Eel is the collective name of river eel and sea eel, eel, but the nutritional value of river eel and sea eel taste different. So, which one is delicious, sea eel or river eel? How to distinguish between river eel and sea eel?
The eel is collectively known as eel, divided into river eel and sea eel, is a valuable edible fish, high tonic value. The eel is rich in fat and carbohydrates, which is unique among all fish. River eel, also known as white eel and snakefish, is characterized by high fat content and cholesterol. Sea eel is much lower in fat and less cholesterol than river eel.
How to distinguish between river eel and sea eel
Characteristics of the river eel
1, shape: elongated body, the front is cylindrical, the head is medium-sized, the eyes are small, the mouth is sharp and flat, the lower jaw is slightly longer than the upper jaw, the two stools and the plow bone has only fine teeth.
2, fish scales: scales are small and buried under the skin, arranged in the form of grain mats.
3. Fins: the dorsal fin starts behind the head, the dorsal, anal and caudal fins are connected, there are pectoral fins, and the pectoral fins are small and rounded, there is no ventral fin.
4. Color: The back of the body is gray-black and the belly is white.
Characteristics of the moray eel
1, shape: the body shape is long, nearly cylindrical, the back end of the lateral flattening, the head is pointed and long, the mouth and eyes are larger, the front end of the upper and lower jaws have sharp, large canine teeth, the upper jaw is slightly longer than the lower jaw.
2. Fish scales: body without scales and with lateral lines.
3. Fins: The dorsal fin starts above the gills, the anal and caudal fins are connected, the pectoral fins are broad and there is no ventral fin.
4. Color: The dorsal side of the body is dark grey and the belly is off-white.
Nutritional value of eel
The nutritional value of eel is very high, so it is called the soft gold in the water, and has the reputation of "water ginseng". In China and many parts of the world, eel has been regarded as a good tonic and beauty food since ancient times.
Eel is rich in nutrients, fresh eel contains water, protein, lipids, carbohydrates, ash, vitamins A, D, E, but also contains calcium, phosphorus, iron, sodium, potassium and other minerals, as well as the unsaturated fatty acids DHA / EPA. with other animal foods, eel, vitamin A, vitamin E, and fat contained in polyunsaturated fatty acids, etc., are higher content. Eel meat is rich in high quality protein and various essential amino acids. Its brain, ovaries and spinal cord contain lecithin, lecithin and cholesterol.
1, EPA and DHA
Scientific studies have shown that eel is one of the highest EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) containing fish, DHA and EPA is commonly known as "brain gold", not only can lower blood lipids, anti-atherosclerosis, anti-thrombosis, but also for the brain to add essential nutrients. DHA can promote the brain development of children and adolescents, enhance memory, and also help the elderly to prevent the decline of brain function and Alzheimer's disease.
DHA and EPA have been shown to play an important role in the prevention of cardiovascular disease.
2, fish oil and vegetable oil
Medical experts have also found that eel has both fish oil and vegetable oil beneficial components, is an ideal food to supplement the body's essential fatty acids and amino acids.
3, zinc, polyunsaturated fatty acids and vitamin E
Eel in the zinc, polyunsaturated fatty acids and vitamin E content are very high, can prevent aging and atherosclerosis, so that has the effect of skincare and beauty, is the ladies of the natural and efficient beauty cuisine.
4, vitamin A
It is worth mentioning that the river eel is rich in antioxidant nutrients, such as vitamin A, per 100 grams of eel containing nearly 2,500 international units (IU), up to 50% of the recommended daily intake of vitamin A in adults. Vitamin A content is 60 times that of ordinary fish, 100 times that of beef and more than 300 times that of pork. Vitamin A is an excellent food for the night blind.
5, vitamin E
Eel vitamin E content is 9 times that of ordinary fish. Vitamin E called tocopherol, antioxidant and anti-cancer, delay aging, moisturize the skin to reduce wrinkles, regulate the endocrine, etc., is the love of beauty girls is the favorite.
6, calcium
Eel is a calcium-rich aquatic products, regular consumption, can make the blood calcium value increased, so that the body strong.
Eel vertebrae have almost everything needed for a perfect calcium source, which is respected by scientists at home and abroad, and is recognized as the "ideal natural source of calcium", "the natural supplier of human calcium". The ratio of calcium to phosphorus in eel vertebrae is close to 2:1, which is a natural match for breast milk and is internationally recognized as the best ratio for calcium absorption, and the bioavailability of the calcium contained therein is extremely high.
7, collagen
Eel skin, meat are rich in collagen. Collagen can have a cosmetic effect, can make the skin moisturized, delay aging, so it is called "eatable cosmetics".
8, phospholipids
Eel which contains phospholipids, for brain cells indispensable nutrients. Phospholipids play an important role in the growth and development of certain human tissues and organs.
9, West River Rock protein
Eel contains a very rare West River Rock protein, has a good effect on the strong essence of the kidneys, is a young couple, middle-aged and elderly health food.
10, vitamin B1
Eel is rich in vitamin B1, vitamin B1 is also known as thiamine or anti-neuroinflammatory elements, the lack of it will lead to a variety of neuroinflammatory diseases such as beriberi.
Eel grows up
11, vitamin B2
Eel is rich in vitamin B2, vitamin B2 is also known as riboflavin, lack of which it will appear keratitis, labyrinthitis, conjunctivitis, and scrotum inflammation.
12, niacin
Eel is rich in niacin, niacin is also known as vitamin B3 or vitamin PP, anti-pellagra, dilate blood vessels, promote blood circulation, lower blood pressure.
13, magnesium
Eel contains magnesium, magnesium can maintain bone health and nervous system function, prevention and treatment of cardiovascular disease.
14, phosphorus
Eel contains phosphorus, phosphorus can maintain bone health, nervous system function, adjust blood pressure.
15, selenium
Eel contains selenium, selenium to improve immunity, high antioxidant, delay aging, cancer prevention, eye protection, maintenance of normal heart and liver function.
16, vitamins and minerals
It provides nutrients needed for human growth and sustaining life. Eating eel for a long period of time is extremely helpful for strengthening the body, enhancing vitality and nourishing the skin, especially for pregnant women and infants.