Fast and Reliable Determination of Virgin Olive Oil Quality by Fruit Inspection Using Computer Vision

The presence of minor compounds in virgin olive oils has been proven to play multiple positive roles in health protection, encouraging its production. The key factors that influence the oil quality are ripening stages and the state of health of the fruit. For this reason, at the oil mill’s reception...

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Detalles Bibliográficos
Autores: Navarro Soto, Javiera, Satorres Martínez, Silvia, Martínez Gila, Diego Manuel, Gómez Ortega, Juan, Gámez García, Javier
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2018
País:España
Institución:Universidad de Jaén
Repositorio:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
OAI Identifier:oai:ruja.ujaen.es:10953/2119
Acceso en línea:https://doi.org/10.3390/s18113826
https://www.mdpi.com/1424-8220/18/11/3826#
https://hdl.handle.net/10953/2119
Access Level:acceso abierto
Palabra clave:olive
fruit
olive oil
computer vision
olive oil production process
Descripción
Sumario:The presence of minor compounds in virgin olive oils has been proven to play multiple positive roles in health protection, encouraging its production. The key factors that influence the oil quality are ripening stages and the state of health of the fruit. For this reason, at the oil mill’s reception yard, fruits are visually inspected and separated according to their external appearance. In this way, the process parameters can be better adjusted to improve the quantity and/or quality of olive oil. This paper presents a proposal to automatically determine the oil quality before being produced from a previous inspection of the incoming fruits. Expert assessment of the fruit conditions guided the image processing. The proposal has been validated through the analysis of 74 batches of olives coming from an oil mill. Best correlation results between the image processing and the analytical data were found in the acidity index, peroxide values, ethyl ester, polyphenols, chlorophylls, and carotenoids.