Jam bụ ihe gel (sugar na acidity regulator nwere ike ịgbakwunye) nke a na-eme site na ịkụpịa na esi mkpụrụ osisi ahụ mgbe emechara ya.Jams ndị a na-ahụkarị gụnyere ndị a: jam strawberry, jam blueberry, jam apụl, jam oroma peel jam, kiwi jam, jam oroma, jam bayberry jam, jam cherry, jam karọt, ketchup, ...
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