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 world.

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。 弱酸性，若以碱液（如碳酸钾）溶解呈紫色。 酒精溶液可以做为动物组织染色液。 作为 天然染料，地衣染料适用于 羊毛 等 动物纤维 的染色，至今在北欧一些国家还是作为家用染料的佳品。 其成品只能染动物性纤维，对于 棉织品 及 化学纤维 则完全无效。 被用做染料的地衣，早在2000年前的欧洲 …

2019年11月1日 · 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 ingredient in the dyehouses, used for dyeing parchments, yarns and textiles, often for imparting a bloom or freshness to dyed colour.

2024年11月18日 · 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 (especially Lecanora tartarea) and often used as substitute for Tyrian purple.

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 obtained from this

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 world.

2013年9月17日 · 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 ancient recipes for purple. It isn’t always possible to decipher …

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 of several varieties of lichen that produce a beautiful red and purple dye known as orchil.

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