Volatiles from herbs and spices 185
Miscellaneous compounds
Eugenol, methyleugenol, benzaldehyde, trans-anethole, myristicin, safrole, piperonal,
m-methyl acetophenone, p-methyl acetophenone, n-butyrophenone, methyl heptanone,
pinol, methyl heptanate, methyl octanoate, 2-undecanone, n-nonane, n-tridecane and
aromatic acids such as benzoic acid, phenyl acetic acid, cinnamic acid, piperonic
acid, butyric acid, 3-methyl butyric acid, hexanoic acid and 2-methyl pentanoic acid.
The structures of the selected compounds are depicted in Fig. 11.5(a) and 5(b)
(Purseglove et al. 1981a).
11.4.2 Volatile oil constituents
The details of volatiles from individual spices and herbs are discussed below.
OH O OOCCH 3 OHCH 3 OCHOMenthol Menthone Menthyl acetate ThymolOHCarvacrol p-cymene g-terpinene a-terpineneOOOCCH 3 MeOa-terpinyl acetate Carvone Limonene AnetholeOOHOCH 3CH 2 CH CH 2OCH 3OOCCH 3CH 2 CH CH 2
Ocimene 1,8-cineole Eugenol Eugenyl acetateEstragole Linalool Caryophyllene CinnamaldehydeOHFig. 11.5 Major volatiles from spices and herbs