Chemical characterization and prebiotic activity of fructo-oligosaccharides from Stevia rebaudiana (Bertoni) roots and in vitro adventitious root cultures

•In vitro adventitious root cultures of Stevia rebaudiana in a roller bottle system.•Extraction of fructo-oligosaccharides (FOSs) from Stevia rebaudiana roots and adventitious root cultures.•Similar chemical profiles of the extracts analyzed by NMR, GC–MS and off-line ESI–MS.•FOSs from Stevia rebaud...

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Published in:	Carbohydrate polymers Vol. 152; pp. 718 - 725
Main Authors:	Sanches Lopes, Sheila Mara, Francisco, Mariane Grigio, Higashi, Bruna, de Almeida, Rafaela Takako Ribeiro, Krausová, Gabriela, Pilau, Eduardo Jorge, Gonçalves, José Eduardo, Gonçalves, Regina Aparecida Correia, Oliveira, Arildo José Braz de
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 05-11-2016
Subjects:	Adventitious root cultures Fructo-oligosaccharides Prebiotic potential Stevia rebaudiana Agar (PubChem CID: 76645041) GI DPn Glucose (PubChem CID: 5793) MS FOSs Fructo-oligosaccharides DP 1-SST 1-FFT Tween 80 (PubChem CID: 86289060) Sucrose (PubChem CID: 5988) α-Naphthaleneacetic Acid (PubChem CID: 6862) l-Cysteine Hydrochloride (PubChem CID: 60960) Trifluoroacetic Acid (PubChem CID: 6422) Adventitious root cultures Inulin from chicory (PubChem CID: 16219508) Stevia rebaudiana Fructose (PubChem CID: 5984) Ethanol (PubChem CID: 702) Prebiotic potential
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Summary:	•In vitro adventitious root cultures of Stevia rebaudiana in a roller bottle system.•Extraction of fructo-oligosaccharides (FOSs) from Stevia rebaudiana roots and adventitious root cultures.•Similar chemical profiles of the extracts analyzed by NMR, GC–MS and off-line ESI–MS.•FOSs from Stevia rebaudiana enhanced the growth of both bifidobacteria and lactobacilli with strains specificity. Stevia rebaudiana (Bertoni) is widely studied because of its foliar steviol glycosides. Fructan-type polysaccharides were recently isolated from its roots. Fructans are reserve carbohydrates that have important positive health effects and technological applications in the food industry. The objective of the present study was to isolate and characterize fructo-oligosaccharides (FOSs) from S. rebaudiana roots and in vitro adventitious root cultures and evaluate the potential prebiotic effect of these molecules. The in vitro adventitious root cultures were obtained using a roller bottle system. Chemical analyses (gas chromatography-mass spectrometry, 1H nuclear magnetic resonance, and off-line electrospray ionization-mass spectrometry) revealed similar chemical properties of FOSs that were obtained from the different sources. The potential prebiotic effects of FOSs that were isolated from S. rebaudiana roots enhanced the growth of both bifidobacteria and lactobacilli, with strains specificity in their fermentation ability.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0144-8617 1879-1344
DOI:	10.1016/j.carbpol.2016.07.043