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What Makes Jam Set?

The Chemistry of Jam-Making

08-Jul-2016

© Compound Interest

The Chemistry of Jam-Making

If you’ve ever tried your hand at jam-making, you’ll know that it’s something of a tricky process. A number of factors need to be just right to achieve a perfectly set jam – and chemistry can help explain why. There are three key chemical entities that go into jam-making: sugar, pectin, and acids. Here, we’ll look at each in turn, and how they help jam achieve its eventual consistency.

Topics
  • acids
  • citric acid
  • tartaric acid
  • malic acid
  • pectins
  • sugars
  • jam
  • gels
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