There are some white, fat duck tongues on the market that are soaked in strong alkaline solutions such as sodium hydroxide solution, and consuming such duck tongues can have adverse effects on the body. Sodium hydroxide and other strong alkaline solution is a commonly used chemical raw materials, the food industry is also commonly used to make the food soaking contains more water. To put it simply, strong alkali solutions such as sodium hydroxide are used, firstly, for the sake of selling, and secondly, for weight gain.

Strong alkali has a strong corrosive, antioxidant and bleaching effect, the food treated with it is only in appearance to maintain integrity, in fact, the nutrition of the food has been destroyed. If there is strong alkali residue in the food, it will also corrode the human esophagus and gastric mucosa.

Duck tongue home practice

Inputs: 200 grams of duck tongue.

Seasoning: 1/2 cup soy sauce, 1 tbsp each of rock sugar and tea, 2 slices of cinnamon sticks, 4 star anise, 2 grass nuts, and several cloves.

Steps:

1, blanch the duck tongue for 1 minute, set aside;

2, seasonings (except tea) boiled for 20 minutes, add the tea leaves, cook for another 5 minutes, strain and take the juice;

3, rolling seasonings, under the duck tongue to cook for 5 minutes, low heat and then rolled for another 1 hour, and then cooled to be served.

Tips: you can use any flavor of tea, duck tongue only need to cook for a few moments.

The above content reference? Baidu Encyclopedia - Duck Tongue, People's Daily Online - "eaters" pay attention: consumption of strong alkali solution soaked duck tongue is a risk