Interactions in food - Depletion interaction
6 important questions on Interactions in food - Depletion interaction
What happens with depletion interactions?
Osmotic pressure difference (osmotic pressure between particles is lower), the water between the particles will move outside, to decrease the concentration of polymers there. The particles are pushed together and aggregate/flocculate.
What is lighter? Protein aggregates or polymers?
What happens when the polymer concentration is high enough to cover the surface of the particles?
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What happens when the polymer concentration is too low to cover the surface of the particles?
What does the size of the polymers have to do with the depletion interactions?
Which conformation of polymers do you have? And what is their size?
- Globular --> smallest
- Random coil --> intermediate
- Rigid rod --> largest
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