Definition of Roccella tinctoria. Meaning of Roccella tinctoria. Synonyms of Roccella tinctoria

Here you will find one or more explanations in English for the word Roccella tinctoria. Also in the bottom left of the page several parts of wikipedia pages related to the word Roccella tinctoria and, of course, Roccella tinctoria synonyms and on the right images related to the word Roccella tinctoria.

Definition of Roccella tinctoria

Roccella tinctoria
Litmus Lit"mus, n. [D. lakmoes; lak lacker + moes a thick preparation of fruit, pap, prob. akin to E. meat: cf. G. lackmus. See Lac a resinous substance.] (Chem.) A dyestuff extracted from certain lichens (Roccella tinctoria, Lecanora tartarea, etc.), as a blue amorphous mass which consists of a compound of the alkaline carbonates with certain coloring matters related to orcin and orcein. Note: Litmus is used as a dye, and being turned red by acids and restored to its blue color by alkalies, is a common indicator or test for acidity and alkalinity. Litmus paper (Chem.), unsized paper saturated with blue or red litmus, -- used in testing for acids or alkalies.
Roccella tinctoria
Roccellic Roc*cel"lic, a. [F. roccellique, fr. roccelle archil, It. & NL. roccella, fr. It. rocca a rock, because archil grows on rock.] (Chem.) Pertaining to, or designating, a dibasic acid of the oxalic series found in archil (Roccella tinctoria, etc.), and other lichens, and extracted as a white crystalline substance C17H32O4.
Roccella tinctoria
Archil Ar"chil (?; 277), n. [OF. orchel, orcheil, It. orcella, oricello, or OSp. orchillo. Cf. Orchil.] 1. A violet dye obtained from several species of lichen (Roccella tinctoria, etc.), which grow on maritime rocks in the Canary and Cape Verd Islands, etc. --Tomlinson. 2. The plant from which the dye is obtained. [Written also orchal and orchil.]

Meaning of Roccella tinctoria from wikipedia

- Roccella tinctoria is a lichenised species of fungus in the genus Roccella, homotypic synonym of Lecanora tinctoria (DC.) Czerwiak., 1849. It was first...
- muni****lity in Calabria, Italy The lichen genus Roccella, known for the species Roccella tinctoria among others Roccellaria This disambiguation page...
- such species as Roccella tinctoria (South American), Roccella fuciformis (Angola and Madagascar), Roccella pygmaea (Algeria), Roccella phycopsis, Lecanora...
- (2000) – Galápagos Islands Roccella tinctoria DC. (1805) Roccella translucida Follmann & B.Werner (2001) "Synonymy: Roccella DC". Species Fungorum. Retrieved...
- formula CH3C6H3(OH)2. It occurs in many species of lichens including Roccella tinctoria and Lecanora. Orcinol has been detected in the "toxic glue" of the...
- Roccella phycopsis is a species of lichen in the family Roccellaceae. A study of Roccella phycopsis in Tunisia revealed that it contains methyl orcellinate...
- was made from a Mediterranean lichen called archil or dyer's moss (Roccella tinctoria), combined with an ammoniac, usually urine. Orcein began to achieve...
- was made from a Mediterranean lichen called archil or dyer's moss (Roccella tinctoria), combined with an ammoniac, usually urine. Orcein began to achieve...
- various parts of the world. A major source is the archil lichen, Roccella tinctoria. Orcinol is extracted from such lichens. It is then converted to orcein...
- its own governor. There has been speculation that the abundance of Roccella tinctoria on the Canary Islands offered a profit motive for Jean de Béthencourt...