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Hydrogels based on mucilage of underutilized cereals: Synthesis and characterization

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Title Hydrogels based on mucilage of underutilized cereals: Synthesis and characterization
 
Creator Sharma, Ritu
Gupta, Rajinder K
Rani, Archna
 
Subject Co-polymerization
Hydrogel
Mucilage
Natural polysaccharide
Structural characterization
 
Description 524-533
Mucilage is a natural polysaccharide with a variety of physicochemical and structural properties. Plant-derived mucilage
has a wide range of applications, such as binding agent, stabilizer, emulsifying agent, thickening agent, and gelling agent.
This study investigated the potential of underutilized cereals’ mucilage and further explored their application by
synthesizing mucilage-based hydrogels. For this purpose, we have explored four new sources of mucilage, namely adzuki
beans (Ab), amaranth (Am), proso millet (Pr), and little millet (Lm). The underutilized cereals’ mucilage application has been
examined by developing hydrogels through the free radical co-polymerization technique. Mucilages are confirmed to be a
natural thickening and a substitute for synthetic polymers after being evaluated physically and phytochemically. Structural
analysis of mucilages and their hydrogels (AbH, AmH, PrH & LmH) were characterized by using FTIR-ATR, XRD,
1H & 13C NMR techniques. It confirms that all four mucilages are rich in polysaccharide residues and grafting of sodium
acrylate has been successfully done on mucilages. Thermal gravimetric analyses represent the better thermal stability of the
synthesized hydrogels than their respective mucilages. SEM confirms the porous structure of the mucilages and their
hydrogels. All of these studies demonstrated that the underutilized mucilage from cereals might be a good feedstock for a
hydrogel-forming agent, which can be explored in the food, cosmetics, and pharmaceutical industries.
 
Date 2023-07-11T05:25:19Z
2023-07-11T05:25:19Z
2023-07
 
Type Article
 
Identifier 0975-0991 (Online); 0971-457X (Print)
http://nopr.niscpr.res.in/handle/123456789/62281
https://doi.org/10.56042/ijct.v30i4.70238
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJCT Vol.30(4) [July 2023]