Abstract：
:Combinations of thyme, cowslip and liquorice roots are often used in the treatment of upper respiratory tract infections. Therefore the volatile fraction of herbal teas prepared from thyme (Thymus vulgaris) and the effect of combining with cowslip (Primula veris/P. elatior) and liquorice roots (Glycyrrhiza glabra) on the volatiles were analyzed. Volatile compounds were isolated by hydrodistillation and solid phase extraction and analyzed by GC-MS. Thymol was also quantified by HPLC. The total amount of volatiles as well the thymol content was decreased with increasing proportions of cowslip or liquorice in the infusion extracts whereas the proportion of monoterpene hydrocarbons increased.
journal_name
Fitoterapiajournal_title
Fitoterapiaauthors
Tschiggerl C,Bucar Fdoi
10.1016/j.fitote.2011.05.006subject
Has Abstractpub_date
2011-09-01 00:00:00pages
903-10issue
6eissn
0367-326Xissn
1873-6971pii
S0367-326X(11)00122-5journal_volume
82pub_type
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