Research Article

Geographical Origin Identification of Tequila Based on Multielement and Stable Isotopes

Table 5

Component score coefficient matrix in tequila.

ElementsComponent
123456

Li−0.072−0.137−0.023−0.0820.3140.051
Na−0.042−0.2090.0280.0300.1860.211
Mg0.0650.0810.166-0.2130.1440.036
Al0.080−0.038−0.0450.221−0.1720.383
K−0.060−0.0800.0510.109−0.350−0.286
Ca0.0960.0280.116−0.228−0.063−0.054
V0.101−0.005−0.0020.131−0.1910.257
Cr0.058−0.141−0.1190.0130.290−0.012
Mn0.1050.0250.0370.002−0.0370.278
Fe0.093−0.0430.1060.207−0.008−0.066
Co0.111−0.030−0.0650.1580.041−0.128
Ni0.074−0.083−0.0220.0130.2320.189
Cu−0.0240.0710.2420.2230.0900.003
Zn−0.0090.0680.2240.2040.224−0.118
As0.0560.185−0.125−0.0420.109−0.150
Se0.1080.021−0.063−0.1330.072−0.228
Ag−0.0500.167−0.1400.0540.0620.256
Cd−0.0270.1700.0920.1440.2370.029
Ba0.000−0.0120.212−0.214−0.0750.249
Pb0.103−0.018−0.0600.1690.091−0.271
Bi−0.0330.200−0.1410.0180.0300.169
Sr0.1150.0190.045−0.158−0.031−0.013

Extraction method: principal component analysis.