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https://www.readbyqxmd.com/read/28922721/hydroalcoholic-extract-of-stevia-rebaudiana-bert-leaves-and-stevioside-ameliorates-lipopolysaccharide-induced-acute-liver-injury-in-rats
#1
Latha S, Sheetal Chaudhary, Ray R S
Oxidative stress and hepatic inflammatory response is primarily implicated in the pathogenesis of LPS induced acute liver injury. Stevioside, a diterpenoidal glycoside isolated from the Stevia rebaudiana leaves, exerts potent anti-oxidant, anti-inflammatory and immunomodulatory activities. The present study was aimed to investigate the hepatoprotective effect of hydroalcoholic extract of Stevia rebaudiana leaves (STE EXT) and its major phytochemical constituent, stevioside (STE) in LPS induced acute liver injury...
September 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28903608/influence-of-substrates-on-the-in-vitro-kinetics-of-steviol-glucuronidation-and-interaction-between-steviol-glycosides-metabolites-and-ugt2b7
#2
Jun-Ming Chen, Yong-Mei Xia, Yan-Dong Zhang, Tong-Tong Zhang, Qing-Rui Peng, Yun Fang
Steviol glycosides, a natural sweetener, may perform bioactivities via steviol, their main metabolite in human digestion. The metabolising kinetics, i.e. glucuronidation kinetics and interaction between steviol glycosides or their metabolites and metabolising enzyme, are important for understanding the bioactivity and cytotoxicity. The present study investigated kinetics of steviol glucuronidation in human liver microsome and a recombinant human UDP-glucuronosyltransferases isomer, UGT2B7, along with molecular docking to analyse interaction between UGT2B7 and steviol or glucose...
September 13, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28887089/steviol-an-aglycone-of-steviol-glycoside-sweeteners-interacts-with-the-pregnane-x-pxr-and-aryl-hydrocarbon-ahr-receptors-in-detoxification-regulation
#3
Jan Dusek, Alejandro Carazo, Frantisek Trejtnar, Lucie Hyrsova, Ondřej Holas, Tomas Smutny, Stanislav Micuda, Petr Pavek
Stevia rebaudiana Bertoni is a herb known for the high content of natural sweeteners in its leaves. Its main secondary metabolite stevioside is used as non-caloric sweetener. No information, however, is available on whether stevioside or steviol interact with drug-metabolizing enzymes and pose the potential risk of food-drug interactions. Similarly, data are lacking on the interactions of steviol and stevioside with key nuclear receptors controlling the expression of the main drug metabolizing enzymes. We studied the interactions of steviol and stevioside with the pregnane X (PXR), vitamin D (VDR), constitutive androstane (CAR), farnesoid X (FXR), glucocorticoid (GR) and aryl hydrocarbon (AHR) receptors, which control expression of genes of xenobiotic metabolism...
September 5, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28886311/effect%C3%A2-of%C3%A2-sucrose-concentrations-on-stevia-rebaudiana-bertoni-tissue-culture-and-gene-expression
#4
T Ghorbani, D Kahrizi, M Saeidi, I Arji
Stevia rebaudiana (Bert.) Bertoni is known as sweet plant which it contains a high level of steviol glycosides in the leaves.  This plant has been used from centuries ago as a sweetener for tea. One of the most important steviol glycosides is stevioside that is attractive for diabetic persons. Tissue culture is the only rapid process for the mass propagation of stevia. One of the most important factors in the medium is sucrose that is a necessary for plant growth. In the present study, we use nodal segments of the stem as explants in mediums with different sucrose concentration (50 mM, 100mM and 150mM)...
August 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28876399/new-seminal-variety-of-stevia-rebaudiana-obtaining-fractions-with-high-antioxidant-potential-of-leaves
#5
Paula G Milani, Maysa Formigoni, Antonio S Dacome, Livia Benossi, Cecília E M DA Costa, Silvio C DA Costa
The aim of this study was to determine the composition and antioxidant potential of leaves of a new variety of Stevia rebaudiana (Stevia UEM-13). Stevia leaves of UEM-13 contain rebaudioside A as the main glycoside, while most wild Stevia plants contain stevioside. Furthermore can be multiplied by seed, which reduces the cost of plant culture techniques as other clonal varieties are multiplied by buds, requiring sophisticated and expensive seedling production systems. Ethanol and methanol were used in the extraction to determine the bioactive compounds...
August 31, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28838349/effect-of-kh2po4-on-gene-expression-morphological-and-biochemical-characteristics-of-stevia-rebaudiana-bertoni-under-in-vitro-conditions
#6
D Kahrizi, S M Ghari, M Ghaheri, F Fallah, T Ghorbani, A Beheshti Ale Agha, E Kazemi, Z Ansarypour
Stevia rebaudiana is one of the most important biologically sourced and low-calorie sweeteners Bertoni that has a lot of steviol glycosides. Tissue culture is the best for propagation of stevia and micro nutrients can affect both morphological traits and steviol glycosides production. Therefore, the effect of different concentrations of KH2PO4on stevia growth factors and gene expression had been studied by tissue culture methods, RT-PCR and HPLC. According the results, bud numbers had increased significantly in MS + 0...
August 15, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28838348/effect-of-salinity-on-gene-expression-morphological-and-biochemical-characteristics-of-stevia-rebaudiana-bertoni-under-in-vitro-conditions
#7
F Fallah, F Nokhasi, M Ghaheri, D Kahrizi, A Beheshti Ale Agha, T Ghorbani, E Kazemi, Z Ansarypour
Stevia rebaudiana Bertoni is a famous medicinal plant for its low calorific value compounds which are named steviol glycosides (SGs) and they are 150-300 times sweeter than sugar. Among various SGs, stevioside and rebaudioside A considered to be the main sweetening compounds.  Soil salinity is one of the most essential stress in the world. Salinity affects the survival and yield of crops. In current study the effects of salinity and osmotic stress caused by different concentration of NaCl (0, 20, 40, 60 and 80 mM) on morphological traits, genes expressionand amount of both stevioside and rebaudioside Aunder in vitro conditions has been investigated...
August 15, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28763974/development-of-low-calorie-jams-with-increased-content-of-natural-dietary-fibre-made-from-tomato-pomace
#8
Miona Belović, Aleksandra Torbica, Ivana Pajić-Lijaković, Jasna Mastilović
In this study, four jam formulations were developed, starting with the basic formulation (Jam 1) containing sucrose and without added pectin. Sucrose was partially (50%) replaced by stevioside in formulations of Jam 2 and 3, while in Jam 4 sucrose was completely replaced by fructose and stevioside, making this formulation suitable for diabetic patients. Jam formulations 1 and 2, prepared without added pectin, were thermally stable in the temperature range of 25-90°C, which indicate their potential use as fruit fillings...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28754349/effect-of-steviol-steviol-glycosides-and-stevia-extract-on-glucocorticoid-receptor-signaling-in-normal-and-cancer-blood-cells
#9
Christina Panagiotou, Chrysovalantou Mihailidou, George Brauhli, Olga Katsarou, Paraskevi Moutsatsou
The use of steviol glycosides as non-caloric sweeteners has proven to be beneficial for patients with type 2 diabetes mellitus (T2D), obesity, and metabolic syndrome. However, recent data demonstrate that steviol and stevioside might act as glucocorticoid receptor (GR) agonists and thus correlate with adverse effects on metabolism. Herein, we evaluated the impact of steviol, steviol glycosides, and a Greek-derived stevia extract on a number of key steps of GR signaling cascade in peripheral blood mononuclear cells (PBMCs) and in Jurkat leukemia cells...
July 25, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28748072/the-evaluation-of-saccharose-replacing-by-adding-stevioside-maltodextrin-mixture-on-the-physicochemical-and-sensory-properties-of-naanberenji-an-iranian-confectionary
#10
Amirpouya Ghandehari Yazdi, Mohammad Hojjatoleslamy, Javad Keramat, Mahshid Jahadi, Elahe Amani
Stevia is a natural, non-nutritive sweetener can replace sugar in your diet to control diabetes and aid in weight loss. Naanberenji, an Iranian traditional cookie, is a well-reputed confectionary containing high sucrose and calorie value, for this reason its consumption in healthy diet has been restricted. In this study, the effect of sucrose replacement by stevioside-maltodextrin mixture on physicochemical properties of Naanberenji was evaluated in four replacing levels including 25%, 50%, 75%, and 100%. Results of texture evaluation revealed that hardness increases due to adding stevioside-maltodextrin (p < ...
July 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28716847/nonnutritive-sweeteners-and-cardiometabolic-health-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials-and-prospective-cohort-studies
#11
REVIEW
Meghan B Azad, Ahmed M Abou-Setta, Bhupendrasinh F Chauhan, Rasheda Rabbani, Justin Lys, Leslie Copstein, Amrinder Mann, Maya M Jeyaraman, Ashleigh E Reid, Michelle Fiander, Dylan S MacKay, Jon McGavock, Brandy Wicklow, Ryan Zarychanski
BACKGROUND: Nonnutritive sweeteners, such as aspartame, sucralose and stevioside, are widely consumed, yet their long-term health impact is uncertain. We synthesized evidence from prospective studies to determine whether routine consumption of non-nutritive sweeteners was associated with long-term adverse cardiometabolic effects. METHODS: We searched MEDLINE, Embase and Cochrane Library (inception to January 2016) for randomized controlled trials (RCTs) that evaluated interventions for nonnutritive sweeteners and prospective cohort studies that reported on consumption of non-nutritive sweeteners among adults and adolescents...
July 17, 2017: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/28714761/gamma-irradiation-of-medicinally-important-plants-and-the-enhancement-of-secondary-metabolite-production
#12
P Vivek Vardhan, Lata I Shukla
PURPOSE: The profitable production of some important plant-based secondary metabolites (ginsenosides, saponins, camptothecin, shikonins etc.) in vitro by gamma irradiation is a current area of interest. We reviewed different types of secondary metabolites, their mode of synthesis and effect of γ-radiation on their yield for different plants, organs and in vitro cultures (callus, suspension, hairy root). Special effort has been made to review the biochemical mechanisms underlying the increase in secondary metabolites...
July 17, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28709091/evaluating-the-photocatalytic-treatment-of-stevioside-by-tio2-in-different-aqueous-matrices-and-identification-of-transformation-products
#13
V A Sakkas, M Sarro, M Kalaboka, V Santoro, T Albanis, P Calza, C Medana
The present study reports the photocatalytic transformation of stevioside, under simulated solar irradiation using TiO2 as a photocatalyst. As a tool of investigating the effect of various aqueous matrices, as well as, the initial stevioside concentration on the variation of the photocatalytic efficiency, a fully nested experimental design was employed. A significant impact on the degradation rate of the sweetener was observed: degradation rate decreases in the order distilled water>river water>lake water, attributed to the increased natural organic matter content of the respective natural water samples...
December 31, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28666887/stevia-and-stevioside-protect-against-cisplatin-nephrotoxicity-through-inhibition-of-erk1-2-stat3-and-nf-%C3%AE%C2%BAb-activation
#14
Iva Potočnjak, Dalibor Broznić, Marija Kindl, Matija Kropek, Sanda Vladimir-Knežević, Robert Domitrović
We investigated the effect of natural sweetener Stevia rebaudiana and its constituent stevioside in cisplatin (CP)-induced kidney injury. Male BALB/cN mice were orally administered 10, 20, and 50 mg/kg body weight of Stevia rebaudiana ethanol extract (SE) or stevioside 50 mg/kg, 48 h after intraperitoneal administration of CP (13 mg/kg). Two days later, CP treatment resulted in histopathological changes showing kidney injury. Increased expression of 4-hydroxynonenal (4-HNE), 3-nitrotyrosine (3-NT), and heme oxygenase-1 (HO-1) in mice kidneys suggested oxidative stress...
September 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28454400/stevioside-induced-cytotoxicity-in-colon-cancer-cells-via-reactive-oxygen-species-and-mitogen-activated-protein-kinase-signaling-pathways-mediated-apoptosis
#15
Hai-Peng Ren, Xiao-Yan Yin, Hai-Ying Yu, Hai-Feng Xiao
The role of mitogen-activated protein kinase (MAPK) signaling pathways in cell growth and differentiation has been well established. The present study aimed to investigate the anti-proliferative effect of stevioside on human colon cancer HT-29 cells. Additionally, the effect of stevioside on cell cycle arrest and MAPK signaling pathways in HT-29 cells was explored. Stevioside was observed to significantly inhibit cancer cell growth at a dose of 5 µM at 48 and 72 h. A dose-dependent increase in the apoptosis rate was observed with cell cycle arrest at G2/M phase...
April 2017: Oncology Letters
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
#16
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/28428073/isosteviol-prevents-the-prolongation-of-action-potential-in-hypertrophied-cardiomyoctyes-by-regulating-transient-outward-potassium-and-l-type-calcium-channels
#17
Zhuo Fan, Nanying Lv, Xiao Luo, Wen Tan
Cardiac hypertrophy is a thickening of the heart muscle that is associated with cardiovascular diseases such as hypertension and myocardial infarction. It occurs initially as an adaptive process against increased workloads and often leads to sudden arrhythmic deaths. Studies suggest that the lethal arrhythmia is attributed to hypertrophy-induced destabilization of cardiac electrical activity, especially the prolongation of the action potential. The reduced activity of Ito is demonstrated to be responsible for the ionic mechanism of prolonged action potential duration and arrhythmogeneity...
April 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28372164/optimization-of-microwave-assisted-extraction-of-total-extract-stevioside-and-rebaudioside-a-from-stevia-rebaudiana-bertoni-leaves-using-response-surface-methodology-rsm-and-artificial-neural-network-ann-modelling
#18
Kashif Ameer, Seong-Woo Bae, Yunhee Jo, Hyun-Gyu Lee, Asif Ameer, Joong-Ho Kwon
Stevia rebaudiana (Bertoni) consists of stevioside and rebaudioside-A (Reb-A). We compared response surface methodology (RSM) and artificial neural network (ANN) modelling for their estimation and predictive capabilities in building effective models with maximum responses. A 5-level 3-factor central composite design was used to optimize microwave-assisted extraction (MAE) to obtain maximum yield of target responses as a function of extraction time (X1: 1-5min), ethanol concentration, (X2: 0-100%) and microwave power (X3: 40-200W)...
August 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28366770/a-bio-cultural-approach-to-the-study-of-food-choice-the-contribution-of-taste-genetics-population-and-culture
#19
Davide S Risso, Cristina Giuliani, Marco Antinucci, Gabriella Morini, Paolo Garagnani, Sergio Tofanelli, Donata Luiselli
The study of food choice, one of the most complex human traits, requires an integrated approach that takes into account environmental, socio-cultural and biological diversity. We recruited 183 volunteers from four geo-linguistic groups and highly diversified in terms of both genetic background and food habits from whom we collected genotypes and phenotypes tightly linked to taste perception. We confirmed previous genetic associations, in particular with stevioside perception, and noted significant differences in food consumption: in particular, broccoli, mustard and beer consumption scores were significantly higher (Adjusted P = 0...
March 31, 2017: Appetite
https://www.readbyqxmd.com/read/28363166/insight-into-anti-diabetic-effect-of-low-dose-of-stevioside
#20
Vladimirka Ilić, Saša Vukmirović, Nebojša Stilinović, Ivan Čapo, Milan Arsenović, Boris Milijašević
Diabetes mellitus is a chronic disease characterized by abnormal carbohydrate, lipid and protein metabolism due to a lack of insulin or reduced target cell sensitivity to insulin. Stevia rebaudiana is an important source of biochemically active substances with proven anti-diabetic effect. The aim of this study was to determine anti-diabetic effects of the low dose of stevioside in NMRI Haan mice. Aqueous stevioside solution (20mg/kg body weight) was administered by oral route of administration. Anti-diabetic effect of stevioside was estimated by oral glucose tolerance test, adrenaline test after a 10day stevioside treatment, and alloxan induced hyperglycaemia in mice (two experimental groups, 10day stevioside treatment before and after alloxan administration)...
June 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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