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orcein
orcein (ˈɔːsɪɪn) n (Elements & Compounds) a brown crystalline material formed by the action of ammonia on orcinol and present in orchil: used as a dye, biological stain, and antiseptic. Formula: C28H24O7N2[C19: see orcinol]EncyclopediaSeearchilorcein
orcein [or-se´in] a brownish-red coloring substance obtained from orcinol; used as a stain for elastic tissue.or·ce·in (ōr'sē-in), [old C.I. 1242] A natural dye derived from orcinol by treatment with air and ammonia; as a purple dye complex it is used in various histologic staining methods.or·ce·in (ōr'sē-in) A natural dye derived from orcinol that is used in various histologic staining methods. |