Roccella tinctoria

roccella
Roccella tinctoria is a lichenised species of fungus in the genus Roccella, homotypic synonym of Lecanora tinctoria (DC.) Czerwiak., 1849.wikipedia
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Litmus

litmus paperlitmus testLitmus test (chemistry)
It is used to make litmus, a mixture of several organic compounds.
The dyes are extracted from such species as Roccella tinctoria (South America), Roccella fuciformis (Angola and Madagascar), Roccella pygmaea (Algeria), Roccella phycopsis, Lecanora tartarea (Norway, Sweden), Variolaria dealbata, Ochrolechia parella, Parmotrema tinctorum, and Parmelia.

Orcinol

Orcin
Orcinol, a natural phenolic organic compound, occurs in many species of lichens including ''R.
It occurs in many species of lichens including Roccella tinctoria and Lecanora.

Canary Islands

Canary IslandCanariesCanarian
There has been speculation that the abundance of roccella tinctoria on the Canary Islands offered a profit motive for Jean de Béthencourt during his conquest of the islands.
There has been speculation that the abundance of roccella tinctoria on the Canary Islands offered a profit motive for Jean de Béthencourt during his conquest of the islands.

Jean de Béthencourt

Jean de BethencourtBethencourtBéthencourt
There has been speculation that the abundance of roccella tinctoria on the Canary Islands offered a profit motive for Jean de Béthencourt during his conquest of the islands.
* Roccella tinctoria

Lichen

lichensphotobiontexciple
Orcinol, a natural phenolic organic compound, occurs in many species of lichens including ''R.
The pH indicator (indicated acidic or basic) in the litmus test is a dye extracted from the lichen Roccella tinctoria by boiling.

Roccella (lichen)

RoccellaRoccella fuciformisRoccella montagnei
* Roccella tinctoria

Grainville-la-Teinturière

Mautheville
The process of making this dye was a secret and lead to the wealth of the weavers of Grainville-la-Teinturière.

Fungus

Fungifungalnecrotrophic

Ascomycota

Orcein

orchilcudbeararchil
A major source is the archil lichen, Roccella tinctoria.

Blotting paper

blotterblotter paperblotting
Small squares of blotting paper attached to disposable plastic strips are impregnated with pH sensitive compounds usually extracted from lichens, especially Roccella tinctoria.

Brava, Cape Verde

Bravaisland of BravaBrava Island
Around 1720, the fungus Roccella tinctoria was discovered, which was traded as a textile dye.

Calheta, Azores

CalhetaCalheta (Azores)Vila da Calheta
Demonstrating an economic vitality (based on its vineyards, cereal crops, yams and the exploration of lichen roccella which was being exported to Flanders for use in the dye industry), it was elevated to the status of on 3 June 1534, by decree of King John III of Portugal.

Purple

purplishRoyal Purple purple
It was known to the ancient Greeks and Hebrews, and was made from a Mediterranean lichen called archil or dyer's moss (Roccella tinctoria), combined with an ammoniac, usually urine.

Santo Espírito

In the area of Malbusca, during the early settlement of the region, the colonists collected the fungus Roccella tinctoria which was exported to Flanders to produce woad, in an artisanal and risky process:

Violet (color)

violetPurplesDark violet
It was known to the ancient Greeks and Hebrews, was made from a Mediterranean lichen called archil or dyer's moss (Roccella tinctoria), combined with an ammoniac, usually urine.