Characterization of wheat by four analytical parameters. A chemometric study

被引:16
作者
Armanino, C
Festa, MR
机构
[1] UNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,I-00185 ROME,ITALY
[2] IST ANAL & TECNOL FARMACEUT & ALIMENTARI,I-16147 GENOA,ITALY
关键词
wheat analysis; principal component analysis; classification analysis;
D O I
10.1016/0003-2670(96)00164-X
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The results of chemical analysis (ashes, humidity, fat and proteins) carried out on 195 samples of wheat of two different classes (Triticum durum and Triticum vulgare or Triticum aestivum), and from different geographical areas, variety and year of production, were evaluated by principal component analysis (PCA) and classification analysis. Patterns of samples of the same species, variety and from the same origin were displayed by principal component plots. By means of classification analysis, best results (classification and prediction abilities greater than or equal to 90%) were achieved by discriminating between the two species and origin, also the discrimination among varieties and years of harvesting was generally successful.
引用
收藏
页码:43 / 51
页数:9
相关论文
共 7 条
[1]  
Duda R. O., 1973, PATTERN CLASSIFICATI, V3
[2]  
Forina M., 1988, PARVUS EXTENDABLE PA
[3]  
Massart D.L., 1988, CHEMOMETRICS TXB
[4]  
MELOUN M, 1992, CHEMOMETRICS ANAL CH, V1, pCH5
[5]   CROSS-VALIDATORY CHOICE AND ASSESSMENT OF STATISTICAL PREDICTIONS [J].
STONE, M .
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES B-STATISTICAL METHODOLOGY, 1974, 36 (02) :111-147
[6]  
1994, GAZZETTA UFFICIALE
[7]  
1967, GAZZETTA UFFICIALE