How to cook kelp easily?
Kelp contains algin and alginic acid. These substances are insoluble in water, but they all have strong water absorption and expansion properties. Once water is absorbed, sticky colloid will appear on the surface of kelp, which can prevent water from further immersion, so kelp is difficult to soak. At the same time, most of the iodine contained in kelp is on the surface, and if the soaking time is too long, iodine will be lost.
The common people's practice is to soak dried kelp in clear water before cooking. In fact, this practice is wrong. No matter how long it takes, the stew is not bad. So how can kelp rot when it is cooked? A few simple and very easy tips can make your kelp rot easily. Write it down secretly.
1, rice washing method: Use rice washing water when soaking kelp, kelp is easy to soak clean and tender when cooking.
2, the golden mean: in the process of cooking kelp, you can pick up a piece with chopsticks and pinch it with your hands. If it is soft, take out the remaining kelp immediately, because kelp will harden if cooked for too long.
3, alkali tip: when kelp is cooked, adding a little (not too much) edible alkali or baking soda will become soft and delicious, more delicious.
4. Tips for adding vinegar: Adding proper amount of white vinegar when cooking kelp silk can not only remove the unique fishy smell of kelp silk, but also make kelp easier to cook and beautiful in color. If you like a softer taste, you can extend the cooking time appropriately. If you put some spinach, kelp will rot easily.
5. Dry steaming tip: Open the dried kelp balls and steam them in a steamer for about half an hour, then soak them in water for one night. The kelp treated in this way is crisp and tender, and it is soft and delicious when stewed, fried and cold.
6, boiling water scalding method: If it is seaweed knot that needs to be used in soup, it can be put in boiling water before cooking, and the taste of soup will be more delicious after removing the fishy smell.
When eating kelp, it should be cleaned according to the actual situation and soaked in water, and the water should be changed constantly, generally soaking for more than 6 hours. If kelp is as tough as boiled after soaking in water, it means it has gone bad and can't be eaten any more.
There is no scientific basis for "cold soaking and cold cooking, hot soaking and hot cooking" of dried kelp.
For a long time, there is a saying in the countryside that dried kelp must be boiled in cold water and hot water-boiled in cold water and hot water, otherwise kelp will be hard no matter how it is cooked. Is that really the case?
Experts believe that there is no scientific basis for saying that dried kelp must be "cooked cold and cooked hot". Ordinary dried kelp can be cooked in a short time after being soaked in cold water or hot water.
How to choose kelp?
When selecting dried kelp, it is advisable to bring "white frost". When people buy dried kelp, they often see a layer of white powder on the surface of kelp. Many people mistakenly think that it is the salt precipitated when kelp is dried, and some even think it is moldy and deteriorated.
In fact, a layer of "frost" on the surface of dried kelp is a substance called "mannitol". This substance is not only harmless, but also has the effects of lowering blood pressure, diuresis and detumescence in medicine, as well as anti-cancer, anti-bacteria, hangover relief and weight loss. Therefore, when people choose dried kelp, it is advisable to use "white frost", and at the same time try to choose dried kelp with dark brown or brown green color, neat leaves and uniform thickness.
You'd better open kelp when you buy it. If there are small pieces of kelp mixed in it, it means that its quality is not good. If there is a hole or a large area of damage, it may be that moth or mildew occurred during storage.
Reminder: Kelp contains high iodine content and valuable mannitol is attached to its surface. Therefore, kelp should not be soaked, beaten and stirred in water for a long time, which is easy to cause nutrient loss. When cleaning kelp, you should also pay attention to not soaking too much water. Generally, the water consumption per 500 grams of kelp does not exceed 2500 ml.