Review of Levan polysaccharide: From a century of past experiences to future prospects

ET Öner, L Hernández, J Combie - Biotechnology advances, 2016 - Elsevier
Levan is a fascinating β-(2, 6)-linked fructose polymer with an unusual combination of
properties characterized in this review. In nature, levan is synthesized from sucrose by a …

The immunomodulatory properties of β-2, 6 fructans: a comprehensive review

ID Young, D Latousakis, N Juge - Nutrients, 2021 - mdpi.com
Polysaccharides such as β-2, 1-linked fructans including inulin or fructose oligosaccharides
are well-known prebiotics with recognised immunomodulatory properties. In recent years …

Levan-type FOS production using a Bacillus licheniformis endolevanase

JR Porras-Domínguez, Á Ávila-Fernández… - Process …, 2014 - Elsevier
In the present work we describe an enzymatic production method to obtain β2-6 fructose
oligosaccharides (levan-type FOS) through a sequential reaction in which a bacterial …

Nano-sized biopolymer levan: Its antimicrobial, anti-biofilm and anti-cancer effects

GK Ağçeli, N Cihangir - Carbohydrate Research, 2020 - Elsevier
Among other polysaccharides, levan is a fructan with great potential in biotechnological
applications due to its functional properties. The levan has only been available in small …

Physicochemical properties of a high molecular weight levan from Brenneria sp. EniD312

W Xu, Q Liu, Y Bai, S Yu, T Zhang, B Jiang… - International journal of …, 2018 - Elsevier
A high molecular weight levan was produced by a novel levansucrase and some properties
of this polymer were investigated. The levan exhibited a poroid microstructure as well as …

Understanding the transfer reaction network behind the non-processive synthesis of low molecular weight levan catalyzed by Bacillus subtilis levansucrase

E Raga-Carbajal, A López-Munguía, L Alvarez… - Scientific Reports, 2018 - nature.com
Under specific reaction conditions, levansucrase from Bacillus subtilis (SacB) catalyzes the
synthesis of a low molecular weight levan through the non-processive elongation of a great …

The molecular basis of the nonprocessive elongation mechanism in levansucrases

E Raga-Carbajal, A Díaz-Vilchis, SP Rojas-Trejo… - Journal of Biological …, 2021 - ASBMB
Levansucrases (LSs) synthesize levan, a β2-6-linked fructose polymer, by successively
transferring the fructosyl moiety from sucrose to a growing acceptor molecule. Elucidation of …

The anti‐obesity effects of the dietary combination of fermented red ginseng with levan in high fat diet mouse model

J Oh, SR Lee, KT Hwang, GE Ji - Phytotherapy Research, 2014 - Wiley Online Library
In this study, to evaluate the anti‐obesity effects of fermented red ginseng (FG), levan (L),
and their combination (FGL), we investigated their effects on the weights of body, liver and …

Biomolecular characterization of the levansucrase of Erwinia amylovora, a promising biocatalyst for the synthesis of fructooligosaccharides

L Caputi, SA Nepogodiev, M Malnoy… - Journal of agricultural …, 2013 - ACS Publications
Erwinia amylovora is a plant pathogen that affects Rosaceae, such as apple and pear. In E.
amylovora the fructans, produced by the action of a levansucrase (EaLsc), play a role in …

Chemical Structure and Localization of Levan, the Predominant Fructan Type in Underground Systems of Gomphrena marginata (Amaranthaceae)

EO Joaquim, AH Hayashi, LMB Torres… - Frontiers in plant …, 2018 - frontiersin.org
Gomphrena marginata Seub.(Amaranthaceae) is an endemic species from Brazilian
campos rupestres with a fructan accumulating underground reserve system. Analyses of …