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Dissertations / Theses on the topic 'Steviosid'

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Published: 4 June 2021
Last updated: 1 February 2022

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1

Ackermann, Anna [Verfasser]. "Untersuchungen zum Wachstumsverhalten und zur Säureproduktion kariogener Mikroorganismen bei Anwendung von Steviosid- und Rebaudiosid A-Produkten : Eine Pilotstudie / Anna Ackermann." Bonn : Universitäts- und Landesbibliothek Bonn, 2017. http://d-nb.info/1149252073/34.

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2

Wik, Lisette. "Artificiella sötningsmedel : En laborativ studie om nedbrytning av sötningsmedel med UV-ljus." Thesis, Umeå universitet, Farmakologi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-119744.

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Artificiella sötningsmedel används istället för vanligt socker i tandkräm men vanligast är att de används i lättprodukter samt livsmedel utan tillsatt socker som exempelvis läsk. Användandet av sötningsmedel ökar och det beror dels på att det är lämpligt för diabetespatienter och överviktiga men det är även populärt bland den övriga befolkningen då det inte innehåller någon energi. Det första artificiella sötningsmedlet upptäcktes redan 1879 och sedan dess har flera olika artificiella sötningsmedel påfunnits. När sötningsmedlen introducerades på marknaden uppkom misstankar om att de skulle ha
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3

Procházka, Václav. "Analýza nápojů slazených extrakty stévie cukerné." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2013. http://www.nusl.cz/ntk/nusl-216984.

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The steviolglycosides are the natural, sweet substances from Stevia rebaudiana Bertoni. It affect human health positively and its sweetness is 300x stronger than the sweetness of sucrose. That's why it's used to sweetening the commercial products. Because of its potential properties it's good to have an appropriate method to isolate it. High performance liquid chromatography ( HPLC) is based on the separation of analyte between two immiscible phases with high pressure pump and appropriately chosen stationary phase in the column. Than the analytes come out from the column in different retention
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4

CARDOSO, VALBERT N. "Estudos farmacocineticos do sup131I-steviosideo e seus metabolitos." reponame:Repositório Institucional do IPEN, 1993. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10342.

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Made available in DSpace on 2014-10-09T12:37:34Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:03:32Z (GMT). No. of bitstreams: 1 05177.pdf: 1071515 bytes, checksum: 549d323670762fe6597fcda6cf7ea4fc (MD5)<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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5

Porubčanová, Vladimíra. "Stanovení steviolglykosidů v nápojích." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2015. http://www.nusl.cz/ntk/nusl-217142.

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This diploma thesis deals with sweet substances from Stevia rebaudiana and with their determination in beverages. The ambition was to adjust the separation method for major steviol glycosides (stevioside and rebaudioside A) by HPLC so as to be fast and effective enough, too. In experimental part was successfully developed the separatin method, so it is possible to determine the steviol glycosides and conservation substances, specifically benzoic and sorbic acid (eventually their sodium or potassium salts). At first, for analysis was used monolithic column, on which stevioside and rebaudioside
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6

Williamson, Emily R. "Organic Synthesis of Kaurenoic Acid." Kent State University Honors College / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ksuhonors158832460424579.

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7

Sjöström, Desirée. "Gustatory responsiveness of West African Chimpanzees (Pan troglodytes verus) to seven substances tasting sweet to humans." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-142267.

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Comparative studies of taste perception have found that primates may differ markedly in their sensitivity for substances perceived as sweet by humans. These findings raise questions about the reason that may underlie these differences in sweet-taste sensitivity between species. The aim of the present study was to assess the taste responsiveness of chimpanzees (Pan troglodytes verus) to seven substances tasting sweet to humans and to compare the results with those of other primate species. Using a two-bottle preference test (1 min) I found that the taste preference thresholds of the chimpanzees
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8

Romi, Fadi, and André Holmkvist. "Effect of Stevia on oral biofilms - a pilot study in vitro." Thesis, Malmö högskola, Odontologiska fakulteten (OD), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-19811.

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SyfteSyftet med denna laborativa pilotstudie in vitro var att undersöka hur den mikrobiella sammansättningen och pH i den orala biofilmen påverkades vid upprepad exponering för Stevia (steviosid och rebaudiosid A), sackaros eller en kombination av reb A och sackaros. Ett ytterligare syfte var att studera om isolat av orala bakterier kunde metabolisera reb A i buljongkultur. Material och metodBiofilmer från tre personer blev exponerade för 0,025 % steviosid, 0,025 % reb A eller 10 % Todd Hewitt (TH) under 15 minuter tre gånger dagligen i fyra dagar. Artbestämning gjordes i början och slutet av
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9

Melo, Lauro Luis Martins Medeiros de. "Perfil sensorial como ferramenta para o desenvolvimento de chocolates ao leite Diet em sacarose e Light em calorias contendo substitutos da sacarose e de gordura." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/254224.

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Orientador: Helena Maria Andre Bolini<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-12T13:31:07Z (GMT). No. of bitstreams: 1 Melo_LauroLuisMartinsMedeirosde_D.pdf: 959944 bytes, checksum: ee44eced3d2acbc8900f5441b96782b5 (MD5) Previous issue date: 2008<br>Resumo: Atualmente, há um interesse crescente de consumidores do mundo todo por alimentos e bebidas com menores quantidades de calorias. Neste contexto, a Análise Sensorial é a única forma de se determinar a aceitação e o perfil em relação à aparência, ar
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10

Zhang, Lin. "The Effects of High Pressure Processing, Browning Additives, and Storage Period on the Inactivation of Polyphenol Oxidase in Nine Varieties of Pawpaw (Asimina Triloba L.) Pulp." Ohio University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1462352198.

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11

Dalecká, Karolína. "Využití SPE v analýze steviových glykosidů." Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-405540.

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Charles University Faculty of Pharmacy in Hradec Králové Department of Biophysics and Physical Chemistry Candidate: Karolína Dalecká Supervisor: Ing. Martin Drastík, Ph.D. Title: SPE in steviol glycosides analysis In the first part of this diploma thesis, the solid phase extraction method is described. The topics like the workflow, usability of sorbents and their formats and interactions with analytes are covered. The second part of this thesis is focused on utilization of solid phase extraction on samples containing steviol glycosides. An overview of solid phase sorbents their forms; solvents
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12

Hollá, Marcela. "Stanovení steviových glykosidů metodou HPLC." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-356228.

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Charles University Faculty of Pharmacy in Hradec Králové Department of Biophysics and Physical Chemistry Candidate: Marcela Hollá Supervisor: Ing. Martin Drastík, Ph.D. Title of Diploma Thesis: Determination of steviol glycosides by HPLC A new HPLC method was developed and validated for simultaneous detemination of major steviol glycosides stevioside and rebaudioside A in food supplements. Separation took place in hydrophilic interaction chromatography mode on column with core-shell particles. The method was aplicated on analysis of steviol glycosides in products Valosun, SlaDIA, Solia and ext
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13

Rücker, Matěj. "Stevia rebaudiana - využití v potravinářství a farmacii." Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-405915.

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Charles University Faculty of Pharmacy in Hradec Králové Department of Biophysics and Physical Chemistry Candidate: Matěj Rücker Supervisor: Ing. Martin Drastík, Ph.D. Title: Stevia rebaudiana - food and pharmaceutical industry applications The first part of this thesis deals with the description of the plant and its substances, the most important are steviolglycosides, especially stevioside and rebaudioside A. In the following chapter, the toxicity and safety are evaluated, which is directly related to the use of stevia and steviolglycosides in food and pharmaceutical practice. In the next
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14

KÜFFNEROVÁ, Nela. "Porovnání senzorických vlastností džemů slazených steviol-glykosidy a dalšími sladidly." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-376203.

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The aim of the diploma thesis was evaluation of sensoric attributes of blueberry and current jams sweetened by selected Steviol glycosides and their comparing with other sweeteners. For evaluation of sensoric attributes were used rebaudioside A, stevioside, aspartame, erythritol and sugar beet. Stevia rebaudiana var. Bertoni is a persistent plant, which contains sweetening Steviol glycosides, which have a use in food processing. They are available in the area of EU indicated as E960 since 2011. The most used Steviol glycosides are stevioside and rebaudioside A, which are demarcated with a h
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15

KÁBELOVÁ, Lenka. "Technologie pěstování Stévie sladké (Stevia rebaudiana) ve vztahu ke kvalitě produktu a jeho využití v potravinářství, medicíně a kosmetice." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-320580.

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The theoretical part of the diploma thesis deals with cultivation of the plant Stevia rebaudiana. This plant is 300x sweeter than sucrose. It is often used as a compensation for sugar sweetener, suitable for diabetics and people who suffer from overweight. There is processed the characteristics of the plant, botanical description, conditions of cultivation and chemical composition. There are described the methods of determination of steviol glycosides. The practical part elaborates on a sensorical analysis. This analysis has two parts. The first part is the evaluation of stevia concentrates wi
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16

FU, WEI-XIANG, and 傅偉祥. "Purification of steviosides." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/75096020686089765072.

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17

Chang, Jui-Chang, and 張瑞璋. "Plasma glucose lowering action of stevioside and hon-chi in Wistar rats." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/11204929803370616223.

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博士<br>國立屏東科技大學<br>食品科學系<br>94<br>Stevioside, a glycoside contained in the leaves of Stevia rebaudiana Bertoni (Compositae) used as popular sweetner, was employed to screen the effect on insulin resistance of rats induced by a diet containing 60 % fructose. Oral administration of stevioside decreased the plasma glucose concentration in a dose-dependent manner in rats received 4-week fructose-rich chow. In addition, insulin action on glucose disposal rate was measured using the glucose-insulin index, the product of the areas under the curve of glucose and insu- lin during the intraperitoneal glu
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18

Lin, Lun-Huei, and 林倫輝. "I. Study on Synthesis and Biological Activities of Stevioside Analogues; II. Study on Cytotoxicity of Cantharidinimide Derivatives." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/71057927346630345599.

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博士<br>臺北醫學大學<br>藥學系<br>92<br>I.The medicinal preparations based on the modification natural compounds frequently exceeded the native substances in the activity. In this connection investigation into the chemistry and pharmacological properties of bioactive natural substances has become an important direction in the modern bioorganic and medicinal chemistry. The renewed interest in Stevioside reflects the general trends observed in medicine were remedies of the natural origin are finding an increasing application. Stevioside 3, an ent-kaurene glycoside extracted from Stevia rebaudian
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19

Figueira, Daniela de Oliveira. "Glicosídeos do esteviol." Master's thesis, 2019. http://hdl.handle.net/10316/86723.

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Relatório de Estágio do Mestrado Integrado em Ciências Farmacêuticas apresentado à Faculdade de Farmácia<br>O consumo excessivo de açúcar tem-se vindo a tornar num dos maiores problemas de saúde pública em todo o mundo, sendo o grande causador de doenças como a Diabetes mellitus tipo 2 e a obesidade, pelo que a necessidade de se encontrar uma alternativa que leve à diminuição do seu consumo se tornou uma prioridade. Os glicosídeos do esteviol têm origem na planta Stevia rebaudiana Bertoni, originária da América do Sul, frequentemente encontrada na zona da fronteira entre o Paraguai e o Brasil.
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