Machine wash vegetables ozone health hazard?

A series of ozone washing machines are being sold in the market despite warnings from many experts about possible hazards to user health.

Mr. Duong Minh Tri, an officer of HCMC Institute of Physics, said : If using ozone in the industry, it will have a big effect, such as drinking water pasteurization, wastewater treatment, domestic water . But, if used For household use, it is completely impossible to believe in health safety.

Ozone machine is being sold at the supermarket (Photo: Nguyen Huu)

According to Mr. Duong Minh Tri, there are no official documents published by the authorities, proving that the process of scouring vegetables from ozone in the household will destroy pesticide residues, parasites. coincidence, and its ability to kill is what percentage . So, talking about the safety of the health machine, this is an issue left unanswered.

Not to mention, ozone output is reduced very quickly over time, and ozone generator function certificates are only effective for each machine and for a certain period of time, not generally applied. for both the model, a carrier . and for the whole use process.

Contact the regional Center for Standards - Metrology - Quality to test the quality of fruit and vegetable ozone washing machine, the staff here said the center only tested the use of the machine, name and information. Other techniques, not determining whether the machine is harmful to human health?

Nguyen Van Khai, director of the Hanoi Center for Energy Efficiency and Electrochemical Solution, who was named the " old man ozone ", also said : ozone is known as a poisonous gas, although it works. It is highly used in industry, but if ozone is released from the machine directly out, or escaped from the water, and people inhale directly, it will greatly affect health, the first effect can be received. found a very strong cough.

Especially the most obvious harm is in children, people with asthma, and those who exercise strongly outdoors. This long-term inhalation will reduce lung function, leading to strong inflammation of the lungs and airways.

Dr. Nguyen Van Khai also gave advice to consumers, if they want to clean vegetables and fruits, soak them in diluted salt water from 1 to 5 parts per thousand, within 10 minutes, then wash the fruits and vegetables again. The nozzle, the toxins may be removed, and in daily life absolutely should not be used to ozone.