2019
DOI: 10.21577/0100-4042.20170337
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Chemometric Tools and Ftir-Atr Spectroscopy Applied in Milk Adulterated With Cheese Whey

Abstract: Brazilian law forbids the addition of cheese whey in milk. However, adulteration with cheese whey is one of the most applied fraud due to its low cost. The detection of this fraud is the quantification of Caseinomacropeptide (CMP). The CMP is a constituent of the whey that can be used as adulteration marker. Thus, an analytical method capable of identifying CMP by Fourier Transform Infrared Spectra (FTIR) was developed using chemometrics methods. Firstly, we attempted to develop an exploratory analysis model b… Show more

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Cited by 5 publications
(8 citation statements)
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“…HCA helped them to find the more appropriate number of clusters which was used later in the classification of the samples. Vinciguerra et al [38] used HCA as an exploratory treatment on the pre-processed measurements obtained by FTIR-ATR. By using both the Euclidean distance and Ward's method, a dendrogram was generated, however no pattern related to the caseinomacropeptide concentration was observed in the dendrogram, and multivariate regression was followed.…”
Section: Clusteringmentioning
confidence: 99%
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“…HCA helped them to find the more appropriate number of clusters which was used later in the classification of the samples. Vinciguerra et al [38] used HCA as an exploratory treatment on the pre-processed measurements obtained by FTIR-ATR. By using both the Euclidean distance and Ward's method, a dendrogram was generated, however no pattern related to the caseinomacropeptide concentration was observed in the dendrogram, and multivariate regression was followed.…”
Section: Clusteringmentioning
confidence: 99%
“…It was used by Delatour et al [99] on data collected from eight different NIR and MIR miniature sensors to measure the amount of semicarbazide hydrochloride, ammonium sulfate, and cornstarch in skimmed milk powder [96]. Another different use of PLS regression, synergy interval PLS (siPLS) [100], has been used by Vinciguerra et al to quantify cheese whey in cow's milk samples through MIR spectroscopy [38]. In this method, the MIR spectra were divided into different intervals (8, 16, 32, 64, and 128) with the same number of variables, applying a PLS on each interval.…”
Section: Regressionmentioning
confidence: 99%
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“…While the fraud executed in powdered milk raises the manufacturer's profitability, it lowers the nutritional value of the food. This occurs due to the reduced protein and fat levels, apart from inducing changes in the product in terms of the technological properties (VINCIGUERRA et al, 2019).…”
Section: Alves Et Almentioning
confidence: 99%
“…However, other adulterants are harmful because they cause serious adverse health effects such as the addition of urea, formaldehyde, detergents, ammonium sulfate, boric acid, benzoic acid, salicylic acid, hydrogen peroxide, sugars and melamine [ 68 , 70 ]. A recent study [ 71 ] suggested the use of FTIR associated with chemometrics to quantify the cheese whey added in milk, which can be used as a marker of adulteration. Although the use of cheese whey in some products is allowed, particularly in Brazil, it is often used as adulterant for pasteurized, Ultra High-Temperature Pasteurized and dry milk.…”
Section: Application Of Ft-mir To Food Analysismentioning
confidence: 99%