Geographical Origin Identification of Tequila Based on Multielement and Stable Isotopes

Table 4

δ¹³C values and δ¹⁸O values of stable isotope ratio in tequila.

Geographical origin	Ethanol δ^13C value	Water δ^18O value
Guanajuato	−13.67	−13.24
Guanajuato	−13.56	−13.11
Guanajuato	−13.62	−13.29
Guanajuato	−13.5	−13.38
Guanajuato	−13.71	−13.44
Michoacan	−14.04	−9.76
Michoacan	−14.13	−9.62
Michoacan	−14.18	−9.8
Michoacan	−14.3	−9.72
Michoacan	−12.74	−12.11
Michoacan	−12.6	−11.97
Jalisco	−14.12	−9.32
Jalisco	−14.29	−9.41
Jalisco	−14.18	−9.36
Jalisco	−14.09	−9.33
Jalisco	−13.86	−9.12
Tamaulipas	−14.09	−9.26
Tamaulipas	−14.16	−9.48
Tamaulipas	−13.75	−13.14
Tamaulipas	−13.52	−13.02
Tamaulipas	−13.83	−13.13
Tamaulipas	−13.68	−13.22