TABLE 10.

Contribution of the variables (%) under control conditions.

	PC1	PC2	PC3	PC4
Lycopene-N	2.449	1.337	16.228	11.882
Beta-carotene-N	8.027	1.960	2.104	1.235
Chl a-N	7.478	3.540	0.131	0.168
Chl b-N	6.799	0.627	6.723	6.761
Total carotenoids-N	4.317	6.965	0.027	1.988
Total Chl-N	8.737	1.719	1.040	0.154
TSP-N	5.512	1.800	4.795	11.885
TPC-N	0.015	12.181	0.509	0.674
Tannins-N	1.548	9.553	0.156	5.207
MDA-N	6.381	1.757	4.958	6.765
SOD-N	4.871	0.020	8.315	18.111
TF-N	3.382	7.274	1.463	3.391
TOS-N	9.148	1.384	0.484	0.379
Ascorbic acid-N	3.908	5.729	2.176	6.624
Sugars-N	7.951	0.001	8.463	0.084
Amylase-N	0.002	12.381	0.000	0.662
Protease-N	0.145	5.205	17.318	4.482
Esterase-N	4.637	6.173	2.294	0.026
Proline-N	10.098	0.193	0.398	0.821
CAT-N	0.038	9.961	6.116	1.544
POD-N	2.097	9.603	0.195	1.712
APX-N	2.460	0.636	16.107	15.443