Research Article
A New Source of Elemol Rich Essential Oil and Existence of Multicellular Oil Glands in Leaves of the Dioscorea Species
Table 2
Essential oil constituents and their percentages in oil from Dioscorea composita and Dioscorea floribunda.
| RT | Constituent name | Molecular formula | Type of constituent | % in D. composita | % in D. floribunda |
| 9.87 | Alpha terpinene | C10H16 | Monoterpene | 0.45 | 0.06 | 30.6 | Butylated hydroxytoluene | C15H24O | Sesquiterpene | 7.57 | 2.68 | 32.47 | Elemol | C15H26O | Sesquiterpene | 41.02 | 22.88 | 32.52 | Elemene | C15H24 | Sesquiterpene | 0.33 | 0.31 | 34.72 | Aromadendrine | C15H24 | Sesquiterpene | 0.82 | 0.04 | 36.2 | Naphthalene | C15H26 | Sesquiterpene | 3.71 | 2.48 | 36.45 | Torreyol | C15H26O | Sesquiterpene | 3.91 | 2.45 | 36.62 | Alpha copaene | C15H24 | Sesquiterpene | 0.44 | 0.56 | 36.97 | Azulene | C15H24 | Sesquiterpene | 2.12 | 2.31 | 37.17 | Selinene | C15H24 | Sesquiterpene | 4.32 | 9.57 | 37.35 | Dodecyl acrylate | C15H28O2 | Sesquiterpene | 0.95 | 0.19 | 37.57 | Citronellyl acetate | C12H22O2 | Monoterpene | 0.32 | 0.28 | 38.87 | Farnesol | C15H26O | Sesquiterpene | 14.81 | 0.65 | 39.75 | Farnesene | C15H24 | Sesquiterpene | 0.64 | 0.18 | 42.80 | Gamma-costol | C15H24O | Sesquiterpene | 1.51 | 1.45 | 42.92 | Beta-costol | C15H24O | Sesquiterpene | 0.76 | 0.78 | 44.82 | Valerenyl acetate | C17H26O2 | Sesquiterpene | 0.69 | 0.55 | 45.52 | 1-Deoxycapsidiol | C15H24O | Sesquiterpene | 0.58 | 0.43 | 46.12 | 1,8-Anhydro-cis-alpha-copaene-8-ol | C15H22 | Sesquiterpene | 0.49 | 0.66 |
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