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CBG - The Mother of Cannabinoids

Written by: Lena Grammling

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Time to read 8 min

Have you already heard about the many benefits of CBD, but are curious about other cannabinoids like CBG? Cannabigerol, or CBG for short, is a lesser-known but equally fascinating cannabinoid that is gaining increasing importance.


In recent years, interest in cannabinoids has grown exponentially, but many people don't realize that in addition to CBD, CBG also has remarkable therapeutic properties. This means that many potential users are unaware of and unable to take advantage of the unique benefits of CBG.


CBG is a non-psychoactive cannabinoid produced in the early growth stages of the cannabis plant, which later converts into other cannabinoids such as THC and CBD. Due to its unique properties, it is often referred to as the "mother" of all cannabinoids.


In this blog post, you'll learn everything you need to know about CBG: what it is, how it's obtained, its effects and applications, and how it differs from CBD. We'll also take a look at current research and the legal framework for CBG.


What is CBG (Cannabigerol)?

Cannabigerol (CBG) is a non-psychoactive cannabinoid found in the cannabis plant. It is often referred to as the "mother" or "stem cell" of all cannabinoids because it is a precursor to other important cannabinoids such as THC and CBD. In the early growth stages of the cannabis plant, CBG is produced in the form of cannabigerolic acid (CBGA), which then converts into THCA, CBDA, and CBCA through enzymatic processes.


CBG is only found in small amounts in most cannabis strains, as it converts into other cannabinoids as it grows. However, thanks to modern breeding and extraction techniques, CBG can now be obtained in higher concentrations.


CBG has potential therapeutic properties, including anti-inflammatory, neuroprotective, and antibacterial effects. It can also lower intraocular pressure and stimulate appetite. These properties make CBG an interesting subject of research for various medical applications.


Origin and Extraction from the Cannabis Plant

CBG (Cannabigerol) is extracted from the cannabis plant, particularly in its early growth stages when its concentration is still low. Here are the most important steps for extraction:


  1. Plant Breeding: Specific cannabis strains are bred to produce more CBGA and are harvested early to maximize CBG content.

  2. Extraction: CBG is extracted using CO₂ extraction, ethanol extraction, or supercritical fluid extraction, with CO₂ extraction being the most popular due to its purity.

  3. Isolation and Purification: After extraction, CBG is isolated and purified from other cannabinoids and plant material through chromatography.

  4. Further Processing: The purified CBG is then converted into products such as oils, capsules, or cosmetics to enable its use for various applications.


CBG: Effects, Applications, and Research

CBG (Cannabigerol) exhibits a variety of potential therapeutic effects, making it interesting for various applications. Here are the most important areas of application and the corresponding research findings on CBG:


Anti-inflammatory properties

CBG has been shown to possess anti-inflammatory properties, making it useful in the treatment of inflammatory diseases such as inflammatory bowel disease (IBD). Studies in mice with colitis, a form of inflammatory bowel disease, showed that CBG could reduce inflammation and improve symptoms. Products such as CBG oils and CBG capsules can be used to reduce systemic inflammation.¹


Neuroprotection

CBG could have neuroprotective effects, meaning it can protect nerve cells from damage. This makes it a potential candidate for the treatment of neurodegenerative diseases such as Huntington's disease and multiple sclerosis. Animal models have shown that CBG could improve motor deficits and reduce neurodegeneration. CBG oils and capsules can be used as supportive measures.²


Antibacterial effect

Studies have shown that CBG has a strong antibacterial effect, especially against resistant bacterial strains such as MRSA (methicillin-resistant Staphylococcus aureus). This antibacterial property could make CBG a valuable tool in the fight against bacterial infections, especially those resistant to conventional antibiotics. CBG cosmetic products such as creams and ointments could therefore be useful in supporting skin health and treating skin infections.³


Intraocular pressure reduction

CBG has the potential to lower intraocular pressure, which is relevant for the treatment of glaucoma. One study showed that CBG could lower intraocular pressure in cats, suggesting it could also be useful in humans. Eye drops containing CBG could find an effective application here.⁴


Appetite stimulation

Similar to THC, CBG can stimulate appetite, which can be particularly useful for patients suffering from appetite loss due to diseases or treatments such as chemotherapy. Research in rats has shown that CBG can stimulate appetite by increasing food intake in the animals. CBG oils and capsules can help to naturally stimulate appetite.⁵


Pain relief

CBG may have pain-relieving properties, making it a potential option for the treatment of chronic pain. CBG oils and capsules are suitable for this, as are topical products such as ointments and creams that can be applied directly to painful areas.


Cancer research

Preliminary studies have shown that CBG may have antiproliferative properties, meaning it could inhibit the growth of certain cancer cells. One study found that CBG could inhibit the growth of colorectal cancer cells in vitro, indicating the potential of CBG in cancer treatment.⁶


The current studies on CBG are promising and point to a variety of potential medical applications. However, research is still in its early stages, and most studies have been conducted in animal models or in vitro. Further clinical studies in humans are needed to fully understand the efficacy and safety of CBG.


CBG vs. CBD

Cannabigerol (CBG) and Cannabidiol (CBD) are both non-psychoactive cannabinoids found in the cannabis plant. While they share many common properties, they differ in some key respects. Here is a comparison of the two cannabinoids:


Origin and biosynthesis

  • CBG: CBG is often referred to as the "mother" of all cannabinoids because it is a precursor to other cannabinoids such as THC and CBD. In the early growth stages of the cannabis plant, cannabigerolic acid (CBGA) is produced, which is then converted into THCA, CBDA, and CBCA through enzymatic processes.

  • CBD: CBD is formed by the conversion of CBGA into cannabidiolic acid (CBDA), which becomes CBD when heated or decarboxylated. CBD is present in higher concentrations than CBG in most cannabis strains.

Effects and applications

  • CBG: CBG shows anti-inflammatory, neuroprotective, and antibacterial properties. It is being investigated for the treatment of inflammatory bowel diseases (IBD), neurodegenerative diseases, bacterial infections, glaucoma, and appetite loss.

  • CBD: CBD is known for its anxiolytic, anti-inflammatory, and pain-relieving effects. It is used in the treatment of anxiety disorders, epilepsy (especially Dravet syndrome), chronic pain, sleep disorders, and skin conditions.

Mechanism of action


  • CBG: CBG interacts with the CB1 and CB2 receptors of the endocannabinoid system, but has a lower affinity for these receptors than THC. It also acts on other receptors such as the α2-adrenoceptor and the 5-HT1A serotonin receptor, contributing to its diverse therapeutic effects.

  • CBD: CBD has a low affinity for CB1 and CB2 receptors, but indirectly affects the endocannabinoid system by inhibiting the FAAH enzyme, which is responsible for the breakdown of anandamide. CBD also interacts with other receptors such as the 5-HT1A serotonin receptor and TRPV1 receptors, which explains its anxiolytic and pain-relieving effects.

Side effects and safety


  • CBG: Research on the side effects of CBG is still limited, but previous studies suggest that CBG is well tolerated and has few side effects. Rare side effects may include dry mouth and a temporary drop in blood pressure.

  • CBD: CBD is generally well tolerated, but some individuals may experience side effects such as fatigue, diarrhea, and changes in appetite or weight. CBD can also interact with certain medications, so consultation with a doctor is recommended.

Availability and costs


  • CBG: Since CBG is found in lower amounts in most cannabis strains, extraction is more expensive and complex. Therefore, CBG products are often more expensive than CBD products.

  • CBD: CBD is present in higher concentrations in the cannabis plant, which makes extraction easier and more cost-effective. CBD products are widely available and come in various forms, including oils, capsules, creams, and edibles.

  • CBG and CBD both offer diverse therapeutic benefits but differ in their origin, mechanisms of action, and applications. While CBD is currently more popular due to its extensive research and availability, CBG is gaining increasing importance due to its unique properties and potential applications. Both cannabinoids have the potential to play an important role in future medical research and treatment.


Legal Situation

In Germany, CBG is currently not classified as a narcotic and therefore does not fall under the Narcotics Act (BtMG). CBG products containing less than 0.2% THC are legal and can be freely sold. This means that CBG oils, capsules, cosmetic products, and other CBG-containing products can be legally purchased and used as long as they comply with the THC limit. However, it is important that the products are derived from certified hemp varieties approved in the EU catalog of varieties.


Conclusion

Cannabigerol (CBG) is a fascinating cannabinoid with numerous potential health benefits. Similar to CBD, CBG exhibits anti-inflammatory, neuroprotective, and antibacterial properties. Both cannabinoids offer unique benefits and complement each other perfectly in their effects.


While CBD is already widely used and known for its anxiolytic and pain-relieving properties, CBG opens up new possibilities in the treatment of specific health problems such as glaucoma and bacterial infections. The combination of CBG and CBD products can therefore offer a broader spectrum of therapeutic effects.


FAQ

Is CBG psychoactive?

No, CBG (Cannabigerol) is not psychoactive. It does not affect perception or consciousness and therefore does not cause a "high" – unlike THC (tetrahydrocannabinol).

Can you smoke CBG?

Yes, CBG can be smoked. It is available in the form of flowers or extracts that can be smoked or vaporized. It is important to use high-quality and tested products.

What is better, CBG or CBD?

Whether CBG or CBD is better depends on individual needs and goals. Both cannabinoids have unique properties and potential health benefits. CBG is valued for its anti-inflammatory, neuroprotective, and antibacterial properties, while CBD (cannabidiol) is often known for its anxiolytic, anti-inflammatory, and pain-relieving effects.

Sources and Studies

¹ Borrelli, F., Fasolino, I., Romano, B., Capasso, R., Maiello, F., Coppola, D., Orlando, P., Battista, G., Pagano, E., Di Marzo, V., Izzo, A.A. (2013). Beneficial effect of the non-psychotropic plant cannabinoid cannabigerol on experimental inflammatory bowel disease. Biochemical Pharmacology. 85 (9), pp. 1306-1316. Downloaded on May 10, 2024, from [Source]

² Nachnani, R., Raup-Konsavage, W.M., Vrana, K.E. (2021). The Pharmacological Case for Cannabigerol. Journal of Pharmacology and Experimental Therapeutics. 376 (2), pp. 204-212. Downloaded on May 10, 2024, from [Source]

³ Appendino, G., Gibbons, S., Giana, A., Pagani, A., Grassi, G., Stavri, M., Smith, E., Rahman, M.M. (2008). Antibacterial cannabinoids from Cannabis sativa: a structure-activity study. Journal of Natural Products. 71 (8), pp. 1427-1430. Downloaded on May 10, 2024, from [Source]

⁴ Colasanti, B.K. (1990). A Comparison of the Ocular and Central Effects of Δ9-Tetrahydrocannabinol and Cannabigerol. Journal of Ocular Pharmacology and Therapeutics. 6 (4). Downloaded on May 10, 2024, from [Source]

⁵ Brierley, D.I., Samuels, J., Duncan, M., Whalley, B.J., Williams, C.M. (2016). Cannabigerol is a novel, well-tolerated appetite stimulant in pre-satiated rats. Psychopharmacology (Berlin). 233 (19), pp. 3603-3613. Downloaded on May 10, 2024, from [Source]

⁶ Aviello, G., Romano, B., Borrelli, F., Capasso, R., Gallo, L., Piscitelli, F., Di Marzo, V., Izzo, A.A. (2012). Chemopreventive effect of the non-psychotropic phytocannabinoid cannabidiol on experimental colon cancer. Journal of Molecular Medicine (Berlin). 90 (8), pp. 925-934. Downloaded on May 10, 2024, from [Source]