A biological pigment, also known simply as a pigment or biochrome, is a substance produced by living organisms that have a color resulting from selective...

A pigment is a powder used to add or alter color or change visual appearance. Pigments are completely or nearly insoluble and chemically unreactive in...

(kuáneos/kuanoûs) 'dark blue'), also called anthocyans, are water-soluble vacuolar pigments that, depending on their pH, may appear red, purple, blue, or black. In...

Crustacyanin is a carotenoprotein biological pigment found in the exoskeleton of lobsters and blue crabs and responsible for their blue colour. β-Crustacyanin...

lake – is a pigment of a bright-red color obtained from the aluminium complex derived from carminic acid. Specific code names for the pigment include natural...

that are not absorbed by the pigment, but instead are reflected. Biological pigments include plant pigments and flower pigments. Animals can appear coloured...

the petals are slightly pink due to the effect of anthocyanin, a biological pigment, and the petals are sometimes dark pink due to exposure to low temperature...

A respiratory pigment is a metalloprotein that serves a variety of important functions, its main being O2 transport. Other functions performed include...

been in continuous use since ancient times as varnish, medicine, incense, pigment, and dye. A great degree of confusion existed for the ancients in regard...

Bilirubin is structurally similar to the pigment phycobilin used by certain algae to capture light energy, and to the pigment phytochrome used by plants to sense...

Turacoverdin is a unique copper uroporphyrin pigment responsible for the bright green coloration of several birds of the family Musophagidae, most notably...

norepinephrine (noradrenaline), and epinephrine (adrenaline), and the biological pigment melanin. It is encoded by the messenger RNA codons UUU and UUC. Phenylalanine...

Turacin is a naturally occurring red pigment that is 6% copper complexed to uroporphyrin III. Arthur Herbert Church discovered turacin in 1869. It is...

Phototropins are blue light photoreceptor proteins (more specifically, flavoproteins) that mediate phototropism responses across many species of algae...

Ommochrome (or filtering pigment) refers to several biological pigments that occur in the eyes of crustaceans and insects. The eye color is determined...

Hematochrome is a yellow, orange, or (most commonly) red biological pigment present in some green algae, especially when exposed to intense light. It is...

production of light-protective pigments, however in Synechocystis and Agrobacterium the biological function of these pigments is still unknown.[citation needed]...

A photosynthetic pigment (accessory pigment; chloroplast pigment; antenna pigment) is a pigment that is present in chloroplasts or photosynthetic bacteria...

responsible for visual perception, but also melanopsin and others. Biological pigment Epstein, R.J. (2003). Human Molecular Biology: An Introduction to...

efficient co-pigments are flavonols like rutin or quercetin and phenolic acids like sinapic acid or ferulic acid. Association of co-pigment with anthocyanin...

R. (2001-04-13). "Blue Light Sensing in Higher Plants *". Journal of Biological Chemistry. 276 (15): 11457–11460. doi:10.1074/jbc.R100004200. ISSN 0021-9258...

Bilins, bilanes or bile pigments are biological pigments formed in many organisms as a metabolic product of certain porphyrins. Bilin (also called bilichrome)...

molecular formula C8H7NO2. It is an intermediate in the production of the biological pigment eumelanin. 5,6-Dihydroxyindole is biosynthesized from L-dopachrome...

Hypericin is a carbopolycyclic compound derived from bisanthene with antidepressant properties, found in various Hypericum species, and is being studied...

green bile) is a green tetrapyrrolic bile pigment, and is a product of heme catabolism. It is the pigment responsible for a greenish color sometimes...

resulting in a yellow-brown color.[citation needed] Betanin is a betalain pigment, together with isobetanin and other betacyanins. Betanin is usually obtained...

the material to which it is being applied. This distinguishes dyes from pigments which do not chemically bind to the material they color. Dye is generally...

(also known as madder) is a red paint made from the pigment madder lake, a traditional lake pigment extracted from the common madder plant Rubia tinctorum...

Phenolphthalein details. Biological pigment Chromatophore Fluorophore Litmus Pharmacophore Photophore, glandular organ Pigment Spectroscopy Visual phototransduction...

Oneirodes, also tied some species of birds-of-paradise as having the darkest pigment in any animal, reflecting only 0.044% of the light that hit it. This ultra-black...