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https://www.readbyqxmd.com/read/28506059/application-of-liquid-chromatography-tandem-mass-spectrometry-to-determine-urinary-concentrations-of-five-commonly-used-low-calorie-sweeteners-a-novel-biomarker-approach-for-assessing-recent-intakes
#1
Caomhan Logue, Le Roy C Dowey, J J Strain, Hans Verhagen, Stephen McClean, Alison M Gallagher
Although the use of low-calorie sweeteners (LCSs) is widespread, methods of assessing consumption within free-living populations have inherent limitations. Five commonly consumed LCSs, namely, acesulfame-K, saccharin, sucralose, cyclamate, and steviol glycosides, are excreted via the urine, and therefore a urinary biomarker approach may provide more objective LCS intake data. A LC-ESI-MS/MS method of simultaneously determining acesulfame-K, saccharin, sucralose, cyclamate, and the excretory metabolite of steviol glycosides, steviol glucuronide, in human urine was developed and validated...
May 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28502831/a-12-week-randomized-clinical-trial-investigating-the-potential-for-sucralose-to-affect-glucose-homeostasis
#2
V Lee Grotz, Xavier Pi-Sunyer, Daniel Porte, Ashley Roberts, J Richard Trout
The discovery of gut sweet taste receptors has led to speculations that non-nutritive sweeteners, including sucralose, may affect glucose control. A double-blind, parallel, randomized clinical trial, reported here and previously submitted to regulatory agencies, helps to clarify the role of sucralose in this regard. This was primarily an out-patient study, with 4-week screening, 12-week test, and 4-week follow-up phases. Normoglycemic male volunteers (47) consumed ∼333.3 mg encapsulated sucralose or placebo 3x/day at mealtimes...
May 11, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28497993/personal-variation-in-preference-for-sweetness-effects-of-age-and-obesity
#3
Nuala Bobowski, Julie A Mennella
BACKGROUND: Use of nonnutritive sweeteners (NNSs), which provide sweet taste with few to no calories, has increased, but data on whether children's hedonic responses to NNSs differ from nutritive sugars or from adults' hedonic responses are limited. METHODS: Most preferred levels of sucrose and the NNS sucralose were determined via a forced-choice tracking procedure in 48 children, 7-14 years (mean = 10 years), and 34 adults. Each participant also rated the liking of these taste stimuli, as well as varying concentrations of aspartame on 3- and 5-point facial hedonic scales...
May 12, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28489670/retrospective-comparison-of-fluticasone-propionate-and-oral-viscous-budesonide-in-children-with-eosinophilic-esophagitis
#4
Jacqueline M Fable, Marina Fernandez, Susan Goodine, Trudy Lerer, Wael N Sayej
BACKGROUND: Eosinophilic esophagitis (EoE) is treated with dietary modification and/or pharmacologic management with swallowed topical steroids (TS). Swallowed fluticasone propionate (FP) and oral viscous budesonide (OVB) have proven to be effective in resolving symptoms and reversing histologic changes in children and adults with EoE. There are minimal comparative studies between the two agents. AIM: To retrospectively compare endoscopic and histologic outcomes following FP versus OVB therapy in children with EoE in our center...
May 9, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28472098/t1r3-homomeric-sweet-taste-receptor-regulates-adipogenesis-through-g%C3%AE-s-mediated-microtubules-disassembly-and-rho-activation-in-3t3-l1-cells
#5
Yosuke Masubuchi, Yuko Nakagawa, Johan Medina, Masahiro Nagasawa, Itaru Kojima, Mark M Rasenick, Takeshi Inagaki, Hiroshi Shibata
We previously reported that 3T3-L1 cells express a functional sweet taste receptor possibly as a T1R3 homomer that is coupled to Gs and negatively regulates adipogenesis by a Gαs-mediated but cAMP-independent mechanism. Here, we show that stimulation of this receptor with sucralose or saccharin induced disassembly of the microtubules in 3T3-L1 preadipocytes, which was attenuated by overexpression of the dominant-negative mutant of Gαs (Gαs-G226A). In contrast, overexpression of the constitutively active mutant of Gαs (Gαs-Q227L) as well as treatment with cholera toxin or isoproterenol but not with forskolin caused disassembly of the microtubules...
2017: PloS One
https://www.readbyqxmd.com/read/28441725/sweet-taste-receptor-activation-in-the-gut-is-of-limited-importance-for-glucose-stimulated-glp-1-and-gip-secretion
#6
Monika Y Saltiel, Rune E Kuhre, Charlotte B Christiansen, Rasmus Eliasen, Kilian W Conde-Frieboes, Mette M Rosenkilde, Jens J Holst
Glucose stimulates the secretion of the incretin hormones: glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic peptide (GIP). It is debated whether the sweet taste receptor (STR) triggers this secretion. We investigated the role of STR activation for glucose-stimulated incretin secretion from an isolated perfused rat small intestine and whether selective STR activation by artificial sweeteners stimulates secretion. Intra-luminal administration of the STR agonists, acesulfame K (3.85% w/v), but not sucralose (1...
April 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28407474/the-impact-of-low-and-no-caloric-sweeteners-on-glucose-absorption-incretin-secretion-and-glucose-tolerance
#7
Catherine B Chan, Zohre Hashemi, Fatheema B Subhan
The consumption of non-nutritive, low, or no-calorie sweeteners (LCS) is increasing globally. Previously thought to be physiologically inert, there is a growing body of evidence that LCS not only provide a sweet taste but may also elicit metabolic effects in the gastrointestinal tract. This review provides a brief overview of the chemical and receptor-binding properties and effects on chemosensation of different LCS but focuses on the extent to which LCS stimulates glucose transport, incretin and insulin secretion, and effects on glucose tolerance...
April 13, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28372222/effect-of-sweetener-combination-and-storage-temperature-on-physicochemical-properties-of-sucrose-free-white-chocolate
#8
Laura T Rodriguez Furlán, Yanina Baracco, Javier Lecot, Noemi Zaritzky, Mercedes E Campderrós
The influence of a combination of sweeteners (Stevia (St) and sucralose (Su)) and storage temperature on thermal properties, microstructure, water content, texture and Bloom of sucrose free white chocolate was investigated. A strong relationship between the microstructure and the highest percentage of Bloom was observed. The samples with 100%Su and 50%S+50%Su presented microstructures with channels through which solids and fat could more easily spread to the surface, increasing the fat and sugar Bloom formation...
August 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28351133/monitoring-the-behavior-of-emerging-contaminants-in-wastewater-impacted-rivers-based-on-the-use-of-fluorescence-excitation-emission-matrixes-eem
#9
Massimiliano Sgroi, Paolo Roccaro, Gregory V Korshin, Federico G A Vagliasindi
This study investigated the applicability of fluorescence indexes based on the interpretation of excitation emission matrices (EEMs) by PARAFAC analysis and by selecting fluorescence intensities at a priori defined excitation/emission pairs as surrogates for monitoring the behavior of emerging organic compounds (EOCs) in two catchment basins impacted by wastewater discharges. Relevant EOC and EEM data were obtained for a 90 km stretch of the Simeto River, the main river in Sicily, and the smaller San Leonardo River, which was investigated for a 17 km stretch...
April 6, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28347724/metabolic-effects-of-intermittent-access-to-caloric-or-non-caloric-sweetened-solutions-in-mice-fed-a-high-caloric-diet
#10
Marion Soto, Catherine Chaumontet, Patrick C Even, Dalila Azzout-Marniche, Daniel Tomé, Gilles Fromentin
Human consumption of obesogenic diets and soft drinks, sweetened with different molecules, is increasing worldwide, and increases the risk of metabolic diseases. We hypothesized that the chronic consumption of caloric (sucrose, high-fructose corn syrup (HFCS), maltodextrin) and non-caloric (sucralose) solutions under 2-hour intermittent access, alongside the consumption of a high-fat high-sucrose diet, would result in differential obesity-associated metabolic abnormalities in mice. Male C57BL/6 mice had ad libitum access to an HFHS diet and to water (water control group)...
June 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28334357/sweetener-intake-by-rats-selectively-bred-for-differential-saccharin-intake-sucralose-stevia-and-acesulfame-potassium
#11
Nancy K Dess, Kiana Dobson, Brandon T Roberts, Clinton D Chapman
Behavioral responses to sweeteners have been used to study the evolution, mechanisms, and functions of taste. Occidental low and high saccharin consuming rats (respectively, LoS and HiS) have been selectively outbred on the basis of saccharin intake and are a valuable tool for studying variation among individuals in sweetener intake and its correlates. Relative to HiS rats, LoS rats consume smaller amounts of all nutritive and nonnutritive sweeteners tested to date, except aspartame. The lines also differ in intake of the commercial product Splenda; the roles of sucralose and saccharides in the difference are unclear...
June 1, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28284644/suitability-of-pharmaceuticals-and-personal-care-products-ppcps-and-artificial-sweeteners-ass-as-wastewater-indicators-in-the-pearl-river-delta-south-china
#12
Yuan-Yuan Yang, Wang-Rong Liu, You-Sheng Liu, Jian-Liang Zhao, Qian-Qian Zhang, Min Zhang, Jin-Na Zhang, Yu-Xia Jiang, Li-Juan Zhang, Guang-Guo Ying
Wastewater indicator is a useful tool for evaluating the wastewater impact on natural water, but there is little information about the suitability of wastewater indicators for different regions. This study aimed to select suitable wastewater indicators in the Pearl River Delta region, south China by screening a range of wastewater related organic compounds. The screening campaign was carried out by investigating the occurrence and removal efficiencies of 93 pharmaceuticals and personal care products (PPCPs) and 5 artificial sweeteners (ASs) in nine wastewater treatment plants (WWTPs) located in the region, and the occurrence of these target compounds in the contaminated and clean surface water of the Pearl River...
March 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28277180/simultaneous-determination-of-sodium-saccharin-aspartame-acesulfame-k-and-sucralose-in-food-consumed-in-korea-using-high-performance-liquid-chromatography-and-evaporative-light-scattering-detection
#13
Youngsun Lee, Byungkyung Do, Gunyoung Lee, Ho Soo Lim, Sang Soon Yun, Hoonjeong Kwon
Four artificial sweeteners, i.e., sodium saccharin, aspartame, acesulfame-K and sucralose, are permitted for use in Korea, and recent regulatory changes have expanded the number of food categories in which they may be used. Four artificial sweeteners were determined simultaneously in more than 900 food items from 30 food categories that are commercially available in Korean markets, including both domestic and imported products, using high-performance liquid chromatography and evaporative light-scattering detection (ELSD)...
February 17, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28228424/widespread-sucralose-exposure-in-a-randomized-clinical-trial-in-healthy-young-adults
#14
Allison C Sylvetsky, Peter J Walter, H Martin Garraffo, Kim Robien, Kristina I Rother
Background: Low-calorie sweeteners (LCSs) are found in many foods and beverages, but consumers may not realize their presence, and their role in appetite, weight, and health is controversial. Although consumption limits based on toxicologic safety are well established, the threshold required to exert clinically relevant metabolic effects is unknown.Objectives: This study aimed to determine whether individuals who do not report consumption of LCSs can be correctly characterized as "unexposed" and to investigate whether instructions to avoid LCSs are effective in minimizing exposure...
April 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28192727/ecotoxicological-assessments-show-sucralose-and-fluoxetine-affect-the-aquatic-plant-lemna-minor
#15
Cherisse Amy-Sagers, Keith Reinhardt, Danelle M Larson
Pharmaceuticals and personal care products (PPCP) are prevalent in aquatic systems, yet the fate and impacts on aquatic plants needs quantification for many compounds. We measured and detected sucralose (an artificial sweetener), fluoxetine (an antidepressant), and other PPCP in the Portneuf River in Idaho, USA, where Lemna minor (an aquatic plant in the environment and used in ecotoxicology studies) naturally occurs. Sucralose was hypothesized to negatively affect photosynthesis and growth of L. minor because sucralose is a chlorinated molecule that may be toxic or unusable for plant metabolism...
April 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28192132/flavor-preferences-conditioned-by-nutritive-and-non-nutritive-sweeteners-in-mice
#16
Anthony Sclafani, Karen Ackroff
Recent studies suggest that preferences are conditioned by nutritive (sucrose) but not by non-nutritive (sucralose) sweeteners in mice. Here we compared the effectiveness of nutritive and non-nutritive sweeteners to condition flavor preferences in three mouse strains. Isopreferred sucrose and sucralose solutions both conditioned flavor preferences in C57BL/6J (B6) mice but sucrose was more effective, consistent with its post-oral appetition action. Subsequent experiments compared flavor conditioning by fructose, which has no post-oral appetition effect in B6 mice, and a sucralose+saccharin mixture (SS) which is highly preferred to fructose in 24-h choice tests...
May 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28174684/sucralose-activates-an-erk1-2-ribosomal-protein-s6-signaling-axis
#17
Marcy L Guerra, Michael A Kalwat, Kathleen McGlynn, Melanie H Cobb
The sweetener sucralose can signal through its GPCR receptor to induce insulin secretion from pancreatic β cells, but the downstream signaling pathways involved are not well-understood. Here we measure responses to sucralose, glucagon-like peptide 1, and amino acids in MIN6 β cells. Our data suggest a signaling axis, whereby sucralose induces calcium and cAMP, activation of ERK1/2, and site-specific phosphorylation of ribosomal protein S6. Interestingly, sucralose acted independently of mTORC1 or ribosomal S6 kinase (RSK)...
February 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28148491/glucose-elicits-cephalic-phase-insulin-release-in-mice-by-activating-katp-channels-in-taste-cells
#18
John I Glendinning, Yonina G Frim, Ayelet Hochman, Gabrielle S Lubitz, Anthony J Basile, Anthony Sclafani
The taste of sugar elicits cephalic-phase insulin release (CPIR), which limits the rise in blood glucose associated with meals. Little is known, however, about the gustatory mechanisms that trigger CPIR. We asked whether oral stimulation with any of the following taste stimuli elicited CPIR in mice: glucose, sucrose, maltose, fructose, Polycose, saccharin, sucralose, AceK, SC45647, or a nonmetabolizable sugar analog. The only taste stimuli that elicited CPIR were glucose and the glucose-containing saccharides (sucrose, maltose, Polycose)...
April 1, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28131539/acetylation-and-deacetylation-for-sucralose-preparation-by-a-newly-isolated-bacillus-amyloliquefaciens-wzs01
#19
Jie Sun, Liang Chen, Bo Lou, Yanbing Bai, Xinjun Yu, Man Zhao, Zhao Wang
Sucralose is a non-nutritive artificial sweetener used in a broad range of foods and beverages. In the present study, Bacillus amyloliquefaciens WZS01 was isolated, identified, and used as a catalyst both in regioselective acylation and deacetylation for sucralose preparation. Bacterial cells were immobilized on polyurethane foam and utilized to synthesize sucrose-6-acetate regioselectively. The yield of sucrose-6-acetate was >95% with 60 mM sucrose after 22 h of reaction. Free cells could hydrolyze 75 mM sucralose-6-acetate to produce sucralose with >99% yield after 24 h of reaction...
May 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28126491/the-relative-reinforcing-value-of-sweet-versus-savory-snack-foods-after-consumption-of-sugar-or-non-nutritive-sweetened-beverages
#20
Shanon L Casperson, LuAnn Johnson, James N Roemmich
The effects of sugar-sweetened (SSB) and non-nutritive sweetened (NSB) beverages on the regulation of appetite, energy intake and body weight regulation remain controversial. Using a behavioral choice paradigm, we sought to determine the effects of consuming a SSB or NSB on appetite and the reinforcing value of sweet relative to salty/savory snack foods. In a randomized crossover study, 21 healthy weight adults consumed 360 ml of SSB (sucrose; 31 g) or NSB (sucralose; 4 g) with a standardized meal. Hedonic ratings for the sweet and salty/savory snack foods used for the reinforcement task were assessed prior to the start of the study...
January 23, 2017: Appetite
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