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Natural Colorants: Food Colorants from Natural Sources

Annual Review of Food Science and Technology, 2017
The color of food is often associated with the flavor, safety, and nutritional value of the product. Synthetic food colorants have been used because of their high stability and low cost. However, consumer perception and demand have driven the replacement of synthetic colorants with naturally derived alternatives.
Gregory T, Sigurdson   +2 more
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Coloring of Natural Fluorites

Physica Status Solidi (a), 1979
The absorption spectra of natural, colored fluorites (CaF2) are analyzed and compared with the presence of chemical impurities such as rare-earth elements, yttrium, and sodium located within the fluorite structure. Mechanisms for charge compensation of monovalent and trivalent ions are shown to be provided by color centers and related substitutional or
Birsoy R., Murr L.E.
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Geometry and Color in Natural Images

Journal of Mathematical Imaging and Vision, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Vicent Caselles   +2 more
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Nature's Color Tricks

Scientific American, 2012
The author explores how an understanding of seven tactics used by animals to create colors may lead to the development of novel technologies. The author notes that scientists are beginning to have a fuller understanding of how highly-organized nanostructures in living organisms manipulate light, such as those responsible for colors in bird feathers ...
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Possibilities of color with the use of natural coloring applied in natural fibers

ENSUS2023 - XI Encontro de Sustentabilidade em Projeto, 2023
Chemical dyes applied to textiles in the textile processing stage bring serious damage to the environment and human beings involved in the processes. The use of natural dyes in place of chemicals brings benefits in the social and environmental spheres, since highly polluting toxic chemicals are not used in their processes. Despite the importance of its
Cristine Silva Santos   +4 more
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