Comparative study of the yield and physicochemical properties of collagen from Sea Cucumber (Holothuria scabra), Obtained through Dialysis and the Ultrafiltration Membrane by Saallah, Suryani, Roslan, Jumardi, Julius, Flavian Sheryl, Saallah, Sharinee, Mohamad Razali, Umi Hartina, Pindi, Wolyna, Sulaiman, Mohd Rosni, Pa’ee, Khairul Faizal, Mustapa Kamal, Siti Mazlina