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Principal component analysis of biogenic amines and polyphenols in Hungarian wines.
J Agric Food Chem. 2002 Jun 19; 50(13):3768-74.JA

Abstract

Biogenic amines, polyphenols, and resveratrol were analyzed quantitatively in 25 different Hungarian wines from the same wine-making region, harvest of 1998. Polyphenols were determined according to a spectrophotometric method, whereas other substrates were analyzed using overpressured-layer chromatography (OPLC). Principal component analyses (PCA) were performed on data matrices consisting of substrates (columns) and different sorts of wines (rows) from the region of Pécs (southern Hungary). It was found that four (unrotated) principal components account for >80% of the total variance in the data. The plots of component loadings showed significant groupings for concentrations of biogenic amines (and polyphenols). Similarly, the component scores grouped according to the different sorts of wines. The loading plots reveal that there is no need to measure all of the variables to achieve the same characterization. It is enough to measure one variable per group. Naturally, this conclusion is valid only within the limits of the present study; wines from other regions may behave differently.

Authors+Show Affiliations

Department of Biochemistry and Food Technology, Budapest University of Technology and Economics, P.O. Box 91, Hungary.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

12059158

Citation

Csomós, Elemér, et al. "Principal Component Analysis of Biogenic Amines and Polyphenols in Hungarian Wines." Journal of Agricultural and Food Chemistry, vol. 50, no. 13, 2002, pp. 3768-74.
Csomós E, Héberger K, Simon-Sarkadi L. Principal component analysis of biogenic amines and polyphenols in Hungarian wines. J Agric Food Chem. 2002;50(13):3768-74.
Csomós, E., Héberger, K., & Simon-Sarkadi, L. (2002). Principal component analysis of biogenic amines and polyphenols in Hungarian wines. Journal of Agricultural and Food Chemistry, 50(13), 3768-74.
Csomós E, Héberger K, Simon-Sarkadi L. Principal Component Analysis of Biogenic Amines and Polyphenols in Hungarian Wines. J Agric Food Chem. 2002 Jun 19;50(13):3768-74. PubMed PMID: 12059158.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Principal component analysis of biogenic amines and polyphenols in Hungarian wines. AU - Csomós,Elemér, AU - Héberger,Károly, AU - Simon-Sarkadi,Livia, PY - 2002/6/13/pubmed PY - 2002/7/26/medline PY - 2002/6/13/entrez SP - 3768 EP - 74 JF - Journal of agricultural and food chemistry JO - J. Agric. Food Chem. VL - 50 IS - 13 N2 - Biogenic amines, polyphenols, and resveratrol were analyzed quantitatively in 25 different Hungarian wines from the same wine-making region, harvest of 1998. Polyphenols were determined according to a spectrophotometric method, whereas other substrates were analyzed using overpressured-layer chromatography (OPLC). Principal component analyses (PCA) were performed on data matrices consisting of substrates (columns) and different sorts of wines (rows) from the region of Pécs (southern Hungary). It was found that four (unrotated) principal components account for >80% of the total variance in the data. The plots of component loadings showed significant groupings for concentrations of biogenic amines (and polyphenols). Similarly, the component scores grouped according to the different sorts of wines. The loading plots reveal that there is no need to measure all of the variables to achieve the same characterization. It is enough to measure one variable per group. Naturally, this conclusion is valid only within the limits of the present study; wines from other regions may behave differently. SN - 0021-8561 UR - https://www.unboundmedicine.com/medline/citation/12059158/Principal_component_analysis_of_biogenic_amines_and_polyphenols_in_Hungarian_wines_ L2 - https://dx.doi.org/10.1021/jf011699a DB - PRIME DP - Unbound Medicine ER -