precursor
Oxford Dictionary of Chemistry:
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precursor
A compound that leads to another compound in a series of chemical reactions.
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precursor
Wiley Dictionary of Flavors:
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Precursor
Components that will form other components under certain conditions. Amino acids and sugars, for instance, will yield Maillard pyrazines and other compounds when heated to appropriate temperatures, and under proper pH and moisture conditions in a food product. Amino acids can be considered precursors to brown notes.
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Oxford Dictionary of Chemistry
A Dictionary of Chemistry. Sixth Edition. Copyright © Market House Books Ltd, 2008. All rights reserved.
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