When the head is separated from the body, the digestive system and the ink sac will be attached to the lower part of the head. Usually these will be lost. Pull out the cartilage at the back, rinse it and wash away the food left in the stomach.
The oocysts or seminal vesicles remain in the body, and the purple-black epidermis can be removed or retained.
Extended data:
Octopus is rich in taurine, and the taurine content in octopus is much higher than that in ordinary meat. Can relieve fatigue, lower blood pressure and soften blood vessels, and is suitable for hypertension, corridor depression, arteriosclerosis, cerebral thrombosis, pain, gangrene and swelling.
In addition, taurine is a non-protein amino acid with special health care function. Studies have pointed out that taurine can promote the development of infant brain tissue, improve visual function, and has antioxidant and anti-aging effects on adults.
Octopus has the function of enhancing male sexual function, because the content of arginine in octopus is high, and arginine is an essential component for sperm formation.
References:
Octopus-Baidu encyclopedia