Pig's trotters are rich in collagen, but the fat content is lower than that of fat. Chinese medicine believes that pig's trotters are flat, sweet and salty, and their nutrition is comparable to bear's paw; Collagen in pig's trotters can also promote the growth of hair and nails, keep skin soft and delicate, and improve systemic microcirculation.

2, duck feet, chicken feet, chicken wings, goose feet, duck wings and other poultry claws and wings, which also contain a lot of collagen, dermis, tendons, bones have a lot of collagen, but the amount of fat and muscle is very small, especially suitable for women, do not worry about getting fat.

Extended data:

Characteristics of collagen:

1, Nutrition: Collagen is an essential nutrition for the skin, which can enhance the protein activity of the skin.

2. Repairability: Collagen has a unique repair effect on the skin.

3. Moisturizing: Collagen is composed of three helical structures, forming a vast space. Collagen is rich in anionic side chains and forms a large number of hydrophilic groups.

4. Affinity: Collagen is easy to combine with skin without any rejection. After several weeks of collagen supplement, it gradually combines with collagen cells, fibroblasts, fat cells and capillaries in the body to produce its own collagen.

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