—orig. developed through MOICANNA
– originally developed through MOICANNA
—orig. developed through MOICANNA
– originally developed through MOICANNA
Cannabis is a marvel of nature, offering a unique mix of compounds that deliver a wide range of effects. To fully understand its impact on the mind and body, let’s explore its essential chemical players: cannabinoid acids, active cannabinoids, and terpenes.
Before heating or processing, cannabinoids exist as acids. These raw forms have distinct properties:
When heated or exposed to light, cannabinoid acids convert into their active forms:
While THC and CBD dominate, minor cannabinoids play vital roles:
Decarboxylation is the process of converting raw cannabinoids into active forms(like THCA and CBDA into their active forms THC and CBD). But watch the heat—too much can break them down! Here’s what happens as temperatures rise:
| Cannabinoid | Activation | Breakdown | Breaks into |
| THCA → THC | 105–120°C 221–248°F |
157°C + 315°F + |
CBN (mildly sedative) |
| CBDA → CBD | 105–135°C 315°F + |
175°C + 347°F + |
CBD Quinones |
| THC → CBN | ~157°C ~315°F |
220°C + 428°F + |
CBN |
| Terpenes | 50–200°C 122–392°F |
160°C 320°F |
Quickly evaporate |
Keep decarbing steady at 110–120°C (230–250°F) to activate cannabinoids without losing terpenes.
Lab-created cannabinoids like Delta-8 THC differ from natural compounds. Always verify the safety and legality of synthetic products before use.
Terpenes are aromatic compounds (essential oils) found in cannabis resin. Beyond their unique scents, terpenes influence how cannabis affects the body.
While cannabinoids like THC and CBD are the stars of the show, terpenes are the directors, guiding how those cannabinoids interact with your body, creating distinct effects even in strains with similar THC levels.
| Terpene | Aroma/Flavour | Effects | Sources |
| Myrcene | Earthy, Musky | Sedative, Pain relief | Mango, Hops, Thyme |
| Limonene | Citrusy (Lemon, Lime) | Mood elevation, Anti-Inflammatory | Citrus Rinds, Juniper |
| Pinene | Pine, Woody | Focus, Memory retention | Pine Needles, Rosemary |
| Linalool | Floral (Lavender) | Calming, Anti-anxiety | Lavender, Mint |
| Caryophyllene | Spicy, Peppery | Anti-Inflammatory, Pain relief | Black Pepper, Cloves |
Terpenes are central to cannabis’ unique effects. Understanding them enables growers to customise strains for relaxation, focus, or creativity.
Terpenes don’t just make cannabis smell good; they’re part of the entourage effect—the phenomenon where cannabinoids, terpenes, and flavonoids work synergistically, creating a fuller experience.
EXAMPLES:
Myrcene + THC = Sedative high.
Limonene + CBD = Uplifting calm.
THCA is the raw, non-psychoactive form of THC that requires heating to activate.
It activates cannabinoids like THC and CBD, making them bioavailable.
Aromatic compounds in cannabis that influence its scent and effects.
No, because cannabinoids in raw cannabis are in their acidic, non-psychoactive forms.
The synergy between cannabinoids, terpenes, and flavonoids that enhances effects.
Myrcene, known for its earthy aroma and sedative effects.
Most do, except for naturally active forms like CBN.
Maintain a cool, dry environment to prevent evaporation.
No, Delta-8 THC is a synthetic variant with milder psychoactive effects.
The ideal decarboxylation temperature is 110–120°C (230–250°F).
Use proper curing techniques, maintain moderate humidity, and avoid excessive heat.
Genetics, light intensity, nutrient availability, and curing methods.
It’s the precursor to major cannabinoids like THCA and CBDA.
They can mimic effects but lack the complexity of the entourage effect.
Yes, it can degrade cannabinoids and evaporate terpenes.
Excess light exposure can degrade terpenes and cannabinoids.
THCV may suppress appetite and provide energizing effects, unlike THC.
Yes, excessive heat can degrade THC into CBN.
Strains like Lemon Haze and Super Lemon OG are high in limonene.
Lab testing using high-performance liquid chromatography (HPLC).
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Topics
cannabinoids, terpenes, THC, CBD, decarboxylation, acids
Focus Keyword
cannabis cannabinoids terpenes
Description
Cannabinoids, terpenes, acids — the molecular language of cannabis. Learn how THC, CBD and dozens of other compounds shape effects, aromas and therapeutic potential. A complete chemical reference for serious growers.
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The VADEMECUM is not just a book anymore. It is becoming a living archive of guides, tools, notes and practical plant knowledge.
Free member access. Join early. Keep the archive open.
The VADEMECUM is becoming a living archive of practical plant knowledge.
Free member access.