When you think cannabis, the first thing that comes to mind is the smell. Many find this smell pleasant, able to draw on its different notes, such as skunky, earthy, or fruity. However, many wonder “What makes it smell like that?”
In this article, our experts dive into the science behind the smell of cannabis. From terpenes to VSCs, we’ll discover the newly found compounds and how they work together to create that signature cannabis smell.
Terpenes and VSCs
Cannabis contains over 100 cannabinoids, terpenes, and other compounds, which all add to the overall experience we know and love. However, these same compounds are the very reason for its pungent scent.
For a long time, scientists believed the scent to be solely caused by the terpenes. In a 2021 study by ACS Omega, researchers state,” The compounds with the highest concentrations typically include the terpenoids β-myrcene, α- and β-pinene, d-limonene, β-caryophyllene, terpinolene, and humulene, which can individually contribute upward of 50% of the aroma concentration.” For anyone familiar with terpenes, these names may look familiar. Terpenes account for more than 50% of the scent but what makes up that last 50-40%?
In the same 2021 study, they focused on whether volatile sulfur compounds (VSCs) were present in cannabis. VSCs, while sounding foreign, are quite common. Funnily enough, VSCs can be found in garlic or skunk spray.
These VSCs are not only in cannabis flower, rather they stay intact throughout the extraction process. These compounds can make their way to the final products, as evident with vaping.
Difference between Terpenes and VSCs
While terpenes and VSCs fall under the same umbrella, Volatile Organic Compounds, they are chemically different.
In a 2020 study by Molecules, the researchers state,” Terpenes are hydrocarbons with small isoprene units linked to one another to form chains.” In short, terpenes are made up primarily of hydrogen and carbon. As the name suggests, VSCs are primarily made of sulfur.
Smell Control
Although some find the smell pleasant, some prejudice comes with it. Potent cannabis smells can lead to numerous problems, such as misunderstandings, upset neighbors, and issues at work. Luckily, there are ways to control the cannabis smell for a more discreet and pleasant experience.
Air Tight Storage
When stored in an air-tight container, the smell of cannabis can be reduced significantly. We recommend using a glass container, as plastic will absorb the smell and let in air. This method is also great for keeping your flower fresh.
Air Purifier
An air purifier or proper ventilation will help to manage the smell and keep the air smelling clean. A fan can also help to disperse the smell
Discreet Consumption
Several discreet methods such as vaporizers and edibles leave no residual smell. For those who still want to smoke, we recommend avoiding closed-off spaces. Instead, smoke in open spaces with proper ventilation.
From VSCs and Terpenes, the signature cannabis smell is more than just a pleasant aroma- it’s a testament to the complexity of the cannabis plant. As we’ve discovered, these two compounds work together to create a balanced blend of scents for each cannabis bud. Understanding the factors that contribute to the scent can add another layer of appreciation for this wonderful plant. Next time you catch the scent, take a moment to appreciate and marvel at the wonders of nature.
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