An α-pinene chemotype in Salvia officinalis L. (Lamiaceae)
2006
Novak, J. | Marn, M. | Franz, C.M.
Sage plants (Salvia officinalis) were self-pollinated for three consecutive generations. The essential oil composition of 70 plants of the third generation, originating from four different mother plants, was analyzed. The content of alpha-pinene showed higher variation than all other compounds. The plants segregated into three distinct groups regarding the content of alpha-pinene: a low-level group around 2% alpha-pinene, a mid-level group around 9% and a high level group around 15%. This clear segregation into three groups proves the polymorphism (chemotype formation) of alpha-pinene in sage. Furthermore, the enantiomeric composition of alpha-pinene shifted from 35:65 [(-)-alpha-pinene:(+)-alpha-pinene] in the low level to 15:85 in the mid- and high level.
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