S-Space Graduate School of International Agricultural Technology (국제농업기술대학원) Dept. of International Agricultural Technology (국제농업기술학과) Journal Papers (저널논문_국제농업기술학과)
Elucidation of aqueous interactions between fish gelatin and sodium alginate
|dc.contributor.author||Razzak, Md. Abdur||en|
|dc.identifier.citation||Carbohydrate Polymers, Vol.48, pp. 181-188||-|
|dc.description.abstract||The interactions between fish gelatin (FG) and sodium alginate (AL) in aqueous solutions were investigated at 25 degrees C by turbidimetric acid titration, zeta potentiometry, dynamic light scattering, methylene blue spectrophotometry, confocal microscopy, and three types of state diagram. FG formed solid-state insoluble complexes, i.e., precipitates, with AL, mainly by electrostatic attractions; the complex formation was significantly influenced by pH, FG-to-AL weight ratio, total biopolymer concentration (C-T), and ionic strength. The insoluble complexes formed below a boundary pH (pH(phi 1)) underwent continuous aggregation during acid titration, until immediate visible precipitation occurred at another boundary pH (pH(p)). The formation and aggregation of insoluble complexes were facilitated by increasing C-T or adding small amounts of NaCl, but were greatly suppressed in the presence of high NaCl concentration. The insoluble complexes were formed reversibly depending on pH and transformed to a coupled gel network after 24 h incubation, depending on pH, C-T, and ionic strength. (C) 2016 Elsevier Ltd. All rights reserved.||en|
|dc.publisher||ELSEVIER SCI LTD||en|
|dc.subject||Elucidation of aqueous interactions between fish gelatin and sodium alginate||en|
|dc.title||Elucidation of aqueous interactions between fish gelatin and sodium alginate||en|
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