Add Yahoo as a preferred source to see more of our stories on Google. We use strawberry jam as an example to explore the underlying principles of water activity, a key technique for food preservation.

A favorite sweet spread for toast and bagels, strawberry jam tastes even better when made from the beautiful berries found in our gardens and at local produce stands. Jam is a slightly thick spread ...

If you like to spread jam on your toast or tear open a pack of fruit snacks every so often, chances are you're eating pectin on a regular basis. This useful substance is a fiber naturally found in ...

With the holidays near, there is one type of gift I’m always happy to receive — a delicious jar of homemade jam. And here’s the truth: You don’t need to be Martha Stewart or Ina Garten to make ...

Whether you spread it on warm toast, swirl it into yoghurt, or spoon it over pancakes, homemade raspberry jam is always a ...