Physicochemical Characteristics and Composition of Three Morphotypes of Cyperus esculentus Tubers and Tuber Oils

Table 6

Eigenvectors and percent explained variation by the first six principal components of physical and chemical data parameters of 3 morphotypes of Cyperus esculentus tubers.

Variable	Eigenvectors
	PC1	PC2	PC3	PC4	PC5	PC6
Length	0.201	−0.158	−0.059	0.210	−0.061	0.133
Width	0.217	0.060	−0.044	0.260	−0.092	−0.045
Weight	0.128	−0.012	0.092	0.067	−0.561	0.313
Crude oil	−0.205	0.126	0.207	−0.036	0.067	0.013
Protein	−0.178	0.099	−0.369	−0.073	−0.111	0.050
Ash	0.164	0.042	−0.013	0.147	0.127	0.625
Carbohydrates	0.212	−0.126	0.148	0.053	0.121	0.039
Sucrose	0.195	−0.005	−0.036	0.044	0.092	−0.399
Glucose	−0.170	−0.125	−0.342	−0.206	0.015	0.095
Vitamin C	−0.165	0.259	0.079	0.011	0.166	0.008
Carotene	0.221	0.041	−0.082	−0.185	0.214	0.007
Vitamin E	−0.165	0.259	0.079	0.011	0.166	0.008
P	−0.144	0.135	−0.277	0.407	−0.045	0.009
Cr	−0.158	−0.251	0.197	0.088	0.126	−0.017
Fe	−0.151	−0.268	0.185	0.008	0.123	−0.018
Mn	−0.202	−0.175	−0.067	0.176	0.150	−0.006
Cu	−0.070	−0.349	−0.040	−0.144	0.021	0.065
Zn	0.222	−0.050	0.223	0.048	−0.077	−0.073
Sr	−0.016	−0.344	−0.172	0.194	0.101	0.010
Cd	−0.180	0.121	−0.311	−0.218	0.003	0.061
Ca	0.015	−0.335	−0.135	0.256	0.135	0.007
K	0.194	0.063	−0.191	0.336	−0.051	−0.122
Al	−0.046	0.269	0.068	0.331	0.093	−0.281
Si	−0.003	0.207	0.149	0.132	0.382	0.453
Cl	0.182	−0.186	−0.104	−0.191	0.210	−0.002
Myristic acid	0.177	0.087	−0.156	−0.050	0.450	−0.043
Stearic acid	0.237	−0.062	0.073	−0.038	0.043	−0.042
Arachidic acid	0.224	0.100	−0.016	−0.192	−0.079	−0.007
Lignoc	0.220	0.054	−0.133	−0.252	−0.005	0.017
Saturat	0.239	−0.019	0.015	−0.065	0.117	−0.040
Linole	−0.206	−0.187	−0.067	0.056	0.006	0.010
Linolen	0.164	0.105	−0.414	0.093	0.024	0.025
Eigenvalue	16.69	6.97	2.67	1.81	1.71	0.79
Individual %	52.14	21.78	8.34	5.66	5.33	2.46
Cumulative %	52.14	73.93	82.27	87.92	93.26	95.72