After pesticide residues in tea testing, three kinds of tea samples were detected biphenyl chrysanthemum ester pesticides. Test results showed that tieguanyin oolong tea biphenyl chrysanthemum ester (one of pesticide residues in tea) content is 0.07 mg/kg, lapsang souchong tea is 0.05 mg/kg, jasmine tea is 0.07 mg/kg, and national standard of the highest limit is 5 mg/kg, pesticide residues in tea of these three kinds of tea samples are also very far below the international standard.

[Internet rumors]The pesticide residues in tea can be wash away?
Tea is China's oldest drink, is an integral part of Chinese daily life. However, in recent years, pesticide residues in tea problem has plagued by many consumers. Online there are saying, washing step can remove the pesticide residues in tea, this statement is true? To this tea samples testing, Internet users also expressed a different view. Some netizens said, the first tea brewing generally cannot drink, used to washing remove pesticide residues in tea. But there is a net friend, says washing tea is a kind of psychological effect. Then, washing tea can really wash the pesticide residues in tea?

Pesticide residues in tea, and so will not pose a threat to the human body
Reporters bought the common tie guan yin oolong tea, souchong tea and jasmine tea as tea samples from the market to, and take the tea samples to Beijing agronomy courtyard for the answers.
 
After tea samples testing, three kinds of tea samples were detected biphenyl chrysanthemum ester pesticides. Test results showed that tie guan yin wulong tea biphenyl chrysanthemum ester content is 0.07 mg/kg, lapsang souchong is 0.05 mg/kg, jasmine tea is 0.07 mg/kg, and national standard of the highest limit is 5 mg/kg, three kinds of samples in the detection of pesticide levels are far below the international standard. So, after the first of these small amounts of pesticide residues after brewing, will reduce?

After a brewing, we continue to test these tea samples. Test results showed that pesticide residues in tea content of three kinds tea samples were 0.067 mg/kg, 0.65mg/kg and 0.049 mg/kg, compared to "washing" ago, numerical have increased, puzzling. Experts said, in fact, the pesticide residues in tea testing results of the two have small differences, is caused by the experiment of human factors such as, almost negligible.

"Use washing method to remove pesticide residues in tea, the effect from these tea samples is not obvious."Expert explains, the use of pesticide residues in tea is fat-soluble, solubility in water is very small, and the amount of pesticides in tea is tiny, safe to human body. People can rest assured to buy Chinese tea, and aslo can get some tea samples for testing first..

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