Abstract
An oil was obtained from roots of Vetiveria nigritana (Benth.) Stapf collected in Mali and analyzed by GC and GC/MS. Fifty-four constituents (79.7% of the whole oil) were identifed. Prezizanoic acid (15.0%), preziza-7(15)-en-12-ol (9.5%), cedren-8-en-15-ol (6.2%), preziza-7(15)-en-3α-ol (6.0%) and zizanoic acid (5.9%) were the major components of Vetiveria nigritana oil.
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