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Want to seal marijuana odor? Pack it in double vacuum-sealed bags, study says

A real-life arrest has inspired a study that investigated various packaging methods for concealing marijuana odor.

In 2017, a Colorado State Trooper pulled over a car to the side of Interstate 70 for a minor traffic infraction. The police officer, who works on highway narcotic smuggling, claims he immediately sensed a strong marijuana odor once he approached the car. He proceeded to conduct a probable cause search based on the strong smell and “other indicators”, which revealed two vacuum duffle bags filled with 52 pounds of marijuana, a wad of thousands of dollars in cash, and a secondary phone.

Later, in court, the defendant pleaded guilty for possession with intent to distribute. However, he challenged the motive of the search and did so in a highly unusual way for this kind of offense. His lawyer hired Dr. Avery Gilbert, a self-described “smell scientist” and “sensory psychologist”, and Dr. Joseph Diverdi, a professor of chemistry at Colorado State University, who examined the evidence and took samples of air inside the evidence bags holding the vacuum packs.

“There’s long tables just filled with bagged weed. I’d never seen anything like it,” Gilberg told Leafly. The marijuana was still in the double vacuum-sealed bags. “Coming as close as we could to sniffing those packages, I couldn’t smell a damn thing.”

In the lab, the two researchers examined the air samples with a gas chromatography machine, focusing on the concentrations of six terpenes known to give marijuana its conspicuous odor. The examination confirmed the researchers’ initial subjective assessment of the sealed marijuana — the odor molecules were in a far too low concentration to be detected by people.

Although the case was over (the man found with the marijuana in his possession received a two-year deferred sentence, a fine, and community service), the two researchers thought that marijuana odor concealment merits more scientific attention.

Back in the lab, they set up an experiment with 21 participants familiar with the smell of cannabis. The participants had to select the correct packaging that contained marijuana from ten sample pairs. Four different packaging methods were used: Ziploc bags, thin plastic produce bags, pop-top canisters, and a vacuum-sealed heavy plastic bag inside another vacuum-sealed bag. An open glass bowl was also used to act as a control.

The participants immediately recognized the package containing marijuana when it placed in an open glass bowl, the Ziploc bag, and the produce bag. The pop-top dispensary canister yielded mixed results.

However, vacuum-sealed marijuana seems to have been the least conspicuous out of all the packaging methods. According to the results, which were published in the journal Science & Justice, the “material packaged in doubly vacuum-sealed plastic was correctly identified at rates no different from chance.”

Since the experiment showed that people with experience handling marijuana had great difficulty identifying it in a double-sealed vacuum bag, what would be the odds that the officer could smell it (from outside the car while the bag was inside a suitcase)? That’s extremely unlikely.

The findings “may help address issues involving the detectability of cannabis aroma in law enforcement and other scenarios,” the researchers concluded.

A real-life arrest has inspired a study that investigated various packaging methods for concealing marijuana odor.

What You Should Know About Vacuum Sealing Weed

It is a good feeling to find some weed you had forgotten about. That is because it saves you a lot of money and a trip to the dispensary. However, you can use the weed you discover after a few months or weeks. This is also dependent on how your marijuana is stored. If you leave it exposed to the sunlight or heat, THCA gets converted into CBNA.

Therefore, you cannot enjoy the same psychoactive properties. Instead, you may feel a bit nauseous or dizzy. Cannabis that contains a lot of CBN is quite useful when used as a tropical. You can store your marijuana in an airtight container from sunlight for up to two years. There are different methods of packaging cannabis. Vacuum sealing is one of the methods, although it is subject to a lot of controversies. Vacuum seal bags not only keep your cannabis fresh, but they are also great for keeping the smell of weed at bay. Some users find it to be a great method of keeping the bud fresh for an extended time. On the other hand, some users argue that it ruins their weed.

Why Vacuum Sealing?

Vacuum sealing is a popular packaging method in the food industry. The method involves getting rid of air from your package before it can be sealed. It is easier to place the items I plastic film package to get rid of air from the outside. The idea is to get rid of oxygen from a container and then extend its shelf life of the products. It is a good idea to seal cannabis as the process eliminates oxygen and prevents the evaporation of the volatile compounds. Moreover, it inhibits the growth of bacteria that ruins your marijuana. After placing your cannabis in a sealed bag and away from sunlight, it can remain usable for many years.

Nowadays, there are many machines that can do this for you. In fact, you can make your vacuum-sealed cannabis product by using mylar bags. You only need to place the product in the bag and then seal it. Ideally, there is no reason you will not want to vacuum seal your cannabis products. For instance, sealing ensures that the material does not contain any harmful chemicals. You should note that some materials contain BPA, which is a chemical that gets leeches into the product.

It is a good idea to vacuum seal your cannabis products. The containers help prevent light, heat, air, and moisture from getting out of the herb.

It is a good feeling to find some weed you had forgotten about. That is because it saves you a lot of money and a trip to the dispensary. However, you can use