Sesquiterpenoid spathulenol

The volatile oil contains sesquiterpenoids, including matricarin and matricin and the fragrant constituent famesol. Matricin and its degradation product, chamazulene, are mainly responsible for the characteristic blue coloration chamazulene, farnesene, (-)-a-bisabo-lol oxides A, B, and C, spathulenol, E- and Z-en-yn-dicycloether are the major constituents, with their relative concentrations varying considerably, depending on the sources... 

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