Aroma: Citrus, Forest, and Diesel

Vaporizes At: 176ºC (348ºF)

Potential Effects: Elevated mood, Stress Relief.

Potential Medical Value: Immune potentiator, Antidepressant, Antimutagenic. 

Also Found in: Lemon, Orange, Grapefruit, Tangerine.

Aroma: Wood, Herbal, and Citrus. 

Vaporizes At: 123 °C (253 °C)

Potential Effects: Calming, Sedative, Focus.

Potential Medical Value: Stress relief, Antioxidant, Antimicrobial.

Also Found in: Green apples, Tumeric, Potatoes

Aroma: Forest, Herbal, and Wood

Vaporizes At: 155ºC (311ºF)

Potential Effects: Alertness, Memory Retention.

Potential Medical Value: 

Also Found in: Pine needles, Basil, Parsley, Dill, Nutmeg, Ginger, Fennel, and Sage.

Aroma: Spice, Wood, Skunky.

Vaporizes At: 119ºC (246ºF) 

Potential Effects: Stress relief, sedative.

Potential Medical Value: Antiinflammatory, Cytoprotective (gastric mucosa), Antimalarial

Also Found in:  Black Pepper, clove, black caraway, cinnamon