Quantification of adulterations in extra virgin flaxseed oil using MIR and PLS

被引：22

作者：

de Souza, Leticia Maria ^{[1
]}

de Santana, Felipe Bachion ^{[1
]}

Gontijo, Lucas Caixeta ^{[1
,2
]}

Mazivila, Sarmento Junior ^{[1
,3
]}

Borges Neto, Waldomiro ^{[1
]}

机构：

[1] Univ Fed Uberlandia, Inst Chem, BR-38408100 Uberlandia, MG, Brazil

[2] Goiano Fed Inst Educ Sci & Technol, BR-75790000 Urutai, Go, Brazil

[3] Josina Machel Secondary Sch Belane, Vilankulo, Inhambane, Mozambique

来源：

FOOD CHEMISTRY | 2015年 / 182卷

关键词：

Extra virgin flaxseed oil; Adulteration of edible oils; Infrared spectroscopy; PLS; Analytical validation; NEAR-INFRARED SPECTROSCOPY; MULTIVARIATE CALIBRATION; CARDIOVASCULAR-DISEASE; OUTLIER DETECTION; CONTROLLED-TRIAL; BREAST-CANCER; EDIBLE OILS; QUALITY; METASTASIS; VALIDATION;

D O I：

10.1016/j.foodchem.2015.02.081

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

This paper proposes a new method for the quantitative analysis of soybean oil (SO) and sunflower oil (SFO) as adulterants in extra virgin flaxseed oil (EFO) by applying Mid Infrared Spectroscopy (MIR) associated with chemometric technique of Partial Least Squares (PLS). The PIS models were built in accordance with standard method ASTM El 655-05 and these showed good correlation between thereference values and those calculated using the PLS models with low error values, with R = 0.998 for SFO and R = 0.999 for SO in EFO. These models were validated analytically in accordance with Brazilian and international guidelines through the estimate of figures of merit parameters, thus showing an effective and feasible method to control the quality of extra virgin flaxseed oil. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：35 / 40

页数：6

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