A new natural source for obtainment of inulin and fructo-oligosaccharides from industrial waste of Stevia rebaudiana Bertoni

•Industrial waste as source for obtainment of bioactive compounds.•We obtained inulin and FOS molecules with technological and nutritional applications.•Chemical characterization of inulin and FOS by GC–MS, NMR and off-line ESI-MS.•FOS molecules with low DP are preferably fermented by beneficial mic...

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Bibliographic Details
Published in:Food chemistry 2017-06, Vol.225, p.154-161
Main Authors: Lopes, Sheila Mara Sanches, Krausová, Gabriela, Carneiro, José Walter Pedroza, Gonçalves, José Eduardo, Gonçalves, Regina Aparecida Correia, de Oliveira, Arildo José Braz
Format: Article
Language:English
Subjects:
Carbohydrate Conformation
Fermentation
Fructo-oligosaccharides
Industrial waste
Industrial Waste - analysis
Inulin
Inulin - chemistry
Inulin - metabolism
Microbiota
Prebiotic activity
Stevia - chemistry
Stevia rebaudiana
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Summary:•Industrial waste as source for obtainment of bioactive compounds.•We obtained inulin and FOS molecules with technological and nutritional applications.•Chemical characterization of inulin and FOS by GC–MS, NMR and off-line ESI-MS.•FOS molecules with low DP are preferably fermented by beneficial microbiota. 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. rebaudiana stems with a degree of polymerization (DP) of 12, and FOS with a DP
ISSN:0308-8146
1873-7072
DOI:10.1016/j.foodchem.2016.12.100