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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 52, Iss. 3 — Mar. 1, 1998
  • pp: 329–338

Identification of Modified Starches Using Infrared Spectroscopy and Artificial Neural Network Processing

Ludmila Dolmatova, Cyril Ruckebusch, Nathalie Dupuy, Jean-Pierre Huvenne, and Pierre Legrand

Applied Spectroscopy, Vol. 52, Issue 3, pp. 329-338 (1998)


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Abstract

The authentication of food is a very important issue both for the consumers and for the food industry with respect to all levels of the food chain from raw materials to finished products. Corn starch can be used in a wide variety of food preparation as bakery cream fillings, sauce, or dry mixes. There are many modifications of the corn starch in connection with its use in the agrofood industry. This paper describes a novel approach to the classification of modified starches and the recognition of their modifications by artificial neural network (ANN) processing of attenuated total reflection Fourier transform spectroscopy (ATR/FT-IR) spectra. Using the self-organizing artificial neural network of the Kohonen type, we can obtain natural groupings of similarly modified samples on a two-dimensional plane. Such mapping provides the expert with the possibility of analyzing the distribution of samples and predicting modifications of unknown samples by using their relative position with respect to existing clusters. On the basis of the available information in the infrared spectra, a feedforward artificial neural network, trained with the intensities of the derivative infrared spectra as input and the starch modifications as output, allows the user to identify modified starches presented as prediction samples.

Citation
Ludmila Dolmatova, Cyril Ruckebusch, Nathalie Dupuy, Jean-Pierre Huvenne, and Pierre Legrand, "Identification of Modified Starches Using Infrared Spectroscopy and Artificial Neural Network Processing," Appl. Spectrosc. 52, 329-338 (1998)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-52-3-329

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