Dongxia sawedge green crab [Fujian Yunxiao specialty]

What is Dongxia sawedge green crab? Authentic Fujian Yunxiao Specialty: Dongxia Sawen Crab

Summary:Do you want to know what Dongxia Sawen Crab is? This article is a detailed introduction toFujian Yunxiao specialty - Dongxia Sawen Crab. It was compiled and edited by the editorial team of China Specialty Network after reviewing and collecting relevant information on Dongxia Sawen Crab. The full text takes about 9 minutes to read, mainly including the basic introduction of Dongxia Sawen Crab and its nutritional value? What are the product characteristics of Dongxia sawedge green crab? Wait

Basic introduction of Dongxia sawedge green crab

Dongxia sawedge green crab, mainly produced in Yunxiao County, located on the southeast coast, is one of the specialties of Yunxiao. The Dongxia sawedge green crab has the characteristics of a round individual, fragrant meat, delicate fiber, golden paste, and moderate saltiness. The Dongxia sawedge green crab has a fragrant meat texture and delicate fibers

Dongxia sawedge green crab is a specialty of Yunxiao, with a round individual, a bright red shell color, fragrant meat, delicate fibers, a golden paste, moderate saltiness, no salty smell, and no fresh water odor

According to the records in the Annals of Yunxiao County, Yunxiao County has 188100 mu of fresh water surface and inland sea surface, including 109500 mu of aquaculture area, 99900 mu of inland shallow water with a depth of less than 10 meters, and 34000 mu of mudflat, mainly located in Zhangjiang Bay and Dongshan Bay. The Zhangjiang Bay sea area is located in the southeastern part of the county and is the confluence of the Zhangjiang River and its tributaries. It is at the center of Dongxia Town. The sea area is olive shaped, with a small mouth and smooth currents. The upstream river has a catchment area of 867.21 square kilometers, a mild climate, and blends with Dongshan Bay. The water quality is moderate to salty; In this watershed, there are 2360 hectares of nationally protected plants - mangroves. Mangroves have special functions in maintaining soil and water, preserving ecological diversity, and naturally purifying seawater quality. According to surveys, there are 33 species of phytoplankton such as monoalgae and 7 categories of 33 species of planktonic animals living in this area, and the nutrient content of seawater is very abundant; In Zhangjiang Bay, there are two tides every day. When the tide ebbs, a large amount of soil mudflat can be exposed. They are exposed to the sun to absorb sunlight, promote photosynthesis, accelerate the growth of animals and plants, and improve the quality of products, so that the aquatic products here are crisp and tender

What is the nutritional value of Dongxia sawedge green crab

The sawedge green crab contains abundant fat and unsaturated fatty acids (UFA) in its body. The UFA of the muscle reaches 74.58%, which is higher than the 65.61% of the muscle of the three spotted swimming crab and the 74.3% of the head of the shrimp. The polyunsaturated fatty acids (PUFA) in it are as high as 47.83%, which is nearly 10% higher than the 38.43% of the three spotted swimming crab and slightly lower than the 51.5% of the head of the shrimp; EPA is as high as 18.04%, DHA is 13.52%, which is equivalent to 15.21% and 17.69% of three spotted swimming crabs, 15.75% and 13.96% of shrimp heads, and commercially available deep-sea fish oil products The UFA of the female reproductive gland is also as high as 70.30%, the UFA of the male reproductive gland is 62.48%, and the lowest UFA of the liver is 58.32%, both higher than that of the three spotted swimming crab The sawedge green crab has a high content of unsaturated fat, especially the high content of omega-3 fatty acids EPA and DHA that cannot be synthesized in the human body. EPA can significantly reduce the levels of triglycerides (TG) and cholesterol (TC) in the serum, inhibit platelet aggregation, delay thrombus formation, prevent cardiovascular and cerebrovascular diseases and prostate hyperplasia, while DHA can promote brain development, enhance brain learning and memory abilities, and prevent brain aging

What are the product characteristics of Dongxia sawedge green crab

The saw edge green crab is named after its green body color. The breastplate of the sawtoothed crab head is slightly elliptical in shape, with a smooth surface and a slightly raised center, with unclear zoning. The nail surface and appendages are blue in color. There is a clear "H" - shaped indentation between the dorsal gastric area and the cardiac area, with four protruding triangular teeth on the forehead that protrude from the inner eye socket. There are nine medium-sized teeth on the anterior edge, and the last tooth is small and sharp, pointing forward. The claws are enlarged and the two claws are asymmetrical. The leading edge of the long section has 3 teeth, and the trailing edge has 2 spines; The outer edge of the wrist joint has 2 blunt teeth, and the inner corner has 1 strong thorn; The palm joint is swollen and smooth, especially in male individuals. There are two ridges on the back, with one thorn at the end. The inner and outer sides of the finger joint have one groove, and the gap between the two fingers is large. The teeth on the inner edge are large and blunt. The front and back edges of the first three pairs of foot phalanges have short hairs, while the front and phalanges of the last pair of foot phalanges are flat and paste like, suitable for swimming. The male abdomen is a wide triangle, with a concave edge at the end of the 6th segment and straight edges on both sides. The end of the distal segment is blunt and round, while the female abdomen is wide and round. The width of the armor can reach 20 centimeters and the weight is 1.5 kilograms

The diet is very diverse, mainly consisting of animal based foods. The food composition is mainly composed of mollusks and small crustaceans. The stomach contents often contain shell edges and twisted fragments of bivalves, openings of gastropods, incomplete screw shafts, limbs and head and chest armor fragments of square crabs. Green crabs often feed on worms in the mudflat, and also eat small fish and shrimp. Sometimes, there are fragments of stems and leaves of plants found in the stomach. Artificially cultivated green crabs do not have strict selection of feed. Small miscellaneous fish, shrimp, small shellfish (such as blue clams, Xunshi muscle clams, river clams, snails, etc.), soybean cakes, and peanut cakes can all be eaten. Green crabs have a habit of killing each other among their own kind and often prey on newly shelled soft shell crabs