The pen tube squid has a strange shape. It is a slender cuttlefish. Let’s take a look at how to clean it.

First prepare a basin of water, and then pour the squid into the basin. Wash the tentacles one by one with your fingers to remove sand and other dirt from the tentacles.

Then change a basin of water and pour the squid into the basin. Next, you need to remove the eyes of the pen tube fish to avoid affecting the taste. There is a transparent plastic-like thing on the inside of the back. Pull it out and throw it away. Then just cut open the back and take out the internal organs.

Finally, we can use light salt water to clean the entire pen. If the pen tube cannot be cleaned due to mucus on the body, you can use flour to scrub it and then it can be cleaned.

This kind of processing removes most of the edible parts, leaving only a thin layer of coat muscle, which is really a waste. It should be noted that the head and wrists of the octopus are also edible parts. Especially during the spring breeding period, the mature gonads fill the entire trunk, which can be said to be "full of eggs and rich in cream". It is fragrant and glutinous and delicious, and local people like this bite.

Let’s take a look at the nutritional value of pen tube squid:

The crude protein content of pen tube squid is 9.29%, the crude fat content is 1.43%, the moisture content is 85.82%, and the ash content is 1.79%; 18 kinds of amino acids account for 55.09% of the total dry weight. Eight essential amino acids account for 44.46% of the total amino acids. The ratio of essential amino acids to non-essential amino acids is 0.80. The polyunsaturated fatty acids docosahexaenoic acid DHA and eicosapentaenoic acid EPA. The sum of eicosatetraenoic acid ARA and stearicadienoic acid LA accounts for 24.94% of the total fatty acid content, and is rich in inorganic elements, magnesium, phosphorus, calcium, and zinc.