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In a metabolic sequence of reactions, a compound that gives rise to the next compound: for example, choline is the precursor for the neurotransmitter acetyicholine
출처: www.addiction-rehabilitation.com/glossary.html
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| precursor |
In photochemistry, a compound antecedent to a pollutant. For example, volatile organic com- pounds (VOCs) and nitric oxides of nitrogen react in sunlight to form ozone or other photochemical oxidants. As such, VOCs and oxides of nitrogen are precursors.
출처: www.waterquality.de/hydrobio.hw/PTERMS.HTM
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| precursor |
A substance used by the body to form another compound.
출처: www.enzy.com/glossary/searchresults.asp
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| precursor |
A substance that is converted into or used to form an active compound, such as vitamin, hormone or enzyme. Beta carotene is a precursor of vitamin A.
출처: www.nutrilite.com/english/public/GeneralInfo/Gloss...
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| precursor |
The chemical element that changes due to enzymatic or physical pressure.
출처: bse.airtime.co.uk/defb.htm
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