| Title: | Comparative Chemical Profiling and Citronellol Enantiomers Distribution of Industrial-Type Rose Oils Produced in China |
| Author(s): | Dobreva A; Nedeltcheva-Antonova D; |
| Address: | "Institute of Roses and Aromatic Plants, Agricultural Academy, 6100 Kazanlak, Bulgaria. Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria" |
| DOI: | 10.3390/molecules28031281 |
| ISSN/ISBN: | 1420-3049 (Electronic) 1420-3049 (Linking) |
| Abstract: | "The chemical composition and aroma profile of industrial essential oils (EOs) from species of rose grown in China, including the native Kushui rose (R. sertata x R. rugosa) and R. rugosa Thunb. cv. Plena, and the recently introduced Damask rose (R. damascena Mill.), were studied in comparison by means of GC/MS and GC-FID. More than 150 individual compounds were detected in Chinese rose samples, of which 112 were identified and their quantitative content determined, representing 88.7%, 96.7% and 97.9% of the total EO content, respectively. It was found that the main constituents of the Chinese rose EOs were representatives of terpenoid compounds (mono- and sesquiterpenoids, predominantly) and aliphatic hydrocarbons. Comparative chemical profiling revealed different chemical composition and aroma profiles: while the R. damascena oil showed a balance between the eleoptene and stearoptene fractions of the oil (the average ratio between the main terpene alcohols and paraffins was 2.65), in the Kushui and R. rugosa oils, the odorous liquid phase strongly dominated over the stearopten, with a ratio of 16.91 and 41.43, respectively. The most abundant terpene was citronellol, ranging from 36.69% in R. damascena to 48.32% in R. rugosa oil. In addition, the citronellol enantiomers distribution, which is an important marker for rose oil authenticity, was studied for the first time in R. rugosa oil" |
| Keywords: | "*Rosa/chemistry Terpenes/analysis *Oils, Volatile/chemistry China Kushui rose R.damascena Mill.R.rugosa chemical profiling citronellol enantiomers separation gas chromatography-mass spectrometry oil-bearing roses;" |
| Notes: | "MedlineDobreva, Ana Nedeltcheva-Antonova, Daniela eng KP-06-OPR-01/5/National Science Fund (Ministry of Education and Science) of Bulgaria/ Switzerland 2023/02/12 Molecules. 2023 Jan 28; 28(3):1281. doi: 10.3390/molecules28031281" |
