Biological pigments, also known simply as pigments or biochromes, are substances produced by living organisms that have a color resulting from selective...

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

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

(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...

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

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...

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...

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

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

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

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...

production of light-protective pigments, however in Synechocystis and Agrobacterium the biological function of these pigments is still unknown. In 2005, the...

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

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...

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...

(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...

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...

A chromoprotein is a conjugated protein that contains a pigmented prosthetic group (or cofactor). A common example is haemoglobin, which contains a heme...

class metabolites. We can diversify three main classes of anthocyanin pigments: cyaniding type (two hydroxyl groups in the B-ring) responsible for red...

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...

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

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

step of photosynthesis whereby light energy is absorbed by chlorophyll pigments attached to proteins in the thylakoid membranes. The absorbed light energy...

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

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

and storing pigments and other important chemical compounds used by the cells of autotrophic eukaryotes. Some contain biological pigments such as used...

Phototropins are photoreceptor proteins (more specifically, flavoproteins) that mediate phototropism responses in various species of algae, fungi and higher...

phosphate conditions, pigmented strains have been shown to grow to a higher density than unpigmented strains. The ability of pigmented strains of Serratia...

Neuromelanin (NM) is a dark pigment found in the brain which is structurally related to melanin. It is a polymer of 5,6-dihydroxyindole monomers. Neuromelanin...