For women, tremella is warm and rich in plant collagen, which is the most suitable food for nourishing the body, strengthening the spleen and appetizing, nourishing yin and moistening the lungs, and is very suitable for eating in dry autumn. Long-term consumption of tremella can moisturize the skin and remove chloasma and freckles on the face, but pay attention to putting less sugar when cooking.

2, chicken feet

Chicken feet can reduce blood pressure and lipid, improve human immunity, benefit cardiovascular system, and care skin, which is very suitable for food at ordinary times. However, the calories of chicken feet are not low. There are 250 calories in 100g, so it is not appropriate to eat more. You can make braised chicken feet and eat them as snacks, and you can eat 1 2 at a time.

3. trotters

As a beauty product, trotters are rich in collagen protein, 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 from trotters can also promote the growth of hair and nails, keep the skin soft and delicate, and improve the microcirculation of the whole body. Of course, the calories of pig's trotters are not low. Xiao Bian suggested that the oil should be drained after boiling, and the calories should be lower.

4. Flower glue

As the favorite tonic of Guangdong people, Huajiao is mainly composed of collagen, multivitamins and trace elements such as calcium, zinc, iron and selenium. The characteristics of high protein but low fat make women nourish without worrying about getting fat, which has the effect of nourishing yin and tonifying kidney. Flower gum usually appears as a stew, and it should not be eaten too much at one time. It is excellent with lean meat or old duck soup.

5, pigskin

Chinese medicine believes that pigskin is sweet in taste, cool in nature, and has the effects of nourishing yin and tonifying deficiency, clearing heat and relieving sore throat. Regular consumption of pigskin can also slow down the cell aging of the body, especially for the symptoms of yin deficiency and internal heat. 100g The calorie of pigskin is not low, about 350 calories. However, if it is made into skin jelly, the calorie is not high, and it can be eaten with vegetables. It is a good cold dish.

6, beef tendon

Beef tendon contains no cholesterol, which can enhance the physiological metabolism of cells, has the effect of strengthening tendons and bones, and has a good dietotherapy effect on those with weak waist and knees and thin body. If you are still on a diet, you might as well eat some beef tendon, which has the effect of supplementing calcium.

7. beans

Many people think that collagen is mainly concentrated in meat. In fact, beans are as rich in collagen, and plant protein is less likely to gain weight. Beans mostly contain progesterone and estrogen with two-way regulation, which can effectively improve the internal circulation of the human body and is one of the most suitable foods for women.

8. Protein

So ordinary food contains collagen, rich protein and enough satiety, and food that can be eaten during weight loss can kill two birds with one stone.

9. Fish

In fact, the structure of collagen in fish is the closest to that of human body, and it is also the most easily absorbed by body tissues, and the absorption rate is also the highest. The collagen of fish mainly comes from the cartilage of deep-sea fish, so it can be supplemented by ingesting deep-sea fish at ordinary times.

Collagen is a biopolymer, the main component of animal connective tissue, and the most abundant and widely distributed functional protein in mammals, accounting for 25% ~ 30% of the total amount in protein, and even more than 80% in some organisms.

Animal tissues from livestock and poultry are the main way for people to obtain natural collagen and collagen peptides. However, due to related animal diseases and certain religious beliefs, people have restricted the use of collagen and its products from terrestrial mammals, and now they are gradually turning to marine organisms to develop collagen. The European Food Safety Agency (EFSA) has confirmed that even collagen from animal bones is not likely to be infected with mad cow disease and other related diseases.

Due to the differences in amino acid composition and crosslinking degree, the rich collagen contained in aquatic animals, especially their processing wastes-skins, bones and scales, has many advantages that livestock collagen does not have. In addition, collagen from marine animals is obviously superior to that from terrestrial animals in some aspects, such as low antigenicity and hypoallergenicity. Therefore, aquatic collagen may gradually replace terrestrial collagen.

There are many types of collagen, and the common types are type ⅰ, type ⅱ, type ⅲ, type ⅴ and type Ⅶ.

Collagen is widely used in food, medicine, tissue engineering, cosmetics and other fields because of its good biocompatibility, biodegradability and biological activity. For example, the traditional collagen health care product "Ejiao" in China is mainly made of donkey skin (in fact, it is collagen contained in donkey skin), which has a high nourishing and health care function and has the reputation of being one of the three treasures of traditional Chinese medicine.