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Food coloring. A variety of food colorings, added to beakers of water. Food coloring, color additive or colorant is any dye, pigment, or substance that imparts color when it is added to food or beverages. Colorants can be supplied as liquids, powders, gels, or pastes. Food coloring is commonly used in commercial products and in domestic cooking ...
The dark markings on both birds are due to the black pigment eumelanin. Biological pigments, also known simply as pigments or biochromes, [ 1] are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments.
Extracellular polymeric substance matrix formation in a biofilm. Extracellular polymeric substances ( EPSs) are natural polymers of high molecular weight secreted by microorganisms into their environment. [ 1] EPSs establish the functional and structural integrity of biofilms, and are considered the fundamental component that determines the ...
β-Carotene ( beta -carotene) is an organic, strongly colored red-orange pigment abundant in fungi, [ 7] plants, and fruits. It is a member of the carotenes, which are terpenoids (isoprenoids), synthesized biochemically from eight isoprene units and thus having 40 carbons .
Biomedical. It is used in histology for staining collagen; [2] for that purpose it is a standard dye in North America. In Masson's trichrome, it is used as a counterstain to acid fuchsin. It is a component of Papanicolaou stains together with eosin Y and bismarck brown Y. [1] In pap smears, Light Green SF confers a blue staining for the ...
Butter. Solid and melted butter. Butter is a dairy product made from the fat and protein components of churned cream. It is a semi-solid emulsion at room temperature, consisting of approximately 80% butterfat. It is used at room temperature as a spread, melted as a condiment, and used as a fat in baking, sauce -making, pan frying, and other ...
Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area. [ 1] Phytogeography is the branch of biogeography that studies the ...
Hearing of a case of head lice is enough to give anyone the heebie-jeebies, but the thought of eating lice is really enough to make the skin crawl -- yet unknown to most people, we do that almost ...