... spray drying method to remove moisture rapidly, and use fluidized bed to reduce temperture to ensure the quality steady. The product ... found in the connective tissues in the body, including the skin, bones, cartilage, tendons, and ligaments. But with aging,peoples own ... absorption from man-made collagen. Collagen can be extracted from Skin or Gristle of fresh Marine fish , Bovine, Porcine, and ...