Table 1.

Identification, BPI, VIP values and P‐values of GAs under the two culture methods of Ganoderma lucidum.

NO.	Ret. Time	[M‐H]‐ m/z	UV (254 nm)	BPI						VIP pred	P‐value	Identification	Type
				SC‐4	SC‐6	SC‐8	LSSC‐4	LSSC‐6	LSSC‐8
1	14.25	629.2894	+	43.88	2.17	31.41	322.88	197.76	182.01	5.87	1.08E‐02	Ganoderic acid Mb/Mc a	I
2	15.47	571.2916	+	2.53	0.00	0.00	173.47	180.28	157.52	5.52	1.53E‐05	Ganoderic acid Ma/W a	I
3	14.71	643.3068	+	2.74	0.00	1.09	185.25	148.72	122.02	5.14	1.20E‐03	7‐O‐methyl ganoderic acid O	I
4	14.93	569.2788	+	0.00	0.00	0.00	125.27	157.62	148.38	5.07	1.17E‐04	Ganoderic acid Q	II
5	14.41	587.2913	+	1.22	0.00	0.00	141.82	128.48	123.70	4.85	1.76E‐05	Ganoderic acid Mh	I
6	15.65	571.3004	+	0.00	0.00	0.00	94.93	133.16	125.56	4.56	5.43E‐04	Ganoderic acid Ma/W a	I
7	14.47	629.3060	+	0.00	0.00	1.00	103.77	120.29	115.16	4.50	2.10E‐05	Ganoderic acid Mb/Mc a	I
8	15.30	611.2816	+	15.91	28.11	4.46	250.62	193.31	169.07	4.26	1.70E‐03	Ganoderic acid T	II
9	15.97	585.3181	+	0.00	0.00	0.00	75.90	103.45	89.40	3.99	3.54E‐04	Ganoderic acid Md	I
10	16.50	553.2908	+	0.00	14.87	0.00	68.01	110.97	114.65	3.98	4.15E‐03	Ganoderic acid R	II
11	14.58	527.2855	+	0.00	0.00	0.00	53.15	85.30	72.61	3.50	1.67E‐03	Ganoderic acid V	I
12	12.44	543.2775	+	0.00	0.00	0.00	36.84	62.04	51.93	2.95	2.36E‐03	Ganoderic acid Mi	I
13	14.59	601.3106	+	0.00	0.00	0.00	86.85	66.85	22.44	2.60	1.10E‐02	Ganoderic acid Mg	I

BPI, base peak intensity; VIP, variable importance for the projection.

^aThe two ganoderic acids were indistinguishable, but it did not affect the analysis of the result.