No need.

The layer of skin outside the pig bone marrow is called articular cartilage. Cartilage has extremely high nutritional value and is very suitable for the elderly and children who need calcium supplements. In addition to protein, fat, and vitamins, the nutritional value of pig cartilage also contains a large amount of calcium phosphate, collagen, bone mucin, etc., which can provide calcium for young children and the elderly, promote bone growth in young children and increase bone density in the elderly, thus Reduce the chance of fractures and delay the onset of osteoporosis. Pig cartilage contains a lot of collagen, and collagen can nourish the skin, keep the skin elastic and not rough, and has the effects of delaying aging and beautifying the skin. So no need to remove it.

1. Pig spinal cord generally refers to the bones in the pig spine. Usually, the pig spinal cord on the market also includes the meat connected to it next to the bone. There is a large amount of bone marrow in the pig spinal cord, which is cooked during cooking. Bone marrow will appear.