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Fatty acid profile of table olives and its multivariate characterization using unsupervised (PCA) and supervised (DA) chemometrics.
J Agric Food Chem. 2006 Sep 06; 54(18):6747-53.JA

Abstract

The fatty acid composition of 67 commercial presentations of table olives was determined. The most abundant fatty acids, in decreasing order of presence, were C18:1, C16:0, C18:2 n-6, and C18:0. The ranges, expressed as grams of fatty acids per 100 g of edible portion, for the different nutritional fractions were as follows: saturated fatty acids, 2.07-5.99; monounsaturated fatty acids, 5.67-19.42; polyunsaturated fatty acids, 0.52-3.87; and trans-fatty acids, 0.08-0.44. Principal component analysis of the matrix of the fatty acid composition led to the deduction of new factors. The first accounted for 55.10% of the total variance and was mainly related to C16:10, C18:0, C20:0, C22:0, C24:0, C18:1, C18:1t, and C20:1. The second factor accounted for 10.33% of variance and was related to C16:1 and C18:2 n-6. They did not permit differentiation among elaboration types or cultivars. However, discriminant analysis was successfully applied for this objective. The fatty acids that most contributed to discriminate among elaboration styles were C17:1, C18:1, C16:0, C17:0, and C18:0 (function 1) and C17:0, C17:1, C20:0, C16:0, C18:1, and C24:0 (function 2). In the case of cultivars, they were C20:0, C18:1, C17:1, C18:2 n-6, C18:1t, and C18:2t (function 1); C18:2 n-6, C18:1, C16:0, C20:0, C18:0, and C18:2t (function 2); and C17:0, C18:3 n-3, and C17:1 (function 3). Results from this study have shown differences among the fatty acid composition and fat content of the diverse commercial presentations of table olives, which can be applied in predictive and classification discriminant analysis.

Authors+Show Affiliations

López A
Food Biotechnology Department, Instituto de la Grasa (CSIC), Avenida Padre García Tejero 4, Seville, Spain.
Montaño A
No affiliation info available
García P
No affiliation info available
Garrido A
No affiliation info available

MeSH

Analysis of VarianceDietary FatsFatty AcidsFruitNutritive ValueOleaSpecies Specificity

Pub Type(s)

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

Language

eng

PubMed ID

16939335

Citation

López, Antonio, et al. "Fatty Acid Profile of Table Olives and Its Multivariate Characterization Using Unsupervised (PCA) and Supervised (DA) Chemometrics." Journal of Agricultural and Food Chemistry, vol. 54, no. 18, 2006, pp. 6747-53.
López A, Montaño A, García P, et al. Fatty acid profile of table olives and its multivariate characterization using unsupervised (PCA) and supervised (DA) chemometrics. J Agric Food Chem. 2006;54(18):6747-53.
López, A., Montaño, A., García, P., & Garrido, A. (2006). Fatty acid profile of table olives and its multivariate characterization using unsupervised (PCA) and supervised (DA) chemometrics. Journal of Agricultural and Food Chemistry, 54(18), 6747-53.
López A, et al. Fatty Acid Profile of Table Olives and Its Multivariate Characterization Using Unsupervised (PCA) and Supervised (DA) Chemometrics. J Agric Food Chem. 2006 Sep 6;54(18):6747-53. PubMed PMID: 16939335.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Fatty acid profile of table olives and its multivariate characterization using unsupervised (PCA) and supervised (DA) chemometrics. AU - López,Antonio, AU - Montaño,Alfredo, AU - García,Pedro, AU - Garrido,Antonio, PY - 2006/8/31/pubmed PY - 2006/10/21/medline PY - 2006/8/31/entrez SP - 6747 EP - 53 JF - Journal of agricultural and food chemistry JO - J Agric Food Chem VL - 54 IS - 18 N2 - The fatty acid composition of 67 commercial presentations of table olives was determined. The most abundant fatty acids, in decreasing order of presence, were C18:1, C16:0, C18:2 n-6, and C18:0. The ranges, expressed as grams of fatty acids per 100 g of edible portion, for the different nutritional fractions were as follows: saturated fatty acids, 2.07-5.99; monounsaturated fatty acids, 5.67-19.42; polyunsaturated fatty acids, 0.52-3.87; and trans-fatty acids, 0.08-0.44. Principal component analysis of the matrix of the fatty acid composition led to the deduction of new factors. The first accounted for 55.10% of the total variance and was mainly related to C16:10, C18:0, C20:0, C22:0, C24:0, C18:1, C18:1t, and C20:1. The second factor accounted for 10.33% of variance and was related to C16:1 and C18:2 n-6. They did not permit differentiation among elaboration types or cultivars. However, discriminant analysis was successfully applied for this objective. The fatty acids that most contributed to discriminate among elaboration styles were C17:1, C18:1, C16:0, C17:0, and C18:0 (function 1) and C17:0, C17:1, C20:0, C16:0, C18:1, and C24:0 (function 2). In the case of cultivars, they were C20:0, C18:1, C17:1, C18:2 n-6, C18:1t, and C18:2t (function 1); C18:2 n-6, C18:1, C16:0, C20:0, C18:0, and C18:2t (function 2); and C17:0, C18:3 n-3, and C17:1 (function 3). Results from this study have shown differences among the fatty acid composition and fat content of the diverse commercial presentations of table olives, which can be applied in predictive and classification discriminant analysis. SN - 0021-8561 UR - https://www.unboundmedicine.com/medline/citation/16939335/Fatty_acid_profile_of_table_olives_and_its_multivariate_characterization_using_unsupervised__PCA__and_supervised__DA__chemometrics_ L2 - https://doi.org/10.1021/jf0612474 DB - PRIME DP - Unbound Medicine ER -