The highest calcium content of pig bone is pig barrel bone.

Pork barrel bone, also called pig big bone, two big ends, the center has a hole, rich in bone marrow, collagen, is the best quality bone for soup. A better barrel bone should be the leg bone of the hind leg, because the bone here is thicker. The bone marrow in the bone contains a lot of collagen, in addition to beauty, but also can promote wound healing and strengthen the body.

Pork bone soup nutrition all from raw materials, raw materials have water-soluble nutrients and non-water-soluble nutrients, water-soluble vitamin C, minerals will be a small portion of the soup, non-water-soluble proteins 90% to 93% still remain in the meat, the soup only some "amino acid fragments", the soup's nutrient content is less than 10 percent of the total. The total amount of nutrients in the soup is less than 10%.

Expanded

Pork bone contains the highest calcium place-pig bone efficacy and eating taboos

1, pig bone efficacy: bone is the more nutritious parts of the bones of the bone, not only contains some protein, iron, calcium, phosphorus and a variety of vitamins as well as the human body must be a variety of trace elements. The main reason for this is the fact that it is a good idea to have a good time with the people you are working with. Moreover, the bone marrow in the bone contains bone collagen, which can not only promote wound healing, but also strengthen the body. It also has the effect of nourishing the face, improving immunity and aiding development.　　

2, pig bone contraindication crowd: bone fracture early, cold and fever should not be eaten during the tube bone; damp and hot body eat less or eat with caution; acute intestinal inflammation infected people avoid eating tube bone. Suitable for the crowd: the general population can eat bones, calm, qi deficiency body suitable for consumption. It is more suitable for the middle-aged, the elderly and the youth to eat bones.

Source

Baidu Encyclopedia - Pork Bone

Pork Bone Soup Can't Replenish Calcium? Be alert to the four nutritional misunderstandings of eating meat - People's Daily Online