Abstract

This study evaluated the ability of near infrared (NIR) spectrosocopy for the assessment of sensory texture properties of steam-cooked potatoes. The texture of steam-cooked potatoes from three cultivars, classified according to tuber size and dry matter content, was sensory evaluated after one, three and six months of storage. The sensory data were analysed using principal component analysis (PCA). PCA revealed that the first two principal components explained 95% or more of the variance between the data. The first principal component was dominated by the descriptors mealy and crumbly on the positive side and the descriptor waxy on the negative side. The descriptor firm had a high positive loading on the second principal component. For the same potato samples, NIR spectra were measured. A quantitative model based on partial least squares regression (PLS), relating NIR spectral data of fresh potato samples with sensory perceived texture attributes of same samples, has been developed. Among the sensory parameters, moist, waxy, firm and mealy were best predicted, with standard errors of calibration (SEC) ranging from 7.4 to 10.5 and correlation coefficients (Rc) between 0.89 and 0.94.

© 1998 NIR Publications

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  1. W.G. Burton, , (1989) The Potato , 3rd ed.Longman Scientific & Technical, New York.
  2. G. Böhler and F. Escher, and J. Solms, , Lebbensmittel-Wissenschaft und Technologie  19, 338 (1986).
  3. M. Freeman and M.C. Jarvis, and H.G. Duncan, , Potato Research  35, 103 (1992).
  4. J.T. van Marle, R. van der Vuurst de Vries, and E.C. Wilkinson, and D. Yuksel, , Potato Research  40, 79 (1997).
  5. M.C. Jarvis, , and H.J. Duncan, , Potato Research  35, 83 (1992).
  6. J.T. van Marle, C. van Dijk, and A.G.J. Voragen, and E.S.A. Biekman, , Potato Research  37, 183 (1994).
  7. D.C. Davis, and K.H. Leung, , Transactions of the ASAE  30, 554 (1987).
  8. D.R. McComber and E.M. Osman, and R.A. Lohnes, , J. Food Sci.  53, 1423 (1988).
  9. M.C. Bourne, , Food Technol.  32, 62 (1978).
  10. C. Boeriu and T. Stolle, and C. van Dijk, , unpublished results.
  11. M.G. Scanlon and L.R. Adam, and M.K. Pritchard, , “NIR analyis of dry matter and sugars in whole potato tubers”, in Proceedings from the Sensors for nondestructive testing International Conference.  Orlando, Florida, February 18–21, 1997, pp. 88–100 (1997).

1997 (1)

J.T. van Marle, R. van der Vuurst de Vries, and E.C. Wilkinson, and D. Yuksel, , Potato Research  40, 79 (1997).

J.T. van Marle, R. van der Vuurst de Vries, and E.C. Wilkinson, and D. Yuksel, , Potato Research  40, 79 (1997).

1994 (1)

J.T. van Marle, C. van Dijk, and A.G.J. Voragen, and E.S.A. Biekman, , Potato Research  37, 183 (1994).

J.T. van Marle, C. van Dijk, and A.G.J. Voragen, and E.S.A. Biekman, , Potato Research  37, 183 (1994).

1992 (2)

M.C. Jarvis, , and H.J. Duncan, , Potato Research  35, 83 (1992).

M.C. Jarvis, , and H.J. Duncan, , Potato Research  35, 83 (1992).

M. Freeman and M.C. Jarvis, and H.G. Duncan, , Potato Research  35, 103 (1992).

M. Freeman and M.C. Jarvis, and H.G. Duncan, , Potato Research  35, 103 (1992).

1988 (1)

D.R. McComber and E.M. Osman, and R.A. Lohnes, , J. Food Sci.  53, 1423 (1988).

D.R. McComber and E.M. Osman, and R.A. Lohnes, , J. Food Sci.  53, 1423 (1988).

1987 (1)

D.C. Davis, and K.H. Leung, , Transactions of the ASAE  30, 554 (1987).

D.C. Davis, and K.H. Leung, , Transactions of the ASAE  30, 554 (1987).

1986 (1)

G. Böhler and F. Escher, and J. Solms, , Lebbensmittel-Wissenschaft und Technologie  19, 338 (1986).

G. Böhler and F. Escher, and J. Solms, , Lebbensmittel-Wissenschaft und Technologie  19, 338 (1986).

1978 (1)

M.C. Bourne, , Food Technol.  32, 62 (1978).

Adam, L.R.

M.G. Scanlon and L.R. Adam, and M.K. Pritchard, , “NIR analyis of dry matter and sugars in whole potato tubers”, in Proceedings from the Sensors for nondestructive testing International Conference.  Orlando, Florida, February 18–21, 1997, pp. 88–100 (1997).

Biekman, E.S.A.

J.T. van Marle, C. van Dijk, and A.G.J. Voragen, and E.S.A. Biekman, , Potato Research  37, 183 (1994).

Boeriu, C.

C. Boeriu and T. Stolle, and C. van Dijk, , unpublished results.

Böhler, G.

G. Böhler and F. Escher, and J. Solms, , Lebbensmittel-Wissenschaft und Technologie  19, 338 (1986).

Bourne, M.C.

M.C. Bourne, , Food Technol.  32, 62 (1978).

Burton, W.G.

W.G. Burton, , (1989) The Potato , 3rd ed.Longman Scientific & Technical, New York.

Davis, D.C.

D.C. Davis, and K.H. Leung, , Transactions of the ASAE  30, 554 (1987).

Duncan, H.G.

M. Freeman and M.C. Jarvis, and H.G. Duncan, , Potato Research  35, 103 (1992).

Duncan, H.J.

M.C. Jarvis, , and H.J. Duncan, , Potato Research  35, 83 (1992).

Escher, F.

G. Böhler and F. Escher, and J. Solms, , Lebbensmittel-Wissenschaft und Technologie  19, 338 (1986).

Freeman, M.

M. Freeman and M.C. Jarvis, and H.G. Duncan, , Potato Research  35, 103 (1992).

Jarvis, M.C.

M. Freeman and M.C. Jarvis, and H.G. Duncan, , Potato Research  35, 103 (1992).

M.C. Jarvis, , and H.J. Duncan, , Potato Research  35, 83 (1992).

Leung, K.H.

D.C. Davis, and K.H. Leung, , Transactions of the ASAE  30, 554 (1987).

Lohnes, R.A.

D.R. McComber and E.M. Osman, and R.A. Lohnes, , J. Food Sci.  53, 1423 (1988).

McComber, D.R.

D.R. McComber and E.M. Osman, and R.A. Lohnes, , J. Food Sci.  53, 1423 (1988).

Osman, E.M.

D.R. McComber and E.M. Osman, and R.A. Lohnes, , J. Food Sci.  53, 1423 (1988).

Pritchard, M.K.

M.G. Scanlon and L.R. Adam, and M.K. Pritchard, , “NIR analyis of dry matter and sugars in whole potato tubers”, in Proceedings from the Sensors for nondestructive testing International Conference.  Orlando, Florida, February 18–21, 1997, pp. 88–100 (1997).

Scanlon, M.G.

M.G. Scanlon and L.R. Adam, and M.K. Pritchard, , “NIR analyis of dry matter and sugars in whole potato tubers”, in Proceedings from the Sensors for nondestructive testing International Conference.  Orlando, Florida, February 18–21, 1997, pp. 88–100 (1997).

Solms, J.

G. Böhler and F. Escher, and J. Solms, , Lebbensmittel-Wissenschaft und Technologie  19, 338 (1986).

Stolle, T.

C. Boeriu and T. Stolle, and C. van Dijk, , unpublished results.

van der Vuurst de Vries, R.

J.T. van Marle, R. van der Vuurst de Vries, and E.C. Wilkinson, and D. Yuksel, , Potato Research  40, 79 (1997).

van Dijk, C.

J.T. van Marle, C. van Dijk, and A.G.J. Voragen, and E.S.A. Biekman, , Potato Research  37, 183 (1994).

C. Boeriu and T. Stolle, and C. van Dijk, , unpublished results.

van Marle, J.T.

J.T. van Marle, R. van der Vuurst de Vries, and E.C. Wilkinson, and D. Yuksel, , Potato Research  40, 79 (1997).

J.T. van Marle, C. van Dijk, and A.G.J. Voragen, and E.S.A. Biekman, , Potato Research  37, 183 (1994).

Voragen, A.G.J.

J.T. van Marle, C. van Dijk, and A.G.J. Voragen, and E.S.A. Biekman, , Potato Research  37, 183 (1994).

Wilkinson, E.C.

J.T. van Marle, R. van der Vuurst de Vries, and E.C. Wilkinson, and D. Yuksel, , Potato Research  40, 79 (1997).

Yuksel, D.

J.T. van Marle, R. van der Vuurst de Vries, and E.C. Wilkinson, and D. Yuksel, , Potato Research  40, 79 (1997).

Food Technol. (1)

M.C. Bourne, , Food Technol.  32, 62 (1978).

J. Food Sci. (1)

D.R. McComber and E.M. Osman, and R.A. Lohnes, , J. Food Sci.  53, 1423 (1988).

Lebbensmittel-Wissenschaft und Technologie (1)

G. Böhler and F. Escher, and J. Solms, , Lebbensmittel-Wissenschaft und Technologie  19, 338 (1986).

Potato Research (4)

M. Freeman and M.C. Jarvis, and H.G. Duncan, , Potato Research  35, 103 (1992).

J.T. van Marle, R. van der Vuurst de Vries, and E.C. Wilkinson, and D. Yuksel, , Potato Research  40, 79 (1997).

M.C. Jarvis, , and H.J. Duncan, , Potato Research  35, 83 (1992).

J.T. van Marle, C. van Dijk, and A.G.J. Voragen, and E.S.A. Biekman, , Potato Research  37, 183 (1994).

Transactions of the ASAE (1)

D.C. Davis, and K.H. Leung, , Transactions of the ASAE  30, 554 (1987).

Other (3)

W.G. Burton, , (1989) The Potato , 3rd ed.Longman Scientific & Technical, New York.

C. Boeriu and T. Stolle, and C. van Dijk, , unpublished results.

M.G. Scanlon and L.R. Adam, and M.K. Pritchard, , “NIR analyis of dry matter and sugars in whole potato tubers”, in Proceedings from the Sensors for nondestructive testing International Conference.  Orlando, Florida, February 18–21, 1997, pp. 88–100 (1997).

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