How to remove the potential organic contamination and pesticide leftover in fresh food, which is a difficult problem existing in all the families. Recently, some related experts firstly introduce the photo-catalyse technique into the food-security field successfully, which offers a convenient and effective method for solving this puzzle.

    With the continuously improvement of life level and the requirements on food security, people has gradually paid much attention to the insecurity factors, such as, the potential pesticide incretion and other leftover in fruits, vegetables, meat and other fresh food, which cause the children to neoteny, even the tumour, leukaemia and other serious diseases if absorbed by the people for a long time.

   Beijing Zhongchuang engineering academe on high-tech biomedicine develops successfully the Zhongchuang zoology instrument, which first introduces the nanomatered photo-catalyse used in spaceflight field into food security field. This technique can produce the super oxygen ion and hydroxide ion. They connect with ozone and ultrasonic and other techniques, which not only degrade the rudimental pesticide and incretion in fresh food, but also remove various bacteria and virus and other organic contamination and not destroy the nourishment component in food.

    Through testing, if applying this technique, the rate of killing colibacillus and Staphylococcus aureus respectively can reach 99.86% and 99.69%; and the rate of degrading the organic phosphor pesticide and cymene ester respectively can reach 98.76%

   The experts point out that applying this technique can avoid infecting helminth through food, birds flu and other potential dangerous as well as remove various peculiar smell.