Table 1.

Loadings for the two first components of GASCA model for the light condition and time effect matrices and their interaction

#	Metabolites	Factors and interactions
		Light		Time		Light $\times$ Time
		PC1	PC2	PC1	PC2	PC1	PC2
1	4-Hydroxy-benzoic acid				0.360
2	4-Hydroxycinnamic acid				0.365
3	Alanine						0.648
4	Arabinose
5	Arabitol	0.186
6	Ascorbic acid		− 0.061
7	Asparagine	0.128		− 0.156
8	Aspartate		− 0.549		− 0.195
9	Benzoic acid		− 0.155	0.117
10	Beta-alanine			− 0.491		− 0.268	− 0.071
11	Citramalate		− 0.256
12	Citric acid
13	Citrulline/arginine			− 0.084
14	Dehydroascorbic acid		0.293
15	Dehydroascorbic acid dimer
16	Docosanoic acid				0.258
17	Erythritol	0.114
18	Ethanolamine	0.184			− 0.188
19	Fructose		0.262				0.445
20	Fucose		− 0.124
21	Fumaric acid	0.084
22	Gaba	0.162				− 0.320	− 0.074
23	Galactinol				− 0.109
24	Galactose
25	Gluconic acid		− 0.228
26	Glucose		0.315				0.580
27	Glutamate		− 0.164
28	Glutamine		0.445
29	Glycerol			0.202
30	Glycolic acid	− 0.475
31	Hexacosanoic acid		0.051
32	Hydroxyproline
33	Indole-3-acetonitrile
34	Isoleucine			− 0.344		− 0.334
35	Itaconic acid				0.336
36	Lactic acid
37	Leucine			− 0.371		− 0.369
38	Lysine	0.214		− 0.352		− 0.449	− 0.005
39	Maleic acid
40	Malic acid
41	Maltose	0.061			− 0.355
42	Mannitol
43	Methionine	− 0.340				0.308	0.092
44	Myo-inositol
45	Nicotinic acid
46	O-acetyl-serine				0.254
47	Octacosanoic acid
48	Octadecanoic acid
49	Ornithine
50	Palmitic acid
51	Phenylalanine	− 0.505			− 0.178
52	Proline
53	Putrescine				− 0.284
54	Pyruvic acid
55	Serine
56	Shikimate	− 0.236				0.335	0.163
57	Similar to adenine
58	Sinapic acid
59	Succinic acid					− 0.251
60	Sucrose	− 0.328		0.167
61	Tetracosanoic acid				0.320
62	Threonic acid		− 0.149
63	Threonine
64	Trehalose
65	Tyrosine			− 0.405		− 0.325
66	Uracil	0.244
67	Valine		0.185	− 0.318

Null loadings are omitted