Journal
JOURNAL OF ESSENTIAL OIL RESEARCH
Volume 17, Issue 2, Pages 160-165Publisher
ALLURED PUBL CORP
DOI: 10.1080/10412905.2005.9698864
Keywords
Cistus ladanifer; Cistaceae; rockrose; essential oil composition; viridiflorol
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The chemical composition of the cistus oil from Portuguese-grown rockrose (Cistus ladanifer) was determined using GC and GUMS. A comparison was also made in terms of the geographical source and use of either dry or fresh plant material. The cistus oil herein obtained was richer in amber-like compounds and had a low content of monoterpenes when compared to the usual values found in the literature. Moreover, it presented a relatively high content of ambrox (amber odor), which usually is only reported in labdanum oil. The major constituents were three sesquiterpene alcohols: viridiflorol (13.6-17.4%), globulol (3.1-5.0%) and an unknown sesquiterpene alcohol (2.76.0%), as well as the diterpene alcohol 15-nor-labdan-8-ol (1.7-5.2%). Three samples of commercially available cistus oil were also analyzed and compared.
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