Orcein, also archil, orchil, lacmus and C.I. Natural Red 28, are names for dyes extracted from several species of lichen, commonly known as "orchella weeds", found in various parts of the …

地衣染料是由地衣植物中提取可用色素而成的 天然染料。 属天然染料，如冰岛衣、脐衣、梅花衣等可作天然染料。 地衣红 （orcein）：从地衣中抽提的染色剂，主要成分为苔黑酚。 弱酸 …

Nov 1, 2019 · Orchil is a purple dye extracted from lichens, widely used since at least the Roman era [1]. Throughout its recorded history it was cited in countless recipes; it was a stock …

Nov 18, 2024 · orchil (countable and uncountable, plural orchils) Any of several lichens, especially those of the genera Roccella and Lecanora. The purple dye, orcein, extracted from them …

Orchil, a violet dye obtained from some lichens by fermentation. It is also the term for any lichen that yields orchil (Roccella, Lecanora, Ochrolechin, and Evernia) and refers to any colour …

orchil，英语单词，主要用作名词，作名词时译为“红色染料；苔色素；石蕊地衣； [染料] 紫色地衣染料”。

Orcein, also archil, orchil, lacmus and C.I. Natural Red 28, are names for dyes extracted from several species of lichen, commonly known as “orchella weeds”, found in various parts of the …

Sep 17, 2013 · To start at the beginning, orchil (pronounced or-kil) comes from lichens. It has been used for millennia to dye wool and silk a purple colour. There is some confusion over …

Shepherd Textiles Orchil Natural Dye contains dried lichens from the genus gyrophora, which grows on exposed rock faces. Gyrophora lichens were once known as “orchella weeds,” one …

ORCHIL 释义: any of various lichens , esp any of the genera Roccella, Dendrographa, and Lecanora | 意思、发音、翻译及示例