A friend of foreign students has just come to Australia from China to study, and is boarding in an Australian home. I was surprised to see that most of the vegetables bought from the supermarket were cooked directly without washing, and the fruits they bought were eaten with napkins or carelessly wiped with their hands. . .

The landlord told him that Australian vegetables and fruits also use pesticides, but because of strict supervision, pesticides can no longer be used for agricultural products within the specified time before they are on the market. The pesticide residue limit is controlled within the range that is harmless to humans. There is a special government The personnel of the department supervise and inspect this, so the vegetables and fruits are already safe when they are on the market and will not cause harm to human health.

Pesticide residue refers to the general term for trace pesticide progenitors, toxic metabolites, degradation products and impurities remaining in organisms, agricultural by-products and the environment after pesticide use. The Australian Pesticide and Veterinary Drug Administration is responsible for formulating the maximum residue limits of chemical pesticides and veterinary drugs in agricultural products, especially agricultural products entering the food chain. Australia is one of the most developed agricultural countries in the world. The main agricultural and livestock industries are cattle breeding, sheep breeding and grains. As a major exporter of agricultural products, 80% of its agricultural products are exported. In order to protect the market competitiveness of its agricultural products and improve its international reputation, the Australian Federal Government has implemented residue monitoring of agricultural products since the early 20s and has established a relatively complete legal protection system.

At present, the maximum pesticide residue limit is usually used as the standard for determining the quality and safety of agricultural products in the world. The results of pesticide residue testing conducted by the Australian National Residue Monitoring Center in recent years showed that only 5547 of the 20 tested crop samples had excessive pesticide residues. Among them, 19 samples of cereals and legumes exceeded the standards, and 1 sample of horticultural plants exceeded the standards. . In the pesticide residue detection of the insecticide chlorpyrifos, only one apple sample in horticultural crops exceeded the standard. The non-compliance rate of 1 samples of cereals, beans and oil crops was only 4539%. The sampling of horticultural crops includes 0.6 types, namely almonds, apples, macadamia nuts, onions and pears. Only 5 out of 974 samples were found to have excessive residues. Australians are confident in the safety of agricultural products. Many people buy fresh vegetables and fruits from supermarkets and usually eat them directly without washing them.

Countries and regions in the world generally limit pesticides, especially high-toxic, highly toxic, and metabolically highly toxic pesticides (such as phorate, phorate, methamidophos, parathion, monocrotophos, grammephos, etc.) to 0.05 ppm or 0.01 ppm. Australia also has special regulations for certain pesticides. For example, the residue limit of the insecticide abamectin in soybeans shall not exceed 0.002ppm. This may be because the pesticide interferes with the physiological functions of pests and may endanger the safety of humans and animals.

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