and-type-2-diabetes-in-children-and-adolescents-policies-taxation-and-programs
#8
REVIEW
Yilin Yoshida, Eduardo J Simoes
PURPOSE OF REVIEW: Obesity has grown at an alarming rate in children and adolescents. Concurrently, consumption on sugar-sweetened beverages (SSBs) also rose significantly. This review provides an overview of obesity and type 2 diabetes mellitus (T2DM) related to SSBs and current policies restricting SSBs in schools, school-based interventions, and taxation on reducing SSB intake and obesity. We also discuss challenges of and future steps for these initiatives. RECENT FINDINGS: Clinical and epidemiological studies suggest a strong association between SSB intake and obesity and T2DM...
April 18, 2018: Current Diabetes Reports
https://www.readbyqxmd.com/read/29669622/inedible-azo-dyes-and-their-analytical-methods-in-foodstuffs-and-beverages
#9
Yongxin Li, Yi Yang, Shuo Yin, Chen Zhou, Dongxia Ren, Chengjun Sun
Edible colorants, as an important part of food additives, can not only enhance the sensorial attributes of foodstuffs, but can also increase one's appetite. They hold a very important position in food processing. In the past decades, the illegal addition of the inedible colorants has become one of the major issues of food safety. Industrial dyes, especially some azo dyes, are illegal additives frequently found in foodstuffs. They cannot provide any nutrients for the human body and even have toxicity, carcinogenic, or mutagenic effects, which may cause serious damage to consumers' health...
April 18, 2018: Journal of AOAC International
https://www.readbyqxmd.com/read/29669551/public-support-for-government-regulatory-interventions-for-overweight-and-obesity-in-australia
#10
Emma Sainsbury, Chelsea Hendy, Roger Magnusson, Stephen Colagiuri
BACKGROUND: There is growing recognition among public health circles of the need for regulatory action for overweight and obesity, but there has been limited research into whether the Australian public supports government intervention. This study aimed to determine the level of public support for food-related regulations for obesity, and to assess the determinants of support. METHODS: A nationally representative sample of Australian adults (n = 2011) was recruited by market research company Online Research Unit to complete an online survey...
April 18, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29668030/uv-c-irradiation-on-the-quality-of-green-tea-effect-on-catechins-antioxidant-activity-and-cytotoxicity
#11
Matthew J Vergne, Ankit Patras, Manreet S Bhullar, Lincoln M Shade, Michael Sasges, Kanyasiri Rakariyatham, Che Pan, Hang Xiao
Short-wavelength ultraviolet (UV-C) irradiation is a nonthermal processing technique that is a possible alternative to the heat-pasteurization of tea beverages. This study investigated the effect of UV-C irradiation on the polyphenolic and total phenolic contents of a green tea beverage and analyzed cytotoxicity of irradiated green tea using a novel continuous flow-through UV system. UV-C fluence levels ranging from 0 to 240 mJ/cm2 were delivered to green tea, and polyphenols were chemically profiled. Continuous-flow UV-C irradiation of the green tea beverage at a fluence of 68 mJ/cm2  induced a minor reduction in the concentration of the most abundant catechin in green tea, (-)-epigallocatechin gallate (EGCG), from 145 to 131...
April 18, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29665954/candida-species-in-tchapalo-and-bangui-two-traditional-alcoholic-beverages-from-c%C3%A3-te-d-ivoire
#12
Laurence A N Egue, Florent K N'guessan, Solange Aka-Gbezo, Jean-Paul K M Bouatenin, Marina Koussemon-Camara
The increase of infections due to non-Candida albicans species made it very necessary to conduct adequate characterization to be able to identify the species of Candida isolated from traditional fermented foods. In this study, based on their hue on Candida Chromogenic Agar medium, a total of 136 yeast strains were isolated from tchapalo and bangui. Molecular identification based on PCR-RFLP of internal transcribed spacers of rDNA (ITS) and sequencing of the ITS and the D1/D2 regions allowed us to assign these isolates to seven species: Candida tropicalis, Candida inconspicua, Candida rugosa, Saccharomyces cerevisiae, Kluyveromyces marxianus, Hanseniaspora guilliermondii, Trichosporon asahii...
May 2018: Fungal Biology
https://www.readbyqxmd.com/read/29665689/the-human-sweet-receptor-t1r3-is-functional-in-human-gastric-parietal-tumor-cells-hgt-1-and-modulates-cyclamate-and-acesulfame-k-induced-mechanisms-of-gastric-acid-secretion
#13
Muhammet Zopun, Kathrin I Liszt, Verena Stoeger, Maik Behrens, Ulrike Redel, Jakob P Ley, Joachim Hans, Veronika Somoza
The non-caloric sweeteners (NCS) cyclamate (Cycl) and acesulfame K (AceK) are widely added to foods and beverages. Little is known about their impact on gastric acid secretion (GAS), which is stimulated by dietary protein and bitter-tasting compounds. Since Cycl and AceK have a bitter off-taste in addition to their sweet-taste, we hypothesized they modulate mechanisms of GAS in human gastric parietal cells (HGT-1). HGT-1 cells were exposed to sweet tastants (50 mM of glucose, D-threonine, Cycl or AceK), and analyzed for their intracellular pH index (IPX), as indicator of proton secretion by means of a pH-sensitive dye, and for mRNA-levels of GAS-associated genes by RT-qPCR...
April 17, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29665174/a-managed-alcohol-program-in-sydney-australia-acceptability-cost-savings-and-non-beverage-alcohol-use
#14
Nadine Ezard, Michael E Cecilio, Brendan Clifford, Eileen Baldry, Lucy Burns, Carolyn A Day, Marian Shanahan, Kate Dolan
INTRODUCTION AND AIMS: Managed alcohol programs (MAPs) are a novel harm reduction intervention for people who experience long-term homelessness and severe long-term alcohol dependence. MAPs provide regulated amounts of alcohol onsite under supervision. Preliminary international evidence suggests that MAPs are associated with improvements such as reduced non-beverage alcohol consumption and decreases in some alcohol-related harms. There are currently no MAPs in Australia. We aimed to assess the feasibility of a MAP in inner-Sydney...
April 17, 2018: Drug and Alcohol Review
https://www.readbyqxmd.com/read/29664860/conflict-of-interest-disclosures-to-the-journal-of-bone-joint-surgery-the-relevance-of-industry-reported-payments
#15
Michael C Fu, Venkat Boddapati, Benedict U Nwachukwu, Anil S Ranawat, Todd J Albert, Joshua S Dines
BACKGROUND: Academic journals such as The Journal of Bone & Joint Surgery (JBJS) require disclosures of financial relationships that authors report as potential conflicts of interest. Because industry payments can take various forms, including food and beverage, consulting, or research payments, the purpose of this study was to determine which categories of industry-reported payments were most frequently considered by authors as irrelevant to their specific publication, and therefore not included in their journal disclosures...
April 18, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29663979/preferences-and-perceptions-of-flavored-hookah-tobacco-among-us-women
#16
Lori A J Scott-Sheldon, Laura R Stroud
OBJECTIVE: We assessed preferences, perceptions, and intentions to use flavored waterpipe (hookah) tobacco (HT) among women of reproductive age in the United States. METHODS: A convenience sample of women 18-44 years of age (N = 238; mean age = 28; 74% white) were recruited via Amazon Mechanical Turk to complete a survey assessing preferences, perceptions, and intentions to use flavored HT. RESULTS: Of the women who had ever used hookah (62%), most (82%) used hookah sweetened with fruit flavors...
May 1, 2018: American Journal of Health Behavior
https://www.readbyqxmd.com/read/29663977/development-and-testing-of-the-church-environment-audit-tool
#17
Andrew T Kaczynski, Danielle E Jake-Schoffman, Nathan A Peters, Caroline G Dunn, Sara Wilcox, Melinda Forthofer
OBJECTIVES: In this paper, we describe development and reliability testing of a novel tool to evaluate the physical environment of faith-based settings pertaining to opportunities for physical activity (PA) and healthy eating (HE). METHODS: Tool development was a multistage process including a review of similar tools, stakeholder review, expert feedback, and pilot testing. Final tool sections included indoor opportunities for PA, outdoor opportunities for PA, food preparation equipment, kitchen type, food for purchase, beverages for purchase, and media...
May 1, 2018: American Journal of Health Behavior
https://www.readbyqxmd.com/read/29663724/recognizing-drug-facilitated-crimes-detection-and-quantification-of-benzodiazepines-in-beverages-using-fast-liquid-liquid-extraction-with-low-temperature-partitioning-and-paper-spray-mass-spectrometry
#18
Camila de Paula, Marina Jurisch, Evandro Piccin, Rodinei Augusti
A novel methodology using liquid-liquid extraction with low temperature partitioning (LLE-LTP) and paper spray mass spectrometry (PS-MS) was developed to identify and quantify benzodiazepines in beverages. Four types of alcoholic beverages usually consumed in parties and bars were spiked with five distinct benzodiazepines (diazepam, alprazolam, bromazepam, clonazepam and cloxazolam) simulating a drug facilitated crime occurrence. The direct PS-MS analysis of the spiked beverages revealed a remarkable matrix effect with an unclear detection of protonated benzodiazepines...
April 16, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29663672/determination-of-phthalates-in-beverages-using-multi-walled-carbon-nanotubes-dispersive-solid-phase-extraction-before-hplc-ms
#19
Javier González-Sálamo, Javier Hernández-Borges, María Del Mar Afonso, Miguel Á Rodríguez-Delgado
A micro-dispersive solid-phase extraction method has been developed using multi-walled carbon nanotubes of 110-170 nm diameter and 5-9 μm length for the extraction of a group of nine phthalic acid esters (i.e. bis(2-methoxyethyl) phthalate, bis-2-ethoxyethyl phthalate, dipropyl phthalate, butylbenzyl phthalate, bis-2-n-butoxyethyl phthalate, bis-isopentyl phthalate, bis-n-pentyl phthalate, dicyclohexyl phthalate, di-n-octyl phthalate) from tap water as well as different beverages commercialized in plastic bottles (mineral water, lemon flavoured and apple flavoured mineral water, and an isotonic drink)...
April 16, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29663625/comparative-evaluation-of-extracellular-%C3%AE-d-fructofuranosidase-in-submerged-and-solid-state-fermentation-produced-by-newly-identified-bacillus-subtilis-strain
#20
Lynette Lincoln, Sunil S More
AIM: To screen and identify a potential extracellular β-D-fructofuranosidase or invertase producing bacterium from soil, and comparatively evaluate the enzyme biosynthesis under submerged and solid-state fermentation. METHODS AND RESULTS: Extracellular invertase producing bacteria were screened from soil. Identification of the potent bacterium was performed based on microscopic examinations and 16S rDNA molecular sequencing. Bacillus subtilis LYN12 invertase secretion was surplus with wheat bran humidified with molasses medium (70%), with elevated activity at 48 h and 37 °C under solid-state fermentation, whereas under submerged conditions increased activity was observed at 24 h and 45 °C in the molasses medium...
April 17, 2018: Journal of Applied Microbiology
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