释义 |
pro·to·catechualdehyde \|prōd.(ˌ)ō+| ̷ ̷ ̷ ̷ˌ ̷ ̷| ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun or pro·to·cat·e·chu·ic aldehyde \“+|kad.ə|chüik, -|shüik, -|kyüik-\ Etymology: protocatechualdehyde International Scientific Vocabulary protocatechuic acid + aldehyde : a crystalline compound C6H3(OH)2CHO which is synthetically prepared and the monomethyl ether of which is vanillin; 3,4-dihydroxy-benzaldehyde |