After dinner, farid Bigger sat on the sofa, thinking about this strange sweetness. He picked up the plate used by his friend and licked it. It's actually sweet. He picked up the big plate and licked it. It's also sweet. Finally, he took the pencil out of his pocket and licked it. It is still sweet! Suddenly, he realized: "something in the lab dyed the pencil sweet!" " "
The next morning, liddell rushed to the laboratory to check the used utensils one by one. Farid Berger found that the sweetness of pencils was related to coal tar.
Since then, he has devoted himself to studying how to extract sweet substances from coal tar. Later, he really extracted a sweetener from coal tar and named it "saccharin".
Experiments show that saccharin is 500 times sweeter than sugar. 1879, farid Berger obtained the patent for the invention of saccharin. A year later, he established the world's first saccharin factory in Germany for commercial saccharin production. Now saccharin has become a common food seasoning.