Abstract
When atmosphere from cotton plants (Gossypium hirsutum L., var. Deltapine Smoothleaf) was condensed by passing it over the expansion coil of an air conditioner and three 1-hour collections per day (early morning, noon, and late afternoon) were made, the total essential oils were found to consist of 50 to 60% β-bisabolol (Ik 1660) and γ-bisabolene (Ik 1550) and 30 to 40% geraniol (Ik 1250), myrtenal (Ik 1328), nerolidol (Ik 1520), and β-caryophyllene oxide (Ik 1590). As the plant matured, trans-2-hexanol was produced in concentrations of 7 to 27%. Before fruiting, β-bisabolol made up as much as 60% of the total essential oil transpired by the plants, and as the concentration of β-bisabolol increased, that of γ-bisabolene decreased.
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Selected References
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