Potential of Inulin-Fructooligosaccharides Extract Produced from Red Onion (<i>Allium cepa</i> var. <i>viviparum</i> (Metz) Mansf.) as an Alternative Prebiotic Product

Red onion is a popular ingredient in many Thai dishes and has recently been promoted for commercial cultivation. In this study, inulin-fructooligosaccharides (inulin-FOSs) were extracted from red onions in a simplified extraction method. The extract contained 24.00 ± 0.38 g/L free glucose, fructose...

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Autores principales: Jakkrit Aisara, Pairote Wongputtisin, Somkid Deejing, Chutamas Maneewong, Kridsada Unban, Chartchai Khanongnuch, Paul Kosma, Markus Blaukopf, Apinun Kanpiengjai
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Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/d7e5b9b015cc49a98e8a95697e55eaa7
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spelling oai:doaj.org-article:d7e5b9b015cc49a98e8a95697e55eaa72021-11-25T18:46:18ZPotential of Inulin-Fructooligosaccharides Extract Produced from Red Onion (<i>Allium cepa</i> var. <i>viviparum</i> (Metz) Mansf.) as an Alternative Prebiotic Product10.3390/plants101124012223-7747https://doaj.org/article/d7e5b9b015cc49a98e8a95697e55eaa72021-11-01T00:00:00Zhttps://www.mdpi.com/2223-7747/10/11/2401https://doaj.org/toc/2223-7747Red onion is a popular ingredient in many Thai dishes and has recently been promoted for commercial cultivation. In this study, inulin-fructooligosaccharides (inulin-FOSs) were extracted from red onions in a simplified extraction method. The extract contained 24.00 ± 0.38 g/L free glucose, fructose and sucrose, while the level of FOSs was recorded at 74.0 ± 2.80 g/L with a degree of polymerization of 4.1. The extract was resistant to simulated gastrointestinal conditions, while selectively promoting probiotic lactobacilli. These outcomes resulted in inhibitory effects against various pathogenic bacteria. The in vitro batch culture fermentation of the extract by natural mixed culture indicated that an unknown sugar identified as neokestose was more rapidly fermented than 1-kestose and other longer-chain inulin-FOSs. Notably, neokestose selectively encouraged a bifidogenic effect, specifically in terms of the growth of <i>Bifidobacteirum breve</i>, which is an infant-type probiotic bacterium. This is the first report to state that neokestose could selectively enhance the bifidogenic effect. In summary, inulin-FOSs extract should be recognized as a multifunctional ingredient that can offer benefits in food and pharmaceutical applications.Jakkrit AisaraPairote WongputtisinSomkid DeejingChutamas ManeewongKridsada UnbanChartchai KhanongnuchPaul KosmaMarkus BlaukopfApinun KanpiengjaiMDPI AGarticlered onionfructooligosaccharidesprebioticsbifidogenic effectBotanyQK1-989ENPlants, Vol 10, Iss 2401, p 2401 (2021)
institution DOAJ
collection DOAJ
language EN
topic red onion
fructooligosaccharides
prebiotics
bifidogenic effect
Botany
QK1-989
spellingShingle red onion
fructooligosaccharides
prebiotics
bifidogenic effect
Botany
QK1-989
Jakkrit Aisara
Pairote Wongputtisin
Somkid Deejing
Chutamas Maneewong
Kridsada Unban
Chartchai Khanongnuch
Paul Kosma
Markus Blaukopf
Apinun Kanpiengjai
Potential of Inulin-Fructooligosaccharides Extract Produced from Red Onion (<i>Allium cepa</i> var. <i>viviparum</i> (Metz) Mansf.) as an Alternative Prebiotic Product
description Red onion is a popular ingredient in many Thai dishes and has recently been promoted for commercial cultivation. In this study, inulin-fructooligosaccharides (inulin-FOSs) were extracted from red onions in a simplified extraction method. The extract contained 24.00 ± 0.38 g/L free glucose, fructose and sucrose, while the level of FOSs was recorded at 74.0 ± 2.80 g/L with a degree of polymerization of 4.1. The extract was resistant to simulated gastrointestinal conditions, while selectively promoting probiotic lactobacilli. These outcomes resulted in inhibitory effects against various pathogenic bacteria. The in vitro batch culture fermentation of the extract by natural mixed culture indicated that an unknown sugar identified as neokestose was more rapidly fermented than 1-kestose and other longer-chain inulin-FOSs. Notably, neokestose selectively encouraged a bifidogenic effect, specifically in terms of the growth of <i>Bifidobacteirum breve</i>, which is an infant-type probiotic bacterium. This is the first report to state that neokestose could selectively enhance the bifidogenic effect. In summary, inulin-FOSs extract should be recognized as a multifunctional ingredient that can offer benefits in food and pharmaceutical applications.
format article
author Jakkrit Aisara
Pairote Wongputtisin
Somkid Deejing
Chutamas Maneewong
Kridsada Unban
Chartchai Khanongnuch
Paul Kosma
Markus Blaukopf
Apinun Kanpiengjai
author_facet Jakkrit Aisara
Pairote Wongputtisin
Somkid Deejing
Chutamas Maneewong
Kridsada Unban
Chartchai Khanongnuch
Paul Kosma
Markus Blaukopf
Apinun Kanpiengjai
author_sort Jakkrit Aisara
title Potential of Inulin-Fructooligosaccharides Extract Produced from Red Onion (<i>Allium cepa</i> var. <i>viviparum</i> (Metz) Mansf.) as an Alternative Prebiotic Product
title_short Potential of Inulin-Fructooligosaccharides Extract Produced from Red Onion (<i>Allium cepa</i> var. <i>viviparum</i> (Metz) Mansf.) as an Alternative Prebiotic Product
title_full Potential of Inulin-Fructooligosaccharides Extract Produced from Red Onion (<i>Allium cepa</i> var. <i>viviparum</i> (Metz) Mansf.) as an Alternative Prebiotic Product
title_fullStr Potential of Inulin-Fructooligosaccharides Extract Produced from Red Onion (<i>Allium cepa</i> var. <i>viviparum</i> (Metz) Mansf.) as an Alternative Prebiotic Product
title_full_unstemmed Potential of Inulin-Fructooligosaccharides Extract Produced from Red Onion (<i>Allium cepa</i> var. <i>viviparum</i> (Metz) Mansf.) as an Alternative Prebiotic Product
title_sort potential of inulin-fructooligosaccharides extract produced from red onion (<i>allium cepa</i> var. <i>viviparum</i> (metz) mansf.) as an alternative prebiotic product
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/d7e5b9b015cc49a98e8a95697e55eaa7
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