Seasonal variation of germacrone and atractylone in the essential oil of Siparuna guianensis Aublet
DOI:
https://doi.org/10.70151/ab3y2z21Keywords:
Siparuna guianensis, Monimiaceae, oils volatile, germacrone, atractyloneAbstract
In the previous study, we described the essential oil of Siparuna guianensis obtained from three Amazon varieties: type A, rich in epi-α-bisabolol and spathulenol, type B rich in spathulenol and selin-11-en-4-ol, and the type C rich in germacrone and atractylone. In this study, the essential oil from the leaves of the type C were obtained from January at 2 month intervals up to December 2000. At each sampling, the oil content was determined in a Clevenger-type apparatus, and examined by GC-MS. The maximum content of atractylone and germacrone were 51.7% and 29.7%, in March and January, respectively. The leaf oil yields were in the range 0.9-1.3%.
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