Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 539140
Title Robust detection methodology of milk heat treatment in cheese based on volatile profile fingerprinting
Author(s) Alewijn, Martin; Wehrens, Ron; Ruth, Saskia M. van
Source International Dairy Journal 85 (2018). - ISSN 0958-6946 - p. 211 - 218.
Department(s) VLAG
BU Authenticity & Bioassays
BIOS Applied Metabolic Systems
Mathematical and Statistical Methods - Biometris
Food Quality and Design
Publication type Refereed Article in a scientific journal
Publication year 2018

The aim of the study was to develop an approach to discriminate whether cheese is produced from raw or heat-treated milk. The method was based on multivariate discrimination of volatile organic compounds in the cheeses’ headspace. Although the method was developed to detect issues with food authenticity for a Dutch traditional speciality guaranteed-protected cheese, this principle is likely to be applicable to detect heat-treatment in milk in other raw-milk cheese types. The multivariate classification method was aimed to be robust, employing an ensemble classification, based on six independent classification algorithms that require little or no tuning. The method was validated using a recently developed validation protocol designed for multivariate classification methods with a large validation set that was gathered separately from the training set. Based on the method's “worst-case”-classification performance, an overall 88% correct classification is expected.

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