what has natural pectin
What is pectin? Pectin is a naturally-occurring thickening agent that is most often used by adding it to jams, jellies and similar products to help them gel and thicken. Pectin creates a thick, clear set when it gels. It is a carbohydrate (a polysaccharide) found in and around the cell walls of plants, and helps to bind those cells together.
Pectin for Making Homemade Jam. Pectin is a naturally occurring substance (a polyscaccaride) found in berries, apples and other fruit. When heated together with sugar, it causes a thickening that is characteristic of jams and jellies. Your grandmother probably didn't use pectin.