2. A turtle with a tail over its back shell is male, and vice versa. The male is better than the female. Generally, 750 grams of male water turtles are better. Soft-shelled turtles bitten by mosquitoes have the worst quality.
3. Be sure to buy live turtles, and never buy dead turtles cheaply. Turtle will decompose a lot of poisons after death, which is easy to cause food poisoning and cannot be eaten even if it is refrigerated.
When buying a turtle, the key is to see if its abdomen and back are smooth and spotless. A turtle with a scar means that it has been sick, has blood spots, is still sick, has bloodshot stomach, has been caught for a while, or has other problems.
Extended data:
Nutritional value of soft-shelled turtle
1, protein: Soft-shelled turtle is rich in high-quality protein, which can enhance immunity and resist fatigue.
2. Carapax et Plastrum Testudinis: Carapax et Plastrum Testudinis is a kind of high molecular collagen, which contains various amino acids needed by the skin, and has the effects of beauty and skin care, beauty and fitness.
3. Animal glue, keratin, etc. Turtle is rich in animal glue, keratin, copper, vitamin D and other nutrients, which can enhance human disease resistance and regulate human endocrine function. It is also a nourishing product for improving the quality of breast milk and enhancing the immunity and intelligence of infants.
4. Unsaturated fatty acids: The content of polyunsaturated fatty acids in soft-shelled turtle is very high, which has a good preventive and therapeutic effect on hypertension, coronary heart disease, arteriosclerosis, Alzheimer's disease, memory loss and forgetfulness. It also has skin care and beauty care effects.
5. Calcium: Soft-shelled turtle is rich in calcium, which can maintain the health of teeth and bones, relieve irritability, promote the bone development of teenagers and prevent osteoporosis in middle-aged and elderly people.
6, iron, folic acid: turtle contains iron, folic acid and so on. , can exuberant hematopoietic function, help to improve athletes' endurance and restore fatigue. Iron can also prevent iron deficiency anemia.
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