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1) Measurement of caffeine in coffee beans with UV/vis spectrometer
Abebe Belaya, Kassahun Turea, Mesfin Redib and Araya Asfawa
Food Chemistry
Volume 108, Issue 1, 1 May 2008, Pages 310-315
- DOI:
http://dx.doi.org/doi:10.1016/j.foodchem.2007.10.024
2) UV–Vis spectrometric classification of coffees by SPA–LDA
Urijatan Teixeira Carvalho Polari Soutoa, Márcio José Coelho Pontesa, Edvan Cirino Silvaa et al.
Food Chemistry
Volume 119, Issue 1, 1 March 2010, Pages 368-371
- DOI:
http://dx.doi.org/doi:10.1016/j.foodchem.2009.05.078