释义 |
rhi·zop·ter·in \rīˈzäptərə̇n\ noun (-s) Etymology: rhiz- + pterin : a pale yellow crystalline aldehydo amino acid C15H12N6O4 obtained in the fumaric acid fermentation by a black mold (Rhizopus nigricans) that promotes the growth of several streptococci : a formyl derivative of pteroic acid |