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第45卷第12期 段名秀,张代为,彭梦凡,等. 液液萃取联合葡聚糖凝胶LH⁃20分离制备香烟烟雾中的5⁃羟甲基⁃2⁃
2025年12月 糠醛[J]. 南京医科大学学报(自然科学版),2025,45(12):1727-1737 ·1731 ·
A
(mV) 1 000 Aqueous phase
Voltage 500
0
4.0 5.0 6.0 7.0 8.0 9.0 10.0
Time(min)
B
(mV) 1 000 Chloroform phase
Voltage 500
0
4.0 5.0 6.0 7.0 8.0 9.0 10.0
Time(min)
C
(mV) 1 000 Aqueous phase
Voltage 500
0
4.0 5.0 6.0 7.0 8.0 9.0 10.0
Time(min)
D
(mV) 1 000 Chloroform phase
Voltage 500
0
4.0 5.0 6.0 7.0 8.0 9.0 10.0
Time(min)
A:Chromatogram of the aqueous phase after single liquid⁃liquid extraction. B:Chromatogram of the chloroform phase after single liquid⁃liquid
extraction. C:Chromatogram of the aqueous phase after double liquid⁃liquid extraction. D:Chromatogram of the chloroform phase after double liquid⁃
liquid extraction.
图3 5⁃HMF标准品液液萃取后的色谱图
Figure 3 Chromatogram of standard 5⁃HMF after liquid⁃liquid extraction
表2 液液萃取后水相和三氯甲烷中5⁃HMF的峰面积比较(n=3)
Table 2 Comparison of peak areas of 5⁃HMF in aqueous and chloroform phases after liquid⁃liquid extraction(n=3)
6
6
Extraction method Average peak area(×10 ,x ± s) Peak area 95% CI(×10 ) Proportion(%,x ± s)
Single liquid⁃liquid extraction
Aqueous phase 11.61 ± 0.28 10.75-12.47 75.05 ± 1.81
Chloroform phase 03.86 ± 0.32 2.89-4.84 24.95 ± 2.07
Double liquid⁃liquid extraction
Aqueous phase 13.87 ± 0.40 12.65-15.09 93.43 ± 2.70
Chloroform phase 00.96 ± 0.04 0.85-1.07 06.44 ± 0.24
检测,检测结果与第1包香烟结果相似。3次独立分 9~14 管合并为 5⁃HMF 段。根据峰面积计算纳入
离实验的检测数据显示,5⁃HMF洗脱分布规律高度 5⁃HMF 段的比例为:(T9+T10+T11+T12+T13+T14)/
一致,均主要集中于第 9~14 管(图 5,表 4),故将第 (T8+T9+T10+T11+T12+T13+T14+T15+T16)×100%=

