Taking daily life as an example, a pinch of salt (with three fingers) is about 2-3 grams; Common beer bottle cap, after removing the rubber pad, put a bottle cap, about 6 grams (adult daily intake); The amount of salt in porcelain spoon 1 spoon is about18g (which can be taken as the daily intake of a family of three).
These common simple methods help us to roughly calculate the amount of salt used in cooking. Now there are also salt control spoons on the market, and you can buy spoons of different specifications according to your needs.
Precautions for salt consumption
There are many salt brands in the market, and different salt depots also have different trace elements. If you want to eat healthy salt, you should pay attention to buying less, eating in time, buying in small quantities, and buying after eating to prevent iodine sublimation.
Avoid high temperature. Avoid putting iodized salt at high temperature when cooking and cooking soup. Avoid storing iodized salt in containers for a long time. If exposed to sunlight and air for a long time, iodine is easily volatilized. It's best to put it in a colored glass bottle. Fasten it with the back cover to keep it sealed. Avoid adding acetic iodine to combine with acidic substances, which will be destroyed.
The above contents refer to Baidu Encyclopedia-Salt.