The Use of Non‐destructive Techniques to Assess the Nutritional Content of Fruits and Vegetables

Amodio, María Luisa; Chaudhry, Muhammad Mudassir Arif; Colelli, G.

doi:10.1002/9781119158042.ch34

Cited by 1 publication

(1 citation statement)

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“…It also has the advantage of being a non-destructive technique that allows for the entire production to be analysed [15,16]. This technique correlates spectroscopy and imaging, providing information about the chemical properties of a material and their spatial distribution [17] to identify [18], quantify and classify small details of the object under investigation, as well as internal physical and chemical properties of the same object [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Optimisation of an Industrial Optical Sorter of Legumes for Gluten-Free Production Using Hyperspectral Imaging Techniques

Romaniello,

Barrasso,

Perone

et al. 2024

Foods

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The market demand for gluten-free food is increasing due to the growing gluten sensitivity and coeliac disease (CD) in the population. The market requires grass-free cereals to produce gluten-free food. This requires sorting methods that guarantee the perfect separation of gluten contaminants from the legumes. The objective of the research was the development of an optical sorting system based on hyperspectral image processing, capable of identifying the spectral characteristics of the products under investigation to obtain a statistical classifier capable of enabling the total elimination of contaminants. The construction of the statistical classifier yielded excellent results, with a 100% correct classification rate of the contaminants. Tests conducted subsequently on an industrial optical sorter validated the result of the preliminary tests. In fact, the application of the developed classifier was able to correctly select the contaminants from the mass of legumes with a correct classification percentage of 100%. A small proportion of legumes was misclassified as contaminants, but this did not affect the scope of the work. Further studies will aim to reduce even this small share of waste with investigations into optimising the seed transport systems of the optical sorter.

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