Razor clams frozen dead in the freezer can generally be eaten, but should be cleaned properly.
Generally speaking, dead razor clams are not recommended to be eaten again, because the protein content of razor clams is very high, and when they are dead, they are prone to harbor stray bacteria, which can spoil them quickly and make them bad for your health.
A good way to clean freshly dead razor clams is to blanch them in a pot of boiling water for a while. This way, you can easily break open the shells of the razor clams, and then tear off the outer ring of black lines on the meat of the razor clams, and remove the "sandbags", which is the black stuff inside the meat of the razor clams, we get rid of it on the line. Next, put the razor clam meat in the water, add one or two spoons of salt, slowly stirring in one direction, or gently rubbing with your hands, so that the razor clam meat sediment will sink to the bottom of the water, and then rinse the razor clam meat with clean water can be.
After this treatment, the dead razor clams can also become very clean, do not have to worry about sediment. However, dead razor clams will be much less flavorful, so it is better to choose to fry them.
Expanded Information
Each razor clam has a transparent nematode-like object in its body, which is an organ of the razor clam's digestive system called the "crystal rod", which can be eaten. In the razor clam eating, crystal rod as a mixer to drive intestinal peristalsis, to promote food digestion; when the razor clam is hungry, the crystal rod will automatically dissolve, used for hunger. In general, the razor clams that have been placed for a long time will not have crystal rods in their bodies, and the razor clams will have their own enzymes decompose quickly or slowly, resulting in crystal rods dissolved in time successively, so even if the fresh razor clams caught at the same time, there are some with crystal rods, and some do not have them.
The parasites on razor clams are usually a kind of organism called "razor clam-eating intestinal trematode", which is yellowish-white, milky-white, and about 2 centimeters in length, and completely different from the crystal rod. Parasitized razor clams are too thin to continue reproducing, and more than one living organism will crawl out of their abdomen when squeezed. People who eat cooked razor clams containing parasites are generally fine, but those with poor gastrointestinal function may have indigestion and other reactions.
Source: Baidu Encyclopedia - Razor Clams
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