PEI Xiang-ping, PEI Miao-rong, LI Hui-feng, et al. Content Determination of Thymol and Carvacrol from Herba Thyma by GC[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(14): 132-134.
DOI:
PEI Xiang-ping, PEI Miao-rong, LI Hui-feng, et al. Content Determination of Thymol and Carvacrol from Herba Thyma by GC[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(14): 132-134. DOI: 10.11653/syfj2013140132.
Content Determination of Thymol and Carvacrol from Herba Thyma by GC
Objective: To establish a gas chromatographic method for the simultaneous determination of thymol and carvacrol in Herba Thyma. Method: The GC system consisted of capillary column(0.25 μm×0.32 mm
30 m)
FID detector
nitrogen as carrier gas
column temperature programmed
the initial temperature of 50℃
detector temperature of 230℃. Result: The content of thymol and carvacrol in 8 batches of samples was determined
thymol and carvacrol were separated well under the chromatographic conditions. The recoveries of thymol and carvacrol were 99.29%(RSD 2.51%)
99.07%(RSD 2.92%). Conclusion: The method was sensitive
accurate and specific
which is suitable for the quality control of Herba Thyma.
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