Study of the Phenolic Profile of Cider Apple Cultivars at Maturity by Multivariate Techniques | Zendy

J. J. Mangas | Zendy; Roberto Rodríguez Madrera | Zendy; Belén Suárez Valles | Zendy; Anna Picinelli Lobo | Zendy; Enrique Dapena de la Fuente | Zendy

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Study of the Phenolic Profile of Cider Apple Cultivars at Maturity by Multivariate Techniques

Author(s) -

J. J. Mangas,

Roberto Rodríguez Madrera,

Belén Suárez Valles,

Anna Picinelli Lobo,

Enrique Dapena de la Fuente

Publication year - 1999

Publication title -

journal of agricultural and food chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.203

H-Index - 297

eISSN - 1520-5118

pISSN - 0021-8561

DOI - 10.1021/jf9903197

Subject(s) - cultivar , maturity (psychological) , multivariate statistics , horticulture , food science , multivariate analysis , biology , chemistry , botany , mathematics , statistics , psychology , developmental psychology

Phenolic compounds in 46 Spanish cider apple varieties were determined by RP-HPLC with direct injection. Several pattern recognition procedures, including principal component analysis (PCA), linear discriminant analysis (LDA), and partial least squares (PLS-1), were applied to the data in an attempt to classify the samples into bitter and nonbitter categories. Reliable decision rules were obtained by both LDA and PLS-1. LDA achieved 91.3 and 85.7% correct classification respectively, for internal and external evaluation of the model.

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