Premium
Elemental composition of edible nuts: fast optimization and validation procedure of an ICP‐OES method
Author(s) -
Tošić Snežana B,
Mitić Snežana S,
Velimirović Dragan S,
Stojanović Gordana S,
Pavlović Aleksandra N,
PecevMarinković Emilija T
Publication year - 2014
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.6946
Subject(s) - juglans , brazil nut , pistacia , chemistry , myrtus communis , prunus dulcis , arachis hypogaea , inductively coupled plasma atomic emission spectroscopy , food science , nut , sophora , juglandaceae , prunus cerasus , horticulture , detection limit , botany , mathematics , inductively coupled plasma , sour cherry , chromatography , biology , cultivar , alternative medicine , essential oil , structural engineering , pathology , engineering , plasma , traditional chinese medicine , quantum mechanics , medicine , physics
BACKGROUND An inductively coupled plasma–optical emission spectrometry method for the speedy simultaneous detection of 19 elements in edible nuts (walnuts: Juglans nigra ; almonds: Prunus dulcis ; hazelnuts: Corylus avellana ; Brazil nuts: Bertholletia excelsa ; cashews: Anacardium occidentalle ; pistachios: Pistacia vera ; and peanuts: Arachis hypogaea ) available on the Serbian markets, was optimized and validated through the selection of instrumental parameters and analytical lines free from spectral interference and with the lowest matrix effects. RESULTS The analysed macro‐elements were present in the following descending order: Na > Mg > Ca > K. Of all the trace elements, the tested samples showed the highest content of Fe. The micro‐element Se was detected in all the samples of nuts. The toxic elements As, Cd and Pb were either not detected or the contents were below the limit of detection. One‐way analysis of variance, Student's t ‐test, Tukey's HSD post hoc test and hierarchical agglomerative cluster analysis were applied in the statistical analysis of the results. CONCLUSION Based on the detected content of analysed elements it can be concluded that nuts may be a good additional source of minerals as micronutrients. © 2014 Society of Chemical Industry