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use. Those laboratories also using Near (and Mid- (4) A.C. Munoz-Munoz, O. Barbosa-Garcia, G.
range) Infrared spectroscopies can extend analyses in Ramos-Ortiz, J.L. Pichardo-Molina, J.L Maldonado,
the direction beyond 1000 nm (or wavenumbers). M.A. Meneses-Nava, and P.L. Lopez de Alba. UV-vis
Spectroscopy and Multivariate Calibration (PLS)
The method has proven to be fast, reliable and as a Tool for Identification and Classification of
economical for our testing of various beverages on a daily Tequilas. In: Proceedings 3rd International Workshop
basis and should prove useful for quality consistency on Alcoholic Beverages Authentication. C. Guillou,
testing requiring little operator effort in the modern and J. Ryder (Eds). European Commission, Joint
production environment. We, therefore, feel there is a Research Center. 71-79 (2007).
lot of potential for re-evaluating beverages via scanning
UV-visible spectroscopy and especially with more (5) J. Ferguson, K. Reid, and J. Gilchrist. Current
rapid analyses possible with plate-reading scanning Developments in in-bar Authentication of Spirits.
spectrophotometers such as used in our laboratory In: Proceedings 3rd International Workshop on
(17). The application of chemometric analyses and Alcoholic Beverages Authentication. C. Guillou,
vector support machines has been noted (1-4, 7, 9, and J. Ryder (Eds). European Commission, Joint
10) in conjunction with UV-visible spectroscopic Research Center. 149- 156 (2007).
data and could also find wider application in this type
of work. With thus far limited studies it seems the (6) W.M. MacKenzie and R.I. Aylott. Analytical
time is ripe for further investigations and testing for strategies to confirm Scotch whisky authenticity.
routine quality control using UV-visible and possibly Analyst.129, 607-612 (2004).
other types of spectroscopy within a growing field of
beverage production. We would be happy to discuss (7) G. R. Jones, A.G. Deakin, and J.W. Spencer.
further the applications of this older though still very Chromatic signatures of broadband optical spectra
useful technology. for liquor discrimination. Meas. Sci. Technol. 20,
1-10 (2009). 025304 (http://iopscience.iop.org/0957-
References 0233/20/2/025304).
(1) O. Barbosa-Garcia, G. Ramos-Ortiz, J.L.
Maldonado, J.L. Pichardo-Molina, M.A. Meneses- (8) E.C.L Nascimento, M.C.U. Araujo, and R.K.H.
Nava, J.E.A. Landgrave, and J. Cervantes-Martinez. Galvao. A Flow-Batch Analyzer for UV-Vis
UV-vis absorption spectroscopy and multivariate Spectrophotometric Detection of Adulteration in
analysis as a method to discriminate tequila. Distilled Spirits. J. Braz. Chem. Soc. 22 (6), 1061-
Spectrochimica Acta Part A. 66, 129-134 (2007). 1067 (2011).

(2) O. Barbosa-Garcia, G. Ramos-Ortiz, J. Pichardo (9) A.C. Munoz-Munoz, J.L. Pichardo-Molina, G.
Molina, J.L. Maldonado, M.A. Meneses Nava, and Ramos-Ortiz, O. Barbosa-Garcia, J.L. Maldonado,
J.E.A. Landgrave. UV-Vis absorption spectroscopy M.A. Meneses-Nava, N.E. Ornelas-Soto, A.
and chemometrics to discriminate between the Escobedo and P.L. Lopez-de-Alba. Identification and
two basic categories and types of tequila. Proc. of Quantification of Furanic Compounds in Tequila
SPIE: Sixth Symposium Optics in Industry. J.C. and Mezcal using Spectroscopy and Chemometric
Gutierrez-Vega, J. Davila-Rodriguez, and C. Lopez- Methods. J. Braz. Chem. Soc. 21 (6), 1077-1087
Mariscal, (Eds). 6422, 64221W1-W6 (2007). (2010).

(3) U. Contreras, O. Barbosa-Garcia, J.L Pichardo- (10) F. J. Acevedo, J. Jimenez, S. Maldonado, E.
Molina, G. Ramos-Ortiz, J.L. Maldonado, M.A. Dominguez, and A. Narvaez. Classification of
Meneses-Nava, N.E. Ornelas-Soto, and P.L Lopez- Wines Produced in Specific Regions by UV-Visible
de-Alba. Screening method for identification of Spectroscopy Combined with Support Vector
adulterate and fake tequilas by using UV-VIS Machines. J. Agric. Food. Chem. 55, 6842-6849
spectroscopy and chemometrics. Food Research (2007).
International. 43 (10), 2356-2362 (2010).

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