Journal of Analytical Methods in Chemistry / 2015 / Article / Tab 6

Research Article

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.

VariableEigenvectors
PC1PC2PC3PC4PC5PC6

Length0.201−0.158−0.0590.210−0.0610.133
Width0.2170.060−0.0440.260−0.092−0.045
Weight0.128−0.0120.0920.067−0.5610.313
Crude oil−0.2050.1260.207−0.0360.0670.013
Protein−0.1780.099−0.369−0.073−0.1110.050
Ash0.1640.042−0.0130.1470.1270.625
Carbohydrates0.212−0.1260.1480.0530.1210.039
Sucrose0.195−0.005−0.0360.0440.092−0.399
Glucose−0.170−0.125−0.342−0.2060.0150.095
Vitamin C−0.1650.2590.0790.0110.1660.008
Carotene0.2210.041−0.082−0.1850.2140.007
Vitamin E−0.1650.2590.0790.0110.1660.008
P−0.1440.135−0.2770.407−0.0450.009
Cr−0.158−0.2510.1970.0880.126−0.017
Fe−0.151−0.2680.1850.0080.123−0.018
Mn−0.202−0.175−0.0670.1760.150−0.006
Cu−0.070−0.349−0.040−0.1440.0210.065
Zn0.222−0.0500.2230.048−0.077−0.073
Sr−0.016−0.344−0.1720.1940.1010.010
Cd−0.1800.121−0.311−0.2180.0030.061
Ca0.015−0.335−0.1350.2560.1350.007
K0.1940.063−0.1910.336−0.051−0.122
Al−0.0460.2690.0680.3310.093−0.281
Si−0.0030.2070.1490.1320.3820.453
Cl0.182−0.186−0.104−0.1910.210−0.002
Myristic acid0.1770.087−0.156−0.0500.450−0.043
Stearic acid0.237−0.0620.073−0.0380.043−0.042
Arachidic acid0.2240.100−0.016−0.192−0.079−0.007
Lignoc0.2200.054−0.133−0.252−0.0050.017
Saturat0.239−0.0190.015−0.0650.117−0.040
Linole−0.206−0.187−0.0670.0560.0060.010
Linolen0.1640.105−0.4140.0930.0240.025
Eigenvalue16.696.972.671.811.710.79
Individual %52.1421.788.345.665.332.46
Cumulative %52.1473.9382.2787.9293.2695.72

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