A new method for calculating the color coordinates of red and rose wines is presented. Characteristic vector analysis has been applied to the transmittance spectra of 690 wines. This method allows the reconstitution of the transmittance spectra of all the wines used from the mean vector and three characteristic vectors. Expressions for tristimulus values are obtained as function of transmittance measurements at three wavelengths. The color of each wine has been calculated based on these results. Color differences between these results and those obtained by application of the CIE method to experimentally measured spectra are smaller than differences between the results obtained making use of the recommended OIV method and the aforementioned CIE method.
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Univ Castilla La Mancha, Reg Inst Appl Sci Res IRICA, Fac Chem Sci & Technol, Food Technol, Ciudad Real, SpainUniv Castilla La Mancha, Reg Inst Appl Sci Res IRICA, Fac Chem Sci & Technol, Food Technol, Ciudad Real, Spain
Fernandez, Lara Labrador
Perez-Porras, Paula
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Univ Murcia, Fac Vet Sci, Dept Food Sci & Technol, Murcia, SpainUniv Castilla La Mancha, Reg Inst Appl Sci Res IRICA, Fac Chem Sci & Technol, Food Technol, Ciudad Real, Spain
Perez-Porras, Paula
Diaz-Maroto, Maria Consuelo
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Univ Castilla La Mancha, Reg Inst Appl Sci Res IRICA, Fac Chem Sci & Technol, Food Technol, Ciudad Real, SpainUniv Castilla La Mancha, Reg Inst Appl Sci Res IRICA, Fac Chem Sci & Technol, Food Technol, Ciudad Real, Spain
Diaz-Maroto, Maria Consuelo
Gomez-Plaza, Encarna
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Univ Murcia, Fac Vet Sci, Dept Food Sci & Technol, Murcia, SpainUniv Castilla La Mancha, Reg Inst Appl Sci Res IRICA, Fac Chem Sci & Technol, Food Technol, Ciudad Real, Spain
Gomez-Plaza, Encarna
Perez-Coello, Maria Soledad
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Univ Castilla La Mancha, Reg Inst Appl Sci Res IRICA, Fac Chem Sci & Technol, Food Technol, Ciudad Real, SpainUniv Castilla La Mancha, Reg Inst Appl Sci Res IRICA, Fac Chem Sci & Technol, Food Technol, Ciudad Real, Spain
Perez-Coello, Maria Soledad
Bautista-Ortin, Ana Belen
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Univ Murcia, Fac Vet Sci, Dept Food Sci & Technol, Murcia, SpainUniv Castilla La Mancha, Reg Inst Appl Sci Res IRICA, Fac Chem Sci & Technol, Food Technol, Ciudad Real, Spain