Structuring of biopolymer products - Water binding in biopolymer mixtures
6 important questions on Structuring of biopolymer products - Water binding in biopolymer mixtures
Rate the types of water from close to the biopolymer to far from the biopolymer
- Loosely bound water
- Interfacial water --> monolayer + multilayers
- Constitutional water/structural water
- Bulk water
- Constitutional water/structural water
- Interfacial water --> monolayer + multilayers
- Loosely bound water
- Bulk water
Far from biopolymer
What is the value of χ when the biopolymer has a high affinity for moisture and what value if it does not really like water?
Does not like water --> χ is positive
What does the Flory-Rhener theory consist of?
- the interaction between the biopolymer and the water (first part of the equation)
- the elastic contribution (second part of the equation)
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What is the cause of swelling of a gel at different water activities?
- Low aw --> interaction between biopolymer and solvent (water)
- High aw --> crosslink density
By which 2 parameters it he swelling capacity influenced?
How are Mc (molecular weight between the crosslinks) and crosslink density related?
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