Food hygiene is a very, very concerned issue for all the people. The catering industry that promotes food hygiene must follow the norms and make and produce food that will reassure the people.
At the same time, you can mention something about the source of production, disinfection of tableware and raw materials. Disinfection to eliminate pesticide residues.
There is a key problem. The current river is so polluted that it has to be said that it is related to the use of a large amount of detergent and other chemicals in the process of disinfection and washing tableware.