Table 2. Effects of extraction temperature and time on subcritical water extraction of camphor, borneol, and eucalyptol concentration

Extraction condition		Concentration (mg/g)
Temperature (°C)	Time (min)	Camphor	Borneol	Eucalyptol
110	5	2.08±0.19^abc	0.57±0.05^ab	0.25±0.06^fg
	10	2.03±0.20^abc	0.55±0.03^ab	0.23±0.01^defg
	15	2.28±0.01^abc	0.60±0.01^ab	0.26±0.02^g
130	5	2.73±0.39^d	0.72±0.07^c	0.37±0.01^h
	10	1.94±0.22^abc	0.58±0.06^ab	0.24±0.01^efg
	15	2.38±0.20^cd	0.62±0.05^abc	0.26±0.02^g
150	5	2.31±0.39^bcd	0.62±0.05^abc	0.51±0.03ⁱ
	10	1.82±0.22^ab	0.54±0.05^a	0.19±0.02^cde
	15	1.97±0.20^abc	0.58±0.07^abc	0.21±0.03^def
170	5	1.97±0.03^abc	0.60±0.02^ab	0.20±0.04^def
	10	1.97±0.13^abc	0.57±0.03^ab	0.18±0.02^bcd
	15	2.09±0.27^abc	0.63±0.04^ab	0.19±0.02^cde
190	5	1.98±0.35^abc	0.65±0.08^ab	0.23±0.05^defg
	10	1.84±0.20^ab	0.59±0.05^ab	0.13±0.02^ab
	15	1.99±0.27^abc	0.61±0.05^ab	0.14±0.01^abc
200	5	2.02±0.39^abc	0.66±0.08^abc	0.19±0.05^cde
	10	1.81±0.16^ab	0.57±0.04^ab	0.12±0.02^a
	15	1.74±0.23^a	0.58±0.02^ab	0.11±0.09^a

Duncan's test at a significance level of p<0.05, means in the same column with matching superscript letters are not differ significantly (n=3).