A new approach for quantifying furanodiene and curzerene: a case study on the essential oils of Eugenia uniflora L., Myrtaceae (pitangueira) leaves
Rev. bras. farmacogn
;
21(3): 392-396, maio-jun. 2011. graf, tab
Article
in English
| LILACS
| ID: lil-593287
ABSTRACT
The essential oil obtained from the leaves of Eugenia uniflora L., Myrtaceae, which grows in the Brazilian savannah, was studied by gas chromatography mass spectrometry (GC-MS). Furanodiene (1.2 percent) was thermally rearranged to curzerene (85.1 percent) to produce a combined content of 86.3 percent. GC analysis carried out under mild conditions (with a constant temperature of 100 ºC) showed that the furanodiene concentration was three-fold greater than the curzerene concentration, i.e., the essential oil contained 64.7 percent furanodiene and 21.6 percent curzerene. Germacrene B also rearranged to γ-elemene and the concentration of both was 2.3 percent. Special care should be taken when conventional gas chromatography analysis is used for quantifying compounds that can rearrange at high temperatures.
Full text:
Available
Index:
LILACS (Americas)
Language:
English
Journal:
Rev. bras. farmacogn
Journal subject:
Pharmacy
Year:
2011
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Instituto de Química/BR
/
Universidade Federal de Uberlândia/BR
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