What should be noticed in the storage of dried snake venom?

Dried snake venom has strong water absorption and is not heat-resistant. under the influence of high temperature, humidity or sunlight, dried snake venom should deteriorate and lose enzyme activity. Therefore, the following points must be done in order to preserve it for a long time.

After weighing ⑴ dried snake venom, it should be put into brown or brown bottle as soon as possible, the bottle mouth should be corked tightly, and then sealed with wax or vacuum oil. For the dry poison of large bottles, in order to minimize unnecessary opening, some can be encapsulated in sample bottles before sealing, so that they can be checked at any time or meet sporadic small customers, and the weight can be packaged as appropriate.

⑵ sealed snake venom can be stored in a cool indoor place or in a refrigerator at a constant temperature, generally for more than 10 years. Never put it in the sun or in a place where the temperature exceeds 30 ℃, such as a stove or radiator.

⑶ if there are many kinds of dried poison, the name, weight, date of collection or inspection batch number of snake venom must be marked on the containers filled with poison. In order to avoid light exposure, it is best to use metal colored paper or tin foil to avoid light.

⑷ snake venom is a drama drug, which should be kept by special personnel and strict handover procedures, which should be carried out in accordance with the national drama drug management regulations, and should not be taken at will, so as to avoid mixing and affecting the quality or accidents.

⑸ in order to preserve the equipment for a long time, it is best to vacuum dry again every other period of time (about 1 year), so as not to affect the quality of snake venom.

It is reported that after putting the dried powder of cobra venom in a brown bottle and keeping it in the shade indoors for 30 years, the lethal effect of cobra venom remains 90% of its original lethal effect.