Gelatin ishyirwa mugelatine y'urupapuro, gelatin ntabwo ibaho mu buryo busanzwe, ikomoka ku ruhu rw'inyamaswa, ku magufwa, ku mitsi n'izindi ngingo zirimo kolajeni, nyuma yo kuvurwa mu buryo butandukanye, kwangirika kwa hydrolysis igice bivangwa n'uruvange rwa polypeptide rutandukanye, rugizwe na aside amine zirenga 20.
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