auxogluc

plural auxoglucs

1. obsoletechemistryThe part of a molecule that imparts sweetness to the substance

   Early structure-taste theories attempted to identify certain common structural features of tastants and to attribute a specific taste to these […] Altogether six glucophores and nine auxoglucs were defined.

   2012, Trevor H. Grenby, Advances in Sweeteners, page 4

   1 more example

   Instead of attributing the sweet taste of a given compound to one factor, the glucogene (Cohn) or glucophor, as we prefer to call it, we maintain that it is due to two distinct factors, a glucophore and an auxogluc. Any glucophore will form a sweet compound with any auxogluc.

   1919 June, Ernest Oertley, Rollin G. Meyers, “A New Theory Relating Constitution to Taste”, in Journal of the America Chemical Society, volume 41, number 6, page 855