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Pesticide Analysis Methods, Pesticide Testing



   

WuMaiTo Biotechnology cooperated with TARI and developed new pesticide analysis methods, through this pesticide residue analysis method, we can test out whether there are toxic residue left in foods just in few minutes. We extracted enzyme from houseflies head, which was highly sensitive towards the toxic pesticide residue. WuMaiTo Biotechnology provides the efficient testing methods for you, we care about food safety and put effort into creating food safety environment.

How do you know “the enzyme” used testing?

The enzyme in the bioassay usually would use the cholinesterase; the cholinesterase generally can be divided into the acetylcholinesterase (AChE) and the butyrylcholinesterase (BChE). AChE is mainly found at neuromuscular junctions and in chemical synapses of the cholinergic type, where its activity serves to terminate synaptic transmission. AChE has the high sensitivity to the pesticides, and it is very stable. BChE is mainly found at the blood or the organs. Although it has the cholinesterase properties, it usually uses the drug-testing; its sensitivity is poorer and unstable. Generally, BChE is used the physical examination.

The pesticide toxicity mainly causes the injury to nervous system, for this reason, the AChE extracted from the nervous system is better than BChE. Moreover, since the pesticides against the insects, the AChE extracted from the head of insects is more particularly sensitive.

 

Acetylcholinesterase, AChE Butyrylcholinesterase, BChE
Source Nervous system of animals Blood or organ of animals
Biological Function Neurotransmitters Organ function indexes
NeurotoxicSensitivity Better Poor
Activity of Cholinesterase High High
Application Neurotoxicants detection Physical examination