| 释义 |
Orcin
Or´cin
| n. | 1. | (Chem.) A colorless crystalline substance, C6H3.CH3.(OH)2, which is obtained from certain lichens (Roccella, Lecanora, etc.), also from extract of aloes, and artificially from certain derivatives of toluene. It changes readily into orcein. |
orcin
orcin[′ȯr·sən] (organic chemistry) CH3C6H3(OH)2·H2O White crystals with strong, sweet, unpleasant taste; soluble in water, alcohol, and ether; extracted from lichens; used in medicine and as an analytical reagent. orcin
or·cin·ol (ōr'sin-ol), Parent substance of the natural dye orcein, obtained from certain colorless lichens (Lecanora tinctoria, Rocella tinctoria) by treatment with boiling water; used as an external antiseptic in various skin diseases and in chemistry as a reagent for pentoses. Synonym(s): 5-methylresorcinol, orcinorcin, orcinol (or′sĭn) (-ol″) A chemical derived from lichens and used as a histological stain. CAS # 504-15-4 |