1, the name of the dish: green crab in vinegar.

2, the main ingredients: 250 grams of green crab, 50 grams of vinegar.

3, practice: boiled, add sugar seasoning service, once a day.

4, medicinal value: the main treatment of hypertension stasis blood blockage type: dizziness, forgetfulness, insomnia, palpitations, face or lips purple color, purple spots or bruises on the tongue, pulse stringy or fine astringent.

5,:

(1) green crab genus (scientific name: Scylla) is a genus under the decapod order, pike family, **** there are four species. Cephalothorax is ovoid, length equal to or slightly less than 2/3 of width; dorsal surface rounded, with an "H"-shaped pattern; surface smooth, gastrocardial groove not very obvious; frontal surface with 4 teeth; chelicerae are thick; carpal segment with sharp spines on the inner edge, outer edge with or without 2 spines; metacarpal segment with strong spines against the edge of the carpal segment; medial side of the carapace immediately adjacent to the carpal segment has a nodule-like projection; seat segment without spines projections; septum without spines; second to fourth pairs of gaiters similar, fifth pair of gaiters with terminal 2 segments paddle-shaped; male abdomen divided into 5 segments, broadly triangular; female abdomen divided into 7 segments, broadly ovate; carapace coloration varies according to the species and the environment in which it lives.

(2) As a burrowing aquatic crustacean, the green crab prefers to inhabit intertidal sandy beaches, mangrove forests or marshes, burrowing in caves during the day and coming out at night to forage for food. In summer, it likes to support its body with its feet in the high tide zone, and in low temperature, it lurks in the mud and sand with only its eyes exposed. In the natural environment, green crabs mainly take small fish, shrimps, crabs and shellfish as bait. Widely distributed in the Pacific Ocean, Indian Ocean.