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• W2349520052 abstract "Objective: To investigate the components from the volatile oils of Radix Paeoniae Alba and Radix Paeoniae Rubra,and compare the differences in components of these volatiles. Methods: The volatile oil was extracted via the steam distillation method and identified by gas chromatography- mass spectrometry( GC- MS) technology.Chromatographic conditions were as follows. The chromatographic column Rtx- 5ms( 30 m × 0. 25 mm × 0. 25 μm)was adopted,the inlet temperature was 250 ℃,and the interface temperature was 260 ℃,followed by temperature programming( 60 ℃ for 0- 3 min,heated to 200 ℃ at a speed of 4 ℃·min- 1,then heated to 280 ℃ at a speed of 10 ℃·min- 1 kept for 10 min. The carrier gas was N2( 99. 99%),with the constant linear velocity of 36. 5 cm·s- 1 for carrier gas control. The split ratio was 5∶ 1,the sample volume 1 μL. The mass spectrometric conditions were as follows. The ion source EI was adopted with the ionization voltage of 70 e V,the ion source temperature of 200 ℃and the acceleration voltage of 4 k V,the scan range of 50- 450 amu. Results: There were fifty- five components identified in Radix Paeoniae Alba and sixty- eight in Radix Paeoniae Rubra. The normalization method of peak area was used for content analysis of all the components. Palmitic acid,linoleic acid,and myrtanal were main components in Radix Paeoniae Alba,and palmitic acid was the most abundant with a content of 54. 48%. Paeonol,palmitic acid,linoleic acid,and salicylaldehyde were main components in Radix Paeoniae Rubra volatile oil,and paeonol was the most abundant with a content of 39. 43%. Thus,there were some significant differences in the volatile components between Radix Paeoniae Alba and Radix Paeoniae Rubra,and moreover,for the same herb from various resources,the major volatile components mentioned above also showed an apparent difference. Conclusion: This study will be useful for analysis of the volatile components in Radix Paeoniae Alba and Radix Paeoniae Rubra. The data could provide scientific evidence for the possible relationship between volatile oil components and pharmacological effects of Radix Paeoniae Alba and Radix Paeoniae Rubra from different resources." @default.
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• W2349520052 date "2015-01-01" @default.
• W2349520052 modified "2023-09-23" @default.
• W2349520052 title "Analysis of the volatile components from different origins of Radix Paeoniae Alba and Radix Paeoniae Rubra by GC-MS" @default.
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