Variation in caffeine concentration in single coffee beans

Journal of Agricultural and Food Chemistry

Volumn 61, Issue 45, 2013, Pages 10772-10778

  Fox, Glen P ^a   Wu, Alex ^a   Yiran, Liang ^a   Force, Lesleigh ^a  

^a UNIVERSITY OF QUEENSLAND   (Australia)

Author keywords

bean sorting; caffeine; coffee bean; ground coffee; near infrared spectroscopy

Indexed keywords

BREWED COFFEE; CAFFEINE CONTENTS; COFFEE BEANS; COFFEE PRODUCTS; CROSS VALIDATION; INTERNATIONAL STANDARDS; NEAR INFRARED REFLECTANCE SPECTROSCOPY; STANDARD ERRORS;

CAFFEINE; CALIBRATION; COMMERCE; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; NEAR INFRARED SPECTROSCOPY; QUALITY CONTROL; VOLTAGE MEASUREMENT;

COFFEE;

CAFFEINE;

ARTICLE; CHEMISTRY; COFFEE; NEAR INFRARED SPECTROSCOPY; PLANT SEED; QUALITY CONTROL;

CAFFEINE; COFFEE; QUALITY CONTROL; SEEDS; SPECTROSCOPY, NEAR-INFRARED;

EID: 84887783158     PISSN: 00218561     EISSN: 15205118     Source Type: Journal    
DOI: 10.1021/jf4011388     Document Type: Article

References (30)

1. Downey, G.; Boussion, J. Authentication of coffee bean variety by near-infrared reflectance spectroscopy of dried extract J. Sci. Food Agric. 1996, 71, 41-49
2. Gous, P.; Martin, A.; Lawson, W.; Kelly, A.; Fox, G.; Sutherland, M. QTL associated with barley (Hordeum vulgare) feed quality traits measured through in situ digestion Euphytica 2012, 185, 37-45
3. Casal, S.; Oliveira, M.; Alves, M.; Ferreira, M. A. Discriminate analysis of roasted coffee varieties for trigonelline, nicotinic acid, and caffeine content J. Agric. Food Chem. 2000, 48, 3420-3424
4. Tripathi, S.; Mishra, H. A rapid FT-NIR method for estimation of aflatoxin B(1) in red chili powder Food Control 2009, 20, 840-846
5. Tallada, J.; Wicklow, D.; Pearson, T.; Armstrong, P. R. Detection of fungus-indected corn kernels using near-infrared reflectance spectroscopy and colour imaging Trans. ASABE 2011, 54, 1151-1158
6. McGoverin, C.; Engelbrecht, P.; Geladi, P.; Manley, M. Characterisation of non-viable whole barley, wheat and sorghum grains using near-infrared hyperspectral data and chemometrics Anal. Bioanal. Chem. 2011, 401, 2283-2289
7. Salgo, A.; Gergely, S.; Juhasz, R. Characterizing the maturation and germination processes in wheat by NIR methods. Using Cereal Science and Technology for the Benefit of Consumers. Proceedings of the 12th International ICC Cereal and Bread Congress, Harrogate, UK, May 23-26, 2004.
8. Ribeiro, J.; Ferreira, M.; Salva, T. Chemometric models for the quantitative descriptive sensory analysis of Arabica coffee beverages using near infrared spectroscopy Talanta 2011, 83, 1352-1358
9. Bertrand, B.; Etienne, H.; Lashermes, P.; Guyot, B.; Davrieux, F. Can near-infrared reflectance of green coffee be used to detect introgression in Coffea arabica cultivars? J. Sci. Food Agric. 2005, 85, 955-962
10. Santos, J.; Sarraguca, M.; Rangel, A.; Lopes, J. Evaluation of green coffee beans quality using near infrared spectroscopy: a quantitative approach Food Chem. 2012, 135, 1828-1835
11. Posada, H.; Ferrand, M.; Davrieux, F.; Lashermes, P.; Bertrand, B. Near infrared spectral signature and their stability across environments. 22nd International Conference on Coffee Science, ASIC 2008, Campinas, SP, Brazil, Sept 14-19, 2008.
12. Delwiche, S. Measurement of single-kernel wheat hardness using near-Infrared transmittance Trans. ASAE 1993, 36, 1431-1437
13. Delwiche, S. Single wheat kernel analysis by near-infrared transmittance protein content Cereal Chem. 1995, 72, 11-16
14. Angelino, S.; VanLaarhoven, H.; VanWesterop, J.; Broekhuijse, B.; Mocking, H. Total nitrogen content in single kernel malting barley samples J. Inst. Brew. 1997, 103, 41-46
15. Home, S.; Wilhelmson, A.; Tammisola, J.; Husman, J. Natural variation among barley kernels J. Am. Soc. Brew. Chem. 1997, 55, 47-51
16. Dowell, F. Automated color classification of single wheat kernels using visible and near-infrared reflectance Cereal Chem. 1998, 75, 142-144
17. Delwiche, S.; Hruschka, W. Protein content of bulk wheat from near-infrared reflectance of individual kernels Cereal Chem. 2000, 77, 86-88
18. Jiang, H.; Zhu, Y.; Wei, L.; Dai, J.; Song, T.; Yan, Y.; Chen, S. Analysis of protein, starch and oil content of single intact kernels by near infrared reflectance spectroscopy (NIRS) in maize (Zea mays L.) Plant Breed. 2007, 126, 492-497
19. Pearson, T.; Brabec, D.; Dogan, H. Improved discrimination of soft and hard white wheat using SKCS and imaging parameters Sensing Instrum. Food Qual. Saf. 2009, 89-99
20. Tallada, J.; Palacios-Rojas, N.; Armstrong, P. Prediction of maize seed attributes using a rapid single kernel near infrared instrument J. Cereal Sci. 2009, 50, 381-387
21. Fox, G.; Sweeney, N.; Hocroft, D. Development of a single kernel NIR barley protein calibration and assessment of variation in protein on grain quality J. Inst. Brew. 2011, 117, 582-586
22. Peiris, K.; Dowell, F. Determining weight and moisture properties of sound and Fusarium -damaged single wheat kernels by near-infrared spectroscopy Cereal Chem. 2011, 88, 45-50
23. Williams, P.; Geladi, P.; Fox, G.; Manley, M. Maize kernel hardness classification by near infrared (NIR) hyperspectral imaging and multivariate data analysis Anal. Chim. Acta 2009, 653, 121-130
24. Williams, P.; Manley, M.; Fox, G.; Geladi, P. Indirect detection of Fusarium verticillioides in maize (Zea mays L.) kernels by near infrared hyperspectral imaging J. Near Infrared Spec. 2010, 18, 49-58
25. Bonnlander, B.; Lonzarich, V.; Liverani, F. S. Caffeine determination in single beans by LC-MS/MS DAD. 21st International Conference on Coffee Science, Montpellier, France, Sept 11-15, 2006.
26. Baumann, T.; Sondahl, M.; Waldhauser, S.; Kretschmar, J. Non-destructive analysis of natural variability in bean caffeine content of Laurina coffee Phytochemistry 1998, 49, 1569-1573
27. Reid, D.; Guthrie, J. Comparing two competing calibrations for a given data set using Fearn's criteria. Version 2.0 NIR Spectrum 2004, 2, 7
28. Williams, P.; Sobering, D. Comparison of commercial near infrared transmittance and reflectance instruments for analysis of whole grains and seeds J. Near Infrared Spectrosc. 1993, 1, 25-32
29. Esteban-Diez, I.; Gonzalez-Saiz, J.; Pizarro, C. Prediction of roasting colour and other quality parameters of roasted coffee samples by near infrared spectroscopy. A feasibility study J. Near Infrared Spectrosc. 2004, 12, 287-297
30. Fox, G. P.; O'Donnell, N. H.; Stewart, P. N.; Gleadow, R. M. Estimating hydrogen cyanide in forage sorghum (Sorghum bicolor) by near-infrared spectroscopy J. Agric. Food Chem. 2012, 60, 6183-6187