Terpenes: The Flavor Of Marijuana

For years, researchers felt that disparate ratios of cannabinoids created marijuana’s variegated effects. Studies of modern marijuana, however, have shown that most varieties have large concentrations of THC, but hardly any other cannabinoids.

Because of this discovery, researchers began taking second looks at terpenes, the odor molecules found in plant essential oils.

Terpenes

Terpenes in cannabis

Virtually every plant odor—from perfume flowers to herbs and spices—are composed of plant terpenes. There are several reasons for terpene production including pollinator attraction, herbivore predator attraction, and predator repellent. Spices and herbs garner their distinctive odors from the essential oils that they produce. Every plant’s oil is a combination of various terpenes. Many terpenes can be found in the oils of different plants. For example, limonene, which gives citrus plants their characteristic odors, is frequently found in spices like rosemary-juniper, peppermint, and marijuana.

Plant essential oils all contain their own combinations of terpenes and are commonly used in aromatherapy because terpenes affect mood and brain function. Scientists are now under the impression that disparate combinations of terpenes can produce various different medical benefits and mood alterations in different varieties of marijuana.

In the same way that rose varieties have different odors, marijuana varieties also have unique scents ranging from sweet and floral to skunk-like and acrid. These odors all indicate different combinations of terpenes, some of which are familiar (e.g. various analogs of limonene). The limonenes have citrusy odors like orange, tangerine, lemon, and grapefruit, and they’re also thought to enhance alertness and concentration. Limonenes also have fungicidal properties.

Since the terpenes affect the experience of marijuana, users can anticipate how a particular strain will affect them just by learning to recognize some odors. Odor is a good clue about the medicinal qualities of a certain variety. Marijuana varieties with similar odors will generally provide the same kind of relief.

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    Myrcene

    Myrcene in cannabis

    Myrcene is the most prevalent terpene in marijuana and its odor can be described as citrus, clove-like, earthy, fruity, green-vegetative, and mango. The odor differences are caused by the slight variations in the makeup of the molecule. All of these odors are often used to describe marijuana as a whole. Myrcene acts as a potent analgesic but also maintains anti-inflammatory and antibiotic properties. It hinders the effects of certain pro-mutagens implicated as carcinogens like aflatoxin B. It’s found in relatively small amounts in many essential oils associated with anti-depressive and uplifting behavior.

    It’s likely that Myrcene is a synergist of THC as a combination of the two molecules produces a stronger experience than THC by itself. Myrcene is also implicated in the permeability of the cell brain, allowing more THC to gain access to the brain.

    Beta-caryophyllene

    Caryophyllene in cannabis

    Beta-caryophyllene smells and tastes peppery with a slight tinge of clove and camphor. It plays a huge role in oils of clove and black pepper and also has analgesic effects without affecting the brain. One recent study by Swiss investigators showed that beta-caryophyllene binds to the CB-2 receptor to create anti-inflammatory effects in mice (Gertsch et al). Thus, it is more like a non-psychoactive cannabinoid analog.

    Pinene

    Pinene in cannabis

    Pinene has a distinct piney odor and can be found largely in turpentine. It can also be found in pine trees, rosemary, sage, and eucalyptus. Some suggest that it assists with memory retention and callback by crossing the blood-brain barrier and inhibiting the activity of the chemical that destroys an information transfer molecule. Because of this, the molecule has a much longer time to work before it becomes deactivated, resulting in better memory. It also increases focus and self-satisfaction in addition to memory. The skunk-like odors of some marijuana strains are created mostly by analogs of this terpene, which are indications of its presence.

    Terpineol

    Terpineol in cannabis

    Terpenol has a distinct floral scent with hints of lilac and orange blossom. Terpenol can cause drowsiness and an urge to rest. It is frequently found in cannabis with pinene which serves to mask terpenol’s odor. Some Afghan varieties have a definite sedative effect because of terpenol. It can be useful for sleep issues or as a general sedative.

    Borneol

    Borneol in cannabis

    Borneol has an odor not unlike that of menthol or camphor. It is considered very relaxing in Chinese medicine and often help calm people down.

    Linalool

    Linalool in cannabis

    Linalool has a floral aroma that might remind one of spring flowers like lilies of the valley. It’s also got some spicy overtones. It is a component of lavender oil and is being tested for use on some cancers (Ravizza et al) (Cheng et al) (Russin et al). When inhaled, linalool can cause severe sedation. That’s why patients looking for a sleep aid should seek marijuana varieties with a floral-sweet aroma. For those looking for separation from bodily discomfort, certain sativa strains can transport you to a much different mental state that can take you from focused to distracted and can ultimately help you become less aware of the discomfort or pain. These will often have a citrus or fruity odor as well. If you want to maintain consciousness, take caution with linalool’s floral-sweet undertones subtly hidden under the limonene-citrus odors. The linalool component almost completely engulfs the conscious space and tends to put you into a comfortable slumber.

    Pulegone

    Pulegone in cannabis

    Pulgone has a sort of minty-camphor odor and flavor that is often used by candy makers. Many suggest that it diminishes the destruction of memory transfer proteins so that memory is improved or remains unchanged. It also helps maintain alertness, which may or may not serve to counteract terpenol and linalool.

    Thanks for reading. Please leave comments or questions below and don’t forget to download my free grow bible.

    Robert

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    Robert Bergman

    Robert Bergman is an Amsterdam-based marijuana grow expert who has years of experience from small grows to massive operations. His passion for growing lead him to develop his own Gold Leaf strain. Now, Robert is dedicated to sharing his knowledge with the world.... [Read full bio]

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      15 comments on “Terpenes: The Flavor Of Marijuana”

      1. Fantastic delivery and extremely interesting. Thank you very much, I appreciate your efforts.

      2. Amy, There are some plants that can be used to make a repellent. All plants have Terpenes. If you are asking; “Can I add terpenes to the plant by adding something to the water when flushing?” NO

      3. Thomas Boyle,. There is some data that proves that using a full spectrum white lamp will produce higher THC content and more terpenes. Terpenes can be easily lost after harvest if not cured properly.

      4. Can Terps be used as insect repellent? Also can they be added to water during flushing?

      5. thomas boyle,

        I recommend you join Robert’s ILGM support forum. We will be glad to help you become a better grower and there are so many great members and experts alike that are willing to share all the info you can handle. Your questions ar egreat and require a broader venue to give you the information you need.

        Happy growing 🙂

      6. One more thing Robert is there any little tips to maximise trichomes and terpenes. Please enlighten me.

      7. Yeah I’ve been foolowing your marjuana book, It’s great as I It makes my grows flexible, I mean me. I tried different methods, and your dynamics. Can you tell me this, how do I get big fat colas as mine are never as big as what I see on other grows. Any advice will do. Thank you Robert. Sorry I’ve not been catching your e mails, as they sometimes go into the junk mail, and 99% of junk mail is truly junk. Yeah, this morning I seen your e mail in my inbox.

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