Evaluation of macro and micronutrient elements content from soft drinks using principal component analysis and Kohonen self-organizing maps.
Food Chem
; 273: 9-14, 2019 Feb 01.
Article
em En
| MEDLINE
| ID: mdl-30292380
This study approaches the determination of nine elements from Brazilian carbonated soft drinks of several flavors and manufactures using inductively coupled plasma optical emission spectrometry (ICP OES). The concentrations of the elements varied as follows: (in µgâ¯L-1: Cu: 4.00-78.0; Fe: 74.0-506; Mn: 20.0-66.0; Zn: 104-584) and (in mgâ¯L-1: Ca: 4.81-16.2; K: 6.73-260; Na: 26.0-175; S: 1.43-5.41; P: 0.186-219). Principal component analysis has shown some tendencies to form two groups according to the drink flavor (orange and cola), but only cola presented a clear and complete separation. Using Kohonen maps, it was observed a tendency to form three flavor groups: (i) cola, (ii) orange and lemon, and (iii) guarana. However, this last tool proved to be more accurate in the groups' formation.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Análise Espectral
/
Bebidas Gaseificadas
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Micronutrientes
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Análise de Alimentos
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Food Chem
Ano de publicação:
2019
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Reino Unido