The textural properties and microstructure of the gels were investigated by Texture Analyzer, Rheometer and SEM. 
Texture Analyzer
The textural properties and microstructure of the gels were investigated by Texture Analyzer, Rheometer and SEM. 
Rheometer
The textural properties and microstructure of the gels were investigated by Texture Analyzer, Rheometer and SEM.  SEM demonstrated the porosity of the freeze-dried samples. 
SEM