Table 3. Differential metabolites from dried lavers identified through OPLS-DA

No.	Compound name1)	GL2) vs. DL		GL vs. KL		GL vs. JL		DL vs. KL		DL vs. JL		KL vs. JL
		p-value	Log2 (FC)	p-value	Log2 (FC)	p-value	Log2 (FC)	p-value	Log2 (FC)	p-value	Log2 (FC)	p-value	Log2 (FC)
1	LPC 14:0							9.25E-06	−1.579	5.53E-05	−1.6557
2	LPC 16:0							7.45E-06	−2.134
3	LPC 16:1							2.08E-05	−3.3973
4	LPC 18:0							3.36E-07	−1.5271	4.61E-05	−1.0286
5	LPC 18:4					1.54E-06	−0.92342
6	LPC 20:1							1.95E-05	−0.60425	2.52E-06	−0.5922
7	LPE 16:0							1.30E-05	−2.3497
8	LPE 16:1							1.55E-04	−5.7163
9	LPE 18:1			3.06E-17	−1.2419	1.60E-12	−1.061
10	LPE 18:2					9.34E-09	−0.75012
11	LPE 20:3	3.79E-10	−1.1342
12	LPE 20:4	1.91E-13	−1.3686							2.38E-06	0.59962
13	LPE 20:5	9.35E-11	−1.3358	3.60E-08	−1.1219	2.77E-07	−1.3392
14	MGTS 16:0	3.21E-09	7.0477	4.50E-09	6.6799	7.12E-09	6.147
15	Adenosine							5.96E-07	−1.6328	2.07E-07	−1.2751
16	Guanosine	1.58E-10	0.72208
17	Inosine	2.28E-10	2.0145					2.43E-06	−1.1096	2.33E-06	−1.1412
18	5’-GMP	4.05E-13	−0.68927	5.75E-10	−0.63895
19	5’-Methylthioadenosine									1.55E-06	0.86504	2.28E-05	0.7447
20	Aplysiapalythine B	4.30E-08	−1.8737	1.75E-09	−2.0532	6.34E-08	−1.7458
21	Asterina-330	1.92E-08	−1.3514	4.50E-09	−1.2531	3.63E-09	−1.2764
22	Mycosporine-glycine-alanine			8.03E-10	3.0717	9.35E-11	3.4836
23	Shinorine	4.42E-08	1.5335	3.80E-09	1.7326	3.39E-11	1.985
24	Aspartic acid	1.40E-13	1.419	1.24E-14	1.5931	2.12E-10	1.4903
25	2,6-Piperidine dicarboxylic acid	7.07E-09	−1.8994			2.29E-08	−1.9055
26	Phycoerythrobilin											6.17E-04	0.77825

LPC, lysophosphatidylcholine; LPE, lysophosphatidylethanolamine; MGTS, monoacylglycerol-trimethylhomoserine; 5’-GMP, guanosine 5’-monophosphate.
GL, Neoporphyra dentata (Gopchang-gim); DL, Neoporphyra seriata (Dol-gim); K, Neopyropia yezoensis (Gimbap-gim); J, Neopyropia yezoensis (Jaerae-gim).