Living · 6 pages · 12 min
How gelatin sets a liquid
Gelatin chains dissolve in heat, then tangle as they cool and trap water.
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From the opening
Gelatin sets a liquid because long protein chains, derived from collagen, dissolve when the mix is warm and then form a loose network as it cools. Water sits in that network instead of flowing, which is the gel. The opening covers collagen extracted into loose chains, junctions that form only on cooling, and why the gel melts when warmed.
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Inside
- Collagen extracted into loose chains
- Junctions that form only on cooling
- Why the gel melts when warmed
- What cuts the chains too short
- Where the idea stops applying
- A distinction worth keeping
Sources
- Collagen conversion to gelatin
- Thermoreversible gel network of gelatin chains