Table 2.

The concentration of major compounds in the extracts from hawthorn seeds.

Compound	Concentration (mg/g)
	150–170 °C	171–190 °C	191–210 °C	211–230 °C	231–250 °C	251–270 °C	150–270 °C
furfural	4.196	10.120	9.009	7.743	6.410	8.400	5.835
2-methoxyphenol	0.480	0.948	2.995	5.497	6.034	3.960	1.303
2-methoxy-4-methylphenol	0.387	0.889	2.792	5.569	5.660	3.322	1.092
4-ethyl-2-methoxyphenol	0.263	0.655	2.018	4.091	3.637	2.103	0.853
2,6-dimethoxyphenol	0.582	1.182	4.890	8.969	9.360	5.983	1.441
5-tertbutylpyrogallol	0.773	1.573	5.103	10.010	8.913	5.738	2.134