| Type | Organic compounds |
| Base Unit | Isoprene (C₅H₈) |
| Found In | Plants, insects, fungi |
| Function | Aroma, defense, attraction |
Terpenes are one of the most widely found classes of organic molecules in all of nature. They give plants their distinct smells and tastes, and play a crucial role in the cannabis experience beyond just THC and CBD .
Overview
Terpenes are organic compounds naturally produced by plants which create unique smells and flavors. Their natural functions include:
- Attracting pollinators - Drawing bees, butterflies, and other beneficial insects
- Deterring pests - Repelling herbivores and harmful insects
- Protection - Guarding against fungus, microbes, and UV rays
- Communication - Signaling between plants
In the cannabis world, terpenes create unique profiles that change how flower tastes and feels during consumption .
The Entourage Effect
Terpenes don’t just provide flavor—they work synergistically with cannabinoids like THC and CBD in what researchers call the “entourage effect.” This interaction may influence:
- The intensity and character of the high
- Therapeutic benefits
- Duration of effects
- Overall experience
Common Terpenes in Cannabis
| Terpene | Aroma | Notes |
|---|---|---|
| Limonene | Citrus, lemon | Uplifting, stress relief |
| Linalool | Floral, lavender | Calming, relaxation |
| Beta-Caryophyllene | Spicy, peppery | Anti-inflammatory |
| Pinene | Pine, forest | Alertness, memory |
| Myrcene | Earthy, fruity | Sedating, “couch-lock” |
| Humulene | Woody, hoppy | Appetite suppressant |
| Bisabolol | Sweet, floral | Soothing, gentle |
| Eucalyptol | Minty, cool | Refreshing, clearing |
| Terpinolene | Woody, floral | Uplifting, herbal |
Terpenes in Other Plants
Terpenes are not unique to cannabis—they’re found throughout the plant kingdom:
| Terpene | Also Found In |
|---|---|
| Limonene | Citrus fruits, rosemary, mint |
| Linalool | Lavender, basil, coriander |
| Beta-Caryophyllene | Black pepper, cloves, cinnamon |
| Pinene | Pine trees, rosemary, basil |
| Myrcene | Mangoes, hops, lemongrass |
| Terpinolene | Lilac, tea tree, apples, cumin |
| Humulene | Hops, sage, ginseng |
Terpene Classification
Terpenes are classified by the number of isoprene units they contain:
| Class | Isoprene Units | Carbon Atoms | Example |
|---|---|---|---|
| Monoterpenes | 2 | 10 | Limonene, Pinene |
| Sesquiterpenes | 3 | 15 | Humulene, Caryophyllene |
| Diterpenes | 4 | 20 | Cafestol |
| Triterpenes | 6 | 30 | Squalene |
Preserving Terpenes
Terpenes are volatile compounds that can degrade with:
- Heat - High temperatures cause evaporation
- Light - UV exposure breaks down molecules
- Air - Oxidation degrades terpene profiles
- Time - Gradual loss over storage
Proper storage in cool, dark, airtight containers helps preserve the terpene profile.
Did You Know
Drug detection dogs are trained to smell terpenes, not THC itself. This is why they can detect cannabis even in sealed containers—the aromatic terpenes are difficult to fully contain.