Characterization of Microbial Degradation Products of Steviol Glycosides

Steviol glycosides were subjected to bacteria present in a soil sample collected from a Stevia plantation in Paraguay. During the incubation experiments, next to the aglycon steviol, steviol degradation products were also formed. X-ray analysis and NMR methods in combination with chemical synthesis...

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Autores principales:	Gert Steurs, Nico Moons, Luc Van Meervelt, Boudewijn Meesschaert, Wim Michel De Borggraeve
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	steviol glycoside degradation microbial degradation soil bacteria NMR X-ray structure GIAO NMR calculations Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/7db63fc012b84cda9072e9459d6ba835
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spelling	oai:doaj.org-article:7db63fc012b84cda9072e9459d6ba8352021-11-25T18:28:25ZCharacterization of Microbial Degradation Products of Steviol Glycosides10.3390/molecules262269161420-3049https://doaj.org/article/7db63fc012b84cda9072e9459d6ba8352021-11-01T00:00:00Zhttps://www.mdpi.com/1420-3049/26/22/6916https://doaj.org/toc/1420-3049Steviol glycosides were subjected to bacteria present in a soil sample collected from a Stevia plantation in Paraguay. During the incubation experiments, next to the aglycon steviol, steviol degradation products were also formed. X-ray analysis and NMR methods in combination with chemical synthesis and GIAO NMR calculations were used to fully characterize the structure of these compounds as a tricyclic ketone and the corresponding reduced form. They were nicknamed <i>monicanone</i> and <i>monicanol</i>. The latter has the (<i>S</i>)-configuration at the alcohol site.Gert SteursNico MoonsLuc Van MeerveltBoudewijn MeesschaertWim Michel De BorggraeveMDPI AGarticlesteviol glycoside degradationmicrobial degradationsoil bacteriaNMRX-ray structureGIAO NMR calculationsOrganic chemistryQD241-441ENMolecules, Vol 26, Iss 6916, p 6916 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	steviol glycoside degradation microbial degradation soil bacteria NMR X-ray structure GIAO NMR calculations Organic chemistry QD241-441
spellingShingle	steviol glycoside degradation microbial degradation soil bacteria NMR X-ray structure GIAO NMR calculations Organic chemistry QD241-441 Gert Steurs Nico Moons Luc Van Meervelt Boudewijn Meesschaert Wim Michel De Borggraeve Characterization of Microbial Degradation Products of Steviol Glycosides
description	Steviol glycosides were subjected to bacteria present in a soil sample collected from a Stevia plantation in Paraguay. During the incubation experiments, next to the aglycon steviol, steviol degradation products were also formed. X-ray analysis and NMR methods in combination with chemical synthesis and GIAO NMR calculations were used to fully characterize the structure of these compounds as a tricyclic ketone and the corresponding reduced form. They were nicknamed <i>monicanone</i> and <i>monicanol</i>. The latter has the (<i>S</i>)-configuration at the alcohol site.
format	article
author	Gert Steurs Nico Moons Luc Van Meervelt Boudewijn Meesschaert Wim Michel De Borggraeve
author_facet	Gert Steurs Nico Moons Luc Van Meervelt Boudewijn Meesschaert Wim Michel De Borggraeve
author_sort	Gert Steurs
title	Characterization of Microbial Degradation Products of Steviol Glycosides
title_short	Characterization of Microbial Degradation Products of Steviol Glycosides
title_full	Characterization of Microbial Degradation Products of Steviol Glycosides
title_fullStr	Characterization of Microbial Degradation Products of Steviol Glycosides
title_full_unstemmed	Characterization of Microbial Degradation Products of Steviol Glycosides
title_sort	characterization of microbial degradation products of steviol glycosides
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/7db63fc012b84cda9072e9459d6ba835
work_keys_str_mv	AT gertsteurs characterizationofmicrobialdegradationproductsofsteviolglycosides AT nicomoons characterizationofmicrobialdegradationproductsofsteviolglycosides AT lucvanmeervelt characterizationofmicrobialdegradationproductsofsteviolglycosides AT boudewijnmeesschaert characterizationofmicrobialdegradationproductsofsteviolglycosides AT wimmicheldeborggraeve characterizationofmicrobialdegradationproductsofsteviolglycosides
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Characterization of Microbial Degradation Products of Steviol Glycosides

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