Purplish dye obtained from lichens also called cudbear?
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Orcein C.I. Natural Red 28 orchil archil lacmus
Orcein
Purplish dye obtained from lichens also called cudbear?
Orcein Ethnolichenology Natural dye Glossary of dyeing terms Purple Traditional dyes of the Scottish Highlands Violet (color) Lichen Dye Edward Schunck
Orcein, <b>also</b> archil, orchil, lacmus and C.I. Natural Red 28, are names for <b>dyes</b> 
<b>extracted</b> from several species of <b>lichen</b>, commonly <b>known as</b> &quot;orchella weeds&quot;,&nbsp;... The same <b>dye</b> was <b>also produced</b> from Ochrolechia spp. <b>lichens</b> in Britain and 
was <b>called cudbear</b>. Both Roccella spp. and Ochrolechia spp. contain the <b>lichen</b>
&nbsp;... Natural <b>dyes</b> are <b>dyes</b> or colorants <b>derived</b> from plants, invertebrates, or minerals. 
The majority ... In Malaysia and Laos, a red to <b>purple dye</b> is <b>produced</b> from the 
root of the Indian mulberry (Morinda tinctoria). ... Scottish <b>lichen dyes</b> include 
<b>cudbear</b> (<b>also called</b> archil in England and litmus in the Netherlands), and crottle. <b>Cudbear is</b> a <b>purple dye</b> from the <b>lichen</b> Roccella tinctoria which <b>also</b> produces 
archil and litmus. <b>Cudbear is</b> one of the few natural <b>dyes</b> to be credited to a 
<b>named</b>&nbsp;... The most famous <b>purple dye</b> in the ancient world was Tyrian <b>purple</b>, made from a 
type of sea snail <b>called</b> the murex, found around the Mediterranean. ... <b>Cudbear</b> 
<b>is</b> a <b>dye extracted</b> from orchil <b>lichens</b> that can be used to&nbsp;... Traditional <b>dyes</b> of the Scottish Highlands are the native vegetable <b>dyes</b> used in 
Scottish ... The Latin names are given where known and <b>also</b> the Scottish Gaelic 
names for ... Many of the <b>dyes</b> are made from <b>lichens</b>, the useful ones for this 
purpose being <b>known as</b> crottle. ... A very fine red <b>is obtained</b> from this. ... <b>Purple</b>-
red. <b>Violet</b> is the <b>color</b> at the end of the visible spectrum of light between blue and the 
invisible ultraviolet. <b>Violet color</b> has a dominant wavelength of approximately 380
–450 nanometers. Light with a shorter wavelength than <b>violet</b> but longer than X-
rays and gamma rays <b>is called</b> ultraviolet. ... <b>Cudbear</b> is a <b>dye extracted</b> from 
orchil <b>lichens</b> that can be used to <b>dye</b> wool&nbsp;... A <b>lichen is</b> a composite organism that arises from algae or cyanobacteria living ... 
and have had economic importance as <b>dyes</b> such as <b>cudbear</b> or primitive ... 
acidic or basic) in the litmus test <b>is</b> a <b>dye extracted</b> from the <b>lichen</b> ... are <b>lichens</b> 
belonging to the family Roccellaceae, commonly <b>called</b>&nbsp;... A <b>dye</b> is a coloured substance that chemically bonds to the substrate to which it is 
being ... The majority of natural <b>dyes</b> are <b>derived</b> from plant sources: roots, 
berries, bark, leaves, wood, fungi and <b>lichens</b>. ... This form is often colorless, in 
which case it <b>is referred to as</b> a Leuco <b>dye</b>, and has an affinity for the textile fibre. This <b>is</b> very near to the currently accepted formula of C14H4N4O12 which was 
<b>obtained</b> by Mulder a few years later. <b>Dye</b>-producing <b>lichen</b>[edit]. The <b>purple</b> from
&nbsp;...
archil
Orcein