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Authentication of animal fats using direct analysis in real time (DART) ionization-mass spectrometry and chemometric tools

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22330%2F11%3A43892757" target="_blank" >RIV/60461373:22330/11:43892757 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1021/jf200734x" target="_blank" >http://dx.doi.org/10.1021/jf200734x</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/jf200734x" target="_blank" >10.1021/jf200734x</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Authentication of animal fats using direct analysis in real time (DART) ionization-mass spectrometry and chemometric tools

  • Original language description

    A combination of direct analysis in real time (DART) ionization coupled to time-of-flight mass spectrometry (TOFMS) and chemometrics was used for animal fat (lard and beef tallow) authentication. This novel instrumentation was employed for rapid profiling of triacylglycerols (TAGs) and polar compounds present in fat samples and their mixtures. Additionally, fat isolated from pork, beef, and pork/beef admixtures was analyzed. Mass spectral records were processed by principal component analysis (PCA) andstepwise linear discriminant analysis (LDA). DART-TOFMS profiles of TAGs were found to be more suitable for the purpose of discrimination among the examined fat types as compared to profiles of polar compounds. The LDA model developed using TAG data enabled not only reliable classification of samples representing neat fats but also detection of admixed lard and tallow at adulteration levels of 5 and 10% (w/w), respectively. The presented approach was also successfully applied to minced m

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    GM - Food industry

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Agricultural and Food Chemistry

  • ISSN

    0021-8561

  • e-ISSN

  • Volume of the periodical

    59

  • Issue of the periodical within the volume

    11

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

    5919-5926

  • UT code for WoS article

    000291074700018

  • EID of the result in the Scopus database