INVESTIGATION OF THE APPLICABILITY OF SPME-GC/MS TECHNIQUE AND PRINCIPAL COMPONENT ANALYSIS IN THE EVALUATION OF A VOLATILE FRACTION OF BLUE-VEINED CHEESES

Anna Berezińska; Anna Bzducha; Mieczysław W. Obiedziński

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News New IMPACT FACTOR Volume 70 Authors' Index Volume 70 Reviewers' Index Dietary recommendations during the COVID-19 pandemic. Statement of the Committee of Human Nutrition Science of the Polish Academy of Sciences Our new CiteScore2020 from SCOPUS June 2021 Issue has just been published September 2021 issue has just been released Volume 71's Reviewers Index Our new Impact Factor and Cite Score Our new CiteScore2022 from SCOPUS September 2023 issue has just been published December 2023 issue has just been published March 2024 issue has just been published Volume 73's Reviewers Index June 2024 issue has just been published September 2024 issue has just been published December 2024 issue is now available on-line

Special issue 4A/2007 vol. 57

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INVESTIGATION OF THE APPLICABILITY OF SPME-GC/MS TECHNIQUE AND PRINCIPAL COMPONENT ANALYSIS IN THE EVALUATION OF A VOLATILE FRACTION OF BLUE-VEINED CHEESES

Anna Berezińska

Anna Bzducha

Mieczysław W. Obiedziński

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Publication date: 2007-12-31

Pol. J. Food Nutr. Sci. 2007;57(Special issue 4A):7-11

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PCA

ABSTRACT

An object of the research were five blue-veined cheeses purchased at local supermarkets. Additionally, a cheese being a combination of a blue-type and another rennet coagulated cheese was evaluated. Extraction of the volatile components was performed by means of SPME in the headspace mode (HS-SPME) and followed by GC/MS separation and identification of the compounds isolated. Then, PCA was applied to the data obtained. The dimensionality of the data set was reduced from 27 volatiles to only four principal components (PCs), which accounted for about 93% of the total variance and allowed the classification of the samples studied.

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W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.