Guaienes are a series of closely related natural chemical compounds that have been isolated from a variety of plant sources.

The guaienes are sesquiterpenes with the molecular formula C15H24.

α-Guaiene is the most common and was first isolated from guaiac wood oil from Bulnesia sarmientoi.

[4] The guaienes are used in the fragrance and flavoring industries to impart earthy, spicy aromas and tastes.

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