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KMID : 0385520120250040207
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Analytical Science & Technology
2012 Volume.25 No. 4 p.207 ~ p.213
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Gas chromatographic profiles of rose essential oils: a round-robin test on oil of rose, Chinese Kushui type (Rosa sertata × Rosa rugosa)
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Son Hyun-Hwa
Lee Dong-Sun
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Abstract
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Analysis of the aroma constituents present in the rose essential oil of Chinese Kushui type (Rosa sertata × Rosa rugosa) by GC-FID and GC-MS was performed independently as an expert for the inter-laboratory round-robin test to verify reproducibility according to the decision of the preliminary meeting of ISO/TC-54 (Shanghai, Sep. 14-15, 2010). Total 179 peaks (using SPB-1 apolar column), 165 peaks (using DB-624 intermediate polar column), and 162 peaks (using Supelcowax-10 polar column) were separated by GC-FID, respectively. Major constituents (over 5%) by GC-FID were β-citronellol (41.6~46.7%), geraniol (9.7~11.0%), and nerol (3.4~4.5%). β-Citronellol peak was overlapped with nerol peak on SPB-1 and DB-624 columns, whereas the two peaks were separated each other on Supelcowax-10 column. Our results were generally consistent with Chinese data (ISO/DIS 25175); however, a peak of phenethyl alcohol separated by using PEG (Supelco wax) column was found at the quite different retention time. Comparative analysis was conducted using Bulgarian rose (Rosa damascena Miller) oil and perfume. Bulgarian rose oil showed rich amounts of characteristic aroma
constituents than the essential oil of Chinese Kushui type.
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KEYWORD
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GC-FID, GC/MS, rose essential oils, chinese kushui type, aroma, round robin test for ISO/TC-54
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