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Evaluation of macro and micronutrient elements content from soft drinks using principal component analysis and Kohonen self-organizing maps.

Abstract：

: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 µg L-1: Cu: 4.00-78.0; Fe: 74.0-506; Mn: 20.0-66.0; Zn: 104-584) and (in mg 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.

journal_name

Food Chem

journal_title

Food chemistry

authors

Silva EDS,da Silva EGP,Silva DDS,Novaes CG,Amorim FAC,Dos Santos MJS,Bezerra MA

doi

10.1016/j.foodchem.2018.06.021

subject

Has Abstract

pub_date

2019-02-01 00:00:00

pages

9-14

eissn

0308-8146

issn

1873-7072

pii

S0308-8146(18)30983-X

journal_volume

273

pub_type

杂志文章

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