Results 121 to 130 of about 2,352 (155)

Preparation of konjac glucomannan and acrylamide grafted konjac glucomannan

Wuhan University Journal of Natural Sciences, 1999
Konjac glucomannan (KGM) with good water solubility was extracted and purified by a cheap and simple method including fat-extraction, protein-extraction, decolouring, centrifuge, precipitate and other procession from tubers of amorphophallus riveiri.
Xiao Chao-bo, Gao Shan-jun, Li Guo-rong, Zhang Qun-chao   +3 more
openaire   +1 more source

Physicochemical Characterization of Konjac Glucomannan

Biomacromolecules, 2005
Four commercial konjac glucomannan (KGM) samples and a glucomannan derived from yeast were characterized by aqueous gel permeation chromatography coupled with multi angle laser light scattering (GPC-MALLS). Disaggregation of aqueous glucomannan solutions through controlled use of a microwave bomb facilitated reproducible molar mass distribution ...
Ian, Ratcliffe, Peter A, Williams, Christer, Viebke, John, Meadows   +3 more
openaire   +2 more sources

Sulfation and biological activities of konjac glucomannan

Carbohydrate Polymers, 2013
The sulfation of konjac glucomannan and its anti-HIV and blood anticoagulant activities were investigated. Konjac glucomannan is a polysaccharide occurring naturally in konjac plant tubers and has high molecular weights. Solubility in water is very low, and the aqueous solutions at low concentrations have high viscosity. Before sulfation, hydrolysis by
Surina, Bo, Tegshi, Muschin, Taisei, Kanamoto, Hideki, Nakashima, Takashi, Yoshida   +4 more
openaire   +2 more sources

Konjac glucomannan, a promising polysaccharide for OCDDS

Carbohydrate Polymers, 2014
Oral colon targeting drug delivery system (OCDDS) is a highly effective formulation for drugs absorbed by colon, or to treat colonic diseases specifically. To obtain colon targeting, many pharmaceutical approaches have been studied, among which, taking advantage of specific degradation of excipients by colon enzymes is one of the most promising ...
Cui Zhang, Ji-da Chen, Feng-qing Yang
openaire   +2 more sources

Review of konjac glucomannan

Journal of environmental polymer degradation, 1997
The paper reviews the solution and gelling properties of konjac glucomannan (KGM) and its interactions with other hydrocolloids such as xanthan and carrageenan for food applications. Research activities in the area of KGM processing in environmentally friendly aqueous environments have been discussed for coatings and packaging applications.
Vipul Davé, Stephen P. McCarthy
openaire   +1 more source

Lipase‐catalyzed modification of konjac glucomannan

Journal of Applied Polymer Science, 2006
AbstractRegioselective acylation of konjac glucomannan (KGM) with vinyl acetate in a solvent‐free system was successfully performed using Novozym 435 as a biocatalyst. The degree of substitution (DS) of the modified KGM was used to evaluate the extent of acylation.
Zhi‐Gang Chen, Min‐Hua Zong, Guang‐Ji Li   +2 more
openaire   +1 more source

Gelation Behavior of Native and Acetylated Konjac Glucomannan

Biomacromolecules, 2002
Gelation kinetics of native and acetylated konjac glucomannan (KGM) samples in the presence of alkali (sodium carbonate) was studied by dynamic viscoelastic measurements. Molecular weight and other molecular parameters of KGM were determined by static light scattering and viscosity measurements.
Long, Huang, Rheo, Takahashi, Shinsaku, Kobayashi, Tokuzo, Kawase, Katsuyoshi, Nishinari   +4 more
openaire   +2 more sources

Modifications of konjac glucomannan for diverse applications

Food Chemistry, 2018
Konjac glucomannan (KGM) is a major polysaccharide from the corm of Amorphophallus konjac. Native KGM has limited uses and has been chemically/physically/enzymatically modified to expand the range of functional properties. This mini-review summarises the recent advances of modifying KGM for diverse food and nonfood applications, focusing on the ...
openaire   +2 more sources

Rheological Properties of Graphene Oxide/Konjac Glucomannan Sol

Journal of Nanoscience and Nanotechnology, 2018
We have demonstrated there is a significant intermolecular interaction between GO and KGM that results from hydrogen bonding and physical cross-linking by studying the rheological properties of a graphene oxide/konjac glucomannan (GO/KGM) solution. When the addition of GO was 5%, the storage modulus (G') and loss modulus (G″) were only improved by 0.25%
Wenkun, Zhu, Tao, Duan, Zuowen, Hu
openaire   +2 more sources

Enzymatic Production and Characterization of Konjac Glucomannan Oligosaccharides

Journal of Agricultural and Food Chemistry, 2011
Enzymes from a balanced human gut flora are promising tools to design prebiotic oligosaccharides. In this study, we investigated the action of enzymes from fecal bacteria on the complex polysaccharide konjac glucomannan (KGM). The oligosaccharides produced were compared to oligosaccharides from KGM digests with fungal endo-β-(1,4)-glucanase (EG) or ...
Albrecht, S.A., van Muiswinkel, G.C.J., Xu, Jiqiang, Schols, H.A., Voragen, A.G.J., Gruppen, H.   +5 more
openaire   +2 more sources