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https://www.readbyqxmd.com/read/28303700/evaluation-of-dairy-products-available-on-the-polish-market-in-the-context-of-nutrient-profiles-clear-arguments-for-reformulation-of-foodstuffs
#1
Regina Wierzejska, Magdalena Siuba-Strzelińska, Mirosław Jarosz
Background: Dairy products, which are one of the main groups of products in the diet, are expected to have high nutritional value. The development of food technology often involves changing the nutritional parameters of foodstuffs. Objective: The aim of this study was to determine the nutritional value of dairy products, in the context of nutrient profiles. Material and Methods: The tested products included yoghurts, yoghurt drinks, kefir, cream cheeses and milk desserts available on the Polish market, basing on the information from unit product packaging...
2017: Roczniki Państwowego Zakładu Higieny
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
#2
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/28272545/glycyrrhiza-uralensis-water-extract-enhances-dendritic-cell-maturation-and-antitumor-efficacy-of-hpv-dendritic-cell-based-vaccine
#3
Adila Aipire, Jinyu Li, Pengfei Yuan, Jiang He, Yelang Hu, Lu Liu, Xiaoli Feng, Yijie Li, Fuchun Zhang, Jianhua Yang, Jinyao Li
Licorice has been used as herbal medicine and natural sweetener. Here, we prepared Glycyrrhiza uralensis water extract (GUWE) and investigated the effect of GUWE on the maturation and function of dendritic cells (DCs) and its adjuvant effect on DC-based vaccine. We observed that GUWE dose-dependently promoted DC maturation and cytokine secretion through TLR4 signaling pathway. The capacity of DC to stimulate allogenic splenocyte proliferation was also enhanced by GUWE treatment. Compared with control group, GUWE treated DCs pulsed with human papillomavirus (HPV)-16 E6/E7 peptides significantly inhibited the tumor growth in both early and late therapeutic groups...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28251728/tandem-mass-spectrometry-a-convenient-approach-in-the-dosage-of-steviol-glycosides-in-stevia-sweetened-commercial-food-beverages
#4
Leonardo Di Donna, Fabio Mazzotti, Ilaria Santoro, Giovanni Sindona
The use of sweeteners extracted from leaves of the plant species Stevia Rebaudiana is worldwide increasing. They are recognized as GRAS (Generally Recognized as Safe) by US-FDA and approved by EU-EFSA, with some recommendation on the daily dosage that should not interfere with glucose metabolism. The results here presented introduce an easy analytical approach for the identification and assay of Stevia sweeteners in commercially available soft drink, based on Liquid Chromatography (LC) coupled to Tandem Mass Spectrometry (MS/MS), using a natural statin like molecule, Brutieridin, as internal standard...
March 1, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28251536/ecotoxicological-survey-of-mnei-and-y65r-mnei-proteins-as-new-potential-high-intensity-sweeteners
#5
Michele Fortunato Rega, Antonietta Siciliano, Renato Gesuele, Giusy Lofrano, Andrea Carpentieri, Delia Picone, Marco Guida
Low-calorie sweeteners are widespread. They are routinely introduced into commonly consumed food such as diet sodas, cereals, and sugar-free desserts. Recent data revealed the presence in considerable quantities of some of these artificial sweeteners in water samples qualifying them as a class of potential new emerging contaminants. This study aimed at evaluating the ecotoxicity profile of MNEI and Y65R-MNEI, two engineered products derived from the natural protein monellin, employing representative test organism such as Daphnia magna, Ceriodaphnia dubia, and Raphidocelis subcapitata...
March 1, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28218969/stability-of-the-stevia-derived-sweetener-rebaudioside-a-in-solution-as-affected-by-ultraviolet-light-exposure
#6
Jiewen Zhang, Leonard N Bell
Rebaudioside A is a natural noncaloric high-potency sweetener extracted from the leaves of Stevia rebaudiana. With rebaudioside A use increasing in foods, understanding the factors affecting its stability is necessary. This project evaluated the degradation rate constants of rebaudioside A in water, 0.1 M phosphate buffer, and 0.1 M citrate buffer at pH 3 and 7 as a function of ultraviolet (UV) light intensity (365 nm, 0 μW/cm(2) for dark conditions, 27 μW/cm(2) for low intensity, and 190 μW/cm(2) for high intensity) at 32...
February 20, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28215607/impact-of-blue-red-and-far-red-light-treatments-on-gene-expression-and-steviol-glycoside-accumulation-in-stevia-rebaudiana
#7
Yuki Yoneda, Hiroshi Nakashima, Juro Miyasaka, Katsuaki Ohdoi, Hiroshi Shimizu
Stevia rebaudiana (Bertoni) Bertoni is a plant that biosynthesizes a group of natural sweeteners that are up to approximately 400 times sweeter than sucrose. The sweetening components of S. rebaudiana are steviol glycosides (SGs) that partially share their biosynthesis pathway with gibberellins (GAs). However, the molecular mechanisms through which SGs levels can be improved have not been studied. Therefore, transcription levels of several SG biosynthesis-related genes were analyzed under several light treatments involved in GA biosynthesis...
February 15, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28208093/oxidative-transformation-of-artificial-sweetener-acesulfame-by-permanganate-reaction-kinetics-transformation-products-and-pathways-and-ecotoxicity
#8
Kai Yin, Fei Li, Ying Wang, Qunying He, Yongxiu Deng, Shuo Chen, Chengbin Liu
Acesulfame has attracted much attention due to its wide application, environmental persistence and potential safety risk of transformation products (TPs). Little information is known on acesulfame transformation in the presence of oxidants/disinfectants. The acesulfame oxidation by permanganate (Mn(VII)) in water under environmentally relevant conditions was systematically evaluated. The pH of water showed negligible influence in acesulfame oxidation. Inorganic ligand (pyrophosphate) exhibited insignificant effect whereas organic ligands (oxalate, ethylene diamine tetraacetic acid, and humic acid) exerted obvious suppression on acesulfame oxidation...
February 9, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28193409/a-new-natural-source-for-obtainment-of-inulin-and-fructo-oligosaccharides-from-industrial-waste-of-stevia-rebaudiana-bertoni
#9
Sheila Mara Sanches Lopes, Gabriela Krausová, José Walter Pedroza Carneiro, José Eduardo Gonçalves, Regina Aparecida Correia Gonçalves, Arildo José Braz de Oliveira
Fructan-type inulin and fructo-oligosaccharides (FOS) are reserve polysaccharides that offer an interesting combination of nutritional and technological properties for food industry. Stevia rebaudiana is used commercially in the sweetener industry due to the high content of steviol glycosides in its leaves. With the proposal of using industrial waste, the objective of the present study was to isolate, characterize and evaluate the prebiotic activity of inulin and FOS from S. rebaudiana stems. The chemical characterization of the samples by GC-MS, NMR and off-line ESI-MS showed that it was possible to obtain inulin molecules from the S...
June 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28192727/ecotoxicological-assessments-show-sucralose-and-fluoxetine-affect-the-aquatic-plant-lemna-minor
#10
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/28183287/price-elasticity-of-the-demand-for-soft-drinks-other-sugar-sweetened-beverages-and-energy-dense-food-in-chile
#11
Carlos M Guerrero-López, Mishel Unar-Munguía, M Arantxa Colchero
BACKGROUND: Chile is the second world's largest per capita consumer of caloric beverages. Caloric beverages are associated with overweight, obesity and other chronic diseases. The objective of this study is to estimate the price elasticity of demand for soft drinks, other sugar-sweetened beverages and high-energy dense foods in urban areas in Chile in order to evaluate the potential response of households' consumption to changes in prices. METHODS: We used microdata from the VII Family Budget Survey 2012-2013, which collects information on expenditures made by Chilean urban households on items such as beverages and foods...
February 10, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28146121/a-novel-diterpene-glycoside-with-nine-glucose-units-from-stevia-rebaudiana-bertoni
#12
Indra Prakash, Gil Ma, Cynthia Bunders, Romila D Charan, Catherine Ramirez, Krishna P Devkota, Tara M Snyder
Following our interest in new diterpene glycosides with better taste profiles than that of Rebaudioside M, we have recently isolated and characterized Rebaudioside IX-a novel steviol glycoside-from a commercially-supplied extract of Stevia rebaudiana Bertoni. This molecule contains a hexasaccharide group attached at C-13 of the central diterpene core, and contains three additional glucose units when compared with Rebaudioside M. Here we report the complete structure elucidation-based on extensive Nuclear Magnetic Resonance (NMR) analysis (1H, 13C, Correlation Spectroscopy (COSY), Heteronuclear Single Quantum Coherence-Distortionless Enhancement Polarization Transfer (HSQC-DEPT), Heteronuclear Multiple Bond Correlation (HMBC), 1D Total Correlation Spectroscopy (TOCSY), Nuclear Overhauser Effect Spectroscopy (NOESY)) and mass spectral data-of this novel diterpene glycoside with nine sugar moieties and containing a relatively rare 16 α-linked glycoside...
January 31, 2017: Biomolecules
https://www.readbyqxmd.com/read/28106207/natural-sweetener-agave-inhibits-gastric-emptying-in-rats-by-a-cholecystokinin-2-and-glucagon-like-peptide-1-receptor-dependent-mechanism
#13
E Bihter Gürler, Dilek Özbeyli, Hülya Buzcu, Sezin Bayraktar, İrem Carus, Beyza Dağ, Yasemin Geriş, Seda Jeral, Berrak Ç Yeğen
Low-calorie sweeteners are considered to be beneficial in calorie control, but the impact of these sweeteners on gastric emptying is not well described. The purpose of this study was to compare the gastric emptying rate of agave nectar with those of glucose and fructose, and to evaluate the interaction of cholecystokinin (CCK)-1, CCK-2 and glucagon-like peptide-1 (GLP-1) receptors in agave-induced alterations in gastric emptying. Female Sprague-Dawley rats were fitted with gastric cannulas. Following the recovery, the gastric emptying rates of glucose, fructose and agave at 12...
January 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28092151/issues-in-nutrition-carbohydrates
#14
Margaret E Thompson, Mary Barth Noel
Carbohydrates include sugars, starches, and dietary fibers. Resistant starches resemble fiber in their behavior in the intestinal tract, and may have positive effects on blood glucose levels and the gut microbiome. Fibers are classified as soluble and insoluble, but most fiber-containing foods contain a mixture of soluble and insoluble fiber. Soluble fiber has been shown to lower low-density lipoprotein cholesterol levels. Many artificial sweeteners and other sugar substitutes are available. Most natural sources of sweeteners also are energy sources...
January 2017: FP Essentials
https://www.readbyqxmd.com/read/28051308/analytical-methods-used-in-the-quality-control-of-honey
#15
Consuelo Pita-Calvo, María Esther Guerra-Rodríguez, Manuel Vázquez
Honey is a natural sweet substance produced by bees (Apis mellifera). In this work, the main parameters used in routine quality control of honey and the most commonly used analytical methods for their determination are reviewed. Honey can be adulterated with cheaper sweeteners or, indirectly, by feeding the bees with sugars. Therefore, methods for detecting and quantifying adulteration are necessary. Chromatographic techniques are widely used in honey analysis. More recently, techniques such as Raman, near-infrared, mid-infrared, and nuclear magnetic resonance spectroscopy in combination with chemometric data processing have been proposed...
February 1, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28034739/behavioral-evidence-that-select-carbohydrate-stimuli-activate-t1r-independent-receptor-mechanisms
#16
Alan C Spector, Lindsey A Schier
Three decades ago Tony Sclafani proposed the existence of a polysaccharide taste quality that was distinguishable from the taste generated by common sweeteners and that it was mediated by a separate receptor mechanism. Since that time, evidence has accumulated, including psychophysical studies conducted in our laboratory, buttressing this hypothesis. The use of knockout (KO) mice that lack functional T1R2 + T1R3 heterodimers, the principal taste receptor for sugars and other sweeteners, have been especially informative in this regard...
December 26, 2016: Appetite
https://www.readbyqxmd.com/read/28027980/assessment-of-the-carcinogenic-potential-of-high-intense-sweeteners-through-the-test-for-detection-of-epithelial-tumor-clones-warts-in-drosophila-melanogaster
#17
Mirley Alves Vasconcelos, Priscila Capelari Orsolin, Rosiane Gomes Silva-Oliveira, Júlio César Nepomuceno, Mário Antônio Spanó
High intensity-sweeteners (HIS) are natural or synthetic substances, sweeter than sugar, providing sweetness without calories. Sweeteners are mainly used as an aid in losing weight, preventing obesity and controlling blood sugar levels for diabetics. The objective of this study was to evaluate the carcinogenic potential of the sweeteners aspartame, sucralose, sodium saccharin and steviol glycoside, using the test for detection of epithelial tumor clones in Drosophila melanogaster. Larvae of 72 ± 4h, obtained from wts/TM3 female mated with mwh/mwh males, were treated for approximately 48h with different concentrations of aspartame (0...
March 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28019698/novel-product-specificity-toward-erlose-and-panose-exhibited-by-multisite-engineered-mutants-of-amylosucrase
#18
Alizée Vergès, Emmanuelle Cambon, Sophie Barbe, Claire Moulis, Magali Remaud-Siméon, Isabelle André
A computer-aided engineering approach recently enabled to deeply reshape the active site of N. polysaccharea amylosucrase for recognition of non-natural acceptor substrates. Libraries of variants were constructed and screened on sucrose allowing the identification of 17 mutants able to synthesize molecules from sole sucrose, which are not synthesized by the parental wild-type enzyme. Three of the isolated mutants as well as the new products synthesized were characterized in details. Mutants contain between 7 and 11 mutations in the active site and the new molecules were identified as being a sucrose derivative, named erlose (α-d-glucopyranosyl-(1→4)-α-d-glucopyranosyl-(1→2)-β-d-Fructose), and a new malto-oligosaccharide named panose (α-d-glucopyranosyl-(1→6)-α-d-glucopyranosyl-(1→4)-α-d-Glucose)...
March 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/27979110/sweetness-prediction-of-natural-compounds
#19
Jean-Baptiste Chéron, Iuri Casciuc, Jérôme Golebiowski, Serge Antonczak, Sébastien Fiorucci
Based on the most exhaustive database of sweeteners with known sweetness values, a new quantitative structure-activity relationship model for sweetness prediction has been set up. Analysis of the physico-chemical properties of sweeteners in the database indicates that the structure of most potent sweeteners combines a hydrophobic scaffold functionalized by a limited number of hydrogen bond sites (less than 4 hydrogen bond donors and 10 acceptors), with a moderate molecular weight ranging from 350 to 450g·mol(-1)...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27976186/liquorice-as-a-feed-additive-a-health-promoting-natural-sweetener
#20
T Kaschubek, E Mayer, G Schatzmayr, K Teichmann
No abstract text is available yet for this article.
December 2016: Planta Medica
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