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Multivariate statistical analyses applied to NIR spectroscopy and digital image analyses for food products

Grant number: 19/06846-5
Support type:Scholarships in Brazil - Master
Effective date (Start): June 01, 2019
Effective date (End): January 31, 2021
Field of knowledge:Agronomical Sciences - Food Science and Technology - Food Engineering
Principal researcher:Douglas Fernandes Barbin
Grantee:Maria Lucimar da Silva Medeiros
Home Institution: Faculdade de Engenharia de Alimentos (FEA). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:15/24351-2 - Applications of image analyses and NIR spectroscopy for quality assessment and authentication of food products, AP.JP


The current work plan proposes the application of chemometric methods and multivariate analysis applied to near infrared (NIR) spectral information and digital images (RGB) for classification and authentication of processed food products. The samples will be characterized for composition and physical-chemical attributes such as color and pH. Digital images and spectral information will be obtained using portable equipment for further analysis. The most relevant wavelengths in spectral measurements will be identified for use in simplified predictive models. This step allows the development of other techniques, such as spectral imaging, as potential applications in the form of process analytical technologies (PAT) in the food industry. Similarly, parameters obtained from the digital images will be used as predictors for the identification of samples. This work will be developed within a Young Researcher Project, which proposal is to develop innovative methods as process analytical technologies in the food industry. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CRUZ-TIRADO, J. P.; DA SILVA MEDEIROS, MARIA LUCIMAR; BARBIN, DOUGLAS FERNANDES. On-line monitoring of egg freshness using a portable NIR spectrometer in tandem with machine learning. Journal of Food Engineering, v. 306, OCT 2021. Web of Science Citations: 7.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MEDEIROS, Maria Lucimar da Silva. Application of Near Infrared spectroscopy and hyperspectral imaging to quantify the oil content and classify Brassica seeds. 2021. 88 f. Master's Dissertation - Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia de Alimentos.

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