Objective: Optimization and to establish the heat better oral liquid from best autumn lee alcohol

ketone of patchouli

thymol

sweet fineleaf schizonepeta herb phenol of capillary gas chromatography determination conditions. Method: The chromatographic column:HP-5 (0.25 μm×0.32 mm×30 m)elastic quartz capillary column;injection port temperature 220℃

FID detector temperature 220℃

temperature programmed

starting temperature 110℃

keep for 10 min

at 25℃ to 230℃

temperature programmed to keep 9.2 min

diversion ratio 10:1

including 1 L sample quantity. Result: The autumn lee alcohol

ketone of patchouli

thymol

sweet fineleaf schizonepeta herb phenol concentration in sample quantity is 1.109-0.110 9

0.504-0.050 4

0.987-0.098 7

0.605-0.060 5 g·L-1 and good linear relationship between peak area

linear relationship is Y=1 653.05X-1.46(r=0.999 8)

Y=1 207.45X-16.10(r=0.999 7)

Y=1 691.68X-18.06(r=0.999 5)

Y=1 547.18X+5.55(r=0.999 6)

sample recovery rate was 99.9%-103.7%(n=9)

98.4%-104.4%

104.4%-101.4% and 101.4%-97.2%

RSD was 1.9%

2.3%

2.5% and 1.9% respectively. Conclusion: The optimized method has good separating degree

negative without interference

easy operation

stable and feasible.