Quelle est la longueur d’onde de l’indigo ?
L’indigo oxydé est bleu, donc il absorbe des radiations orangées, soit une longueur d’onde d’environ 600 nm.
Qui a découvert l’indigo ?
Vasco de Gama
C’est avec la découverte de la route des Indes au XVe siècle, par l’explorateur Vasco de Gama, que débutaient l’importation et l’utilisation à grande échelle de l’indigo en Europe.
What is the common name of Lactarius indigo?
- Lactarius indigo. Lactarius indigo, commonly known as the indigo milk cap, the indigo (or blue) lactarius, or the blue milk mushroom, is a species of agaric fungus in the family Russulaceae.
What is the chemical name of the pigment that gives Indigo its color?
- The blue color of L. indigo is due to (7-isopropenyl-4-methylazulen-1-yl)methyl stearate, an organic analogous to azulene, which is biosynthesised from a sesquiterpene very similar to matricin, the precursor for chamazulene. It is unique to this species, but similar to a compound found in L. deliciosus.
What is the size of a small Indigo mushroom?
- Fruit bodies of L. indigo have no distinguishable odor. L. indigo var. diminutivus (the « smaller indigo milk cap ») is a smaller variant of the mushroom, with a cap diameter between 3 and 7 cm (1.2 and 2.8 in), and a stem 1.5–4.0 cm (0.6–1.6 in) long and 0.3–1.0 cm (0.1–0.4 in) thick. It is often seen in Virginia.
What is the size of an indigo milk cap?
- diminutivus (the « smaller indigo milk cap ») is a smaller variant of the mushroom, with a cap diameter between 3 and 7 cm (1.2 and 2.8 in), and a stem 1.5–4.0 cm (0.6–1.6 in) long and 0.3–1.0 cm (0.1–0.4 in) thick.
