hydrogen acceptor

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Related to hydrogen acceptor: hydrogen donor


a substance that unites with another substance.
hydrogen acceptor the molecule accepting hydrogen in an oxidation-reduction reaction.

hy·dro·gen car·ri·er

a molecule that, in conjunction with a tissue enzyme system, carries hydrogen from one metabolite (oxidant) to another (reductant) or to molecular oxygen to form H2O.
Synonym(s): hydrogen acceptor

hydrogen acceptor

any substance (e.g. CYTOCHROME OXIDASE) that can become reduced by the addition of hydrogen, thus enabling the transfer and release of energy as in the ELECTRON TRANSPORT SYSTEM.