Look and bring any food product label. Paste your chosen food product label
on the box. Group all the substances according to their set of properties of an
elements and compounds. *Please use extra sheets if necessary.by
ELEMENTS
AND
COMPOUNDS
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Elements;
The element composition of sardine otoliths was similar to that of other marine fish. In all, eight elements (Li, Ba, Mg, Mn, Na, Sr, K, and Ca) were useful in discriminating between areas and/or size groups.
Compounds;
On the other hand, 33 other compounds were positively or tentatively identified, including 8 hydrocarbons, 5 ketones, 1 furan, 1 sulfur compound, 12 aldehydes, and 6 alcohols in fresh sardines. Among them, 2,3-pentanedione, hexanal, and 1-penten-3-ol were the main components.