It contains a variety of nutrients and is a high-grade food and health supplement. At present, the artificial breeding of soft-shelled turtles is developing rapidly in China, but the market mainly uses live turtles for circulation. It is not only inconvenient to sell and eat, but often the price is low and unsalable. If the soft-shelled turtle is made into fine health-care turtle powder, it can make full use of the turtle resources and improve the economic benefits of the turtle. The processing technology of health turtle shellfish powder is as follows:
First, turtle selection: use the disease-free fresh merchandise turtle, clean its body surface, put it into clean water, stop eating for 2 to 3 days, replace the water twice a day, so that the turtle fully remove the dirt inside the body.
2. Quick-frozen smash: The purified turtle is quickly frozen in liquid nitrogen at -196 °C for 3 minutes to make it have good brittleness and friability. After quick freezing, it was roughly pulverized by a pulverizer to make it into a smashed turtle of about 1 cm in diameter.
3. Sterilization and drying: The coarsely crushed turtle raw material is placed in a sterilization box and sterilized at 100 ° C for 5 minutes. In order to prevent the oxidation of crude fat of turtles, it should be treated with an antioxidant such as vitamin E during sterilization. After sterilization, it is placed in a freeze-vacuum drying vessel to be dehydrated and dried to obtain a dried turtle product having a water content of 3.5%.
4. Secondary pulverization: The dried product is once again invaded into liquid nitrogen at -196 °C for 3 minutes, and then the bone, nail, meat and other tissues of the turtle are crushed with a pulverizer with a number of revolutions of 7,800 rpm. The whole powder is pulverized and passed through an 80 mesh screen to obtain an ultrafine powder.
V. Fine packaging: According to market needs and sales objects, carry out different fine sealing packaging. Packing specifications per bag (box) are generally 100 grams, 200 grams, 250 grams, 500 grams. Also indicate the date of manufacture, product name, weight, manufacturer and shelf life.
The fine health-care turtle powder made by this method maintains the unique flavor and nutrition of the turtle, and can be eaten alone or added to various processed foods. At the same time, it is easy to transport and sell, and has a broad consumer market.
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