Does Lemon Juice Affect Gelatin

The Danger: The acidic treatment used to denature the collagen in animal hides leaves porcine gelatin vulnerable to solutions with a pH of 3 or below—on par with distilled white vinegar. Most desserts aren’t that acidic, but ingredients like lemon, lime, passion fruit, rhubarb, and even pomegranate are.

What does lemon juice do to jelly?

The lemon juice lowers the pH of the jam mixture, which also neutralizes those negative charges on the strands of pectin, so they can now assemble into a network that will “set” your jam.

What will prevent gelatin from thickening?

Keep in mind that certain foods-figs, ginger root, guava, kiwifruit, papaya, and pineapple-contain an enzyme that prevents gelatin from thickening. Cooking and canning destroys this enzyme so that the gelatin will gel.