Correct option is D
· Pectin: A natural gelling agent found in fruits; essential for jelly formation.
· Acid: Maintains the right pH for pectin to set properly.
· Ideal Fruits: Apples, citrus fruits, and grapes are rich in both pectin and acid.
· Process:
· Pectin forms a gel when combined with sugar and acid.
· The right balance of acid and pectin ensures a clear, firm jelly texture.