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...ment]] generally is insoluble, and has no affinity for the substrate. Some dyes can be [[Precipitation (chemistry)|precipitated]] with an inert salt to pro ...] origin, with no or very little processing. By far the greatest source of dyes has been from the [[plant kingdom]], notably [[root]]s, [[berry|berries]],

...d ([[carthamin]]) and yellow dyes, especially before cheaper [[aniline]] [[dyes]] became available, and in medicines.<ref>Daniel Zohary and Maria Hopf, ''D ...tiles dated to the [[Twelfth dynasty of Egypt|Twelfth dynasty]] identified dyes made from safflower, and garlands made from safflowers were found in the to

[[Category:Natural dyes]]

...e high in anthocyanins. This has led to them being very useful as natural dyes and, since anthocyanins are powerful antioxidants, to a great deal of inter

...ce.wiley.com/cgi-bin/jabout/76509746/News.html] It is thought to work as a natural inhibitor of the [[cox-2]] enzyme, and has been shown effective in animal m ...urmeric is the [[polyphenol]] '''curcumin''', also known as C.I. 75300, or Natural Yellow 3. Systematic chemical name is <small>(1''E'',6''E'')-1,7-bis(4-hydr

...double lens is preferable. If the lens is of 8 inches focus, it will give natural size when placed equidistant between the object and the ground-glass focusi ...the slide is so colored as to show upon the screen the object or scene in natural hues. It is not difficult, with suitable knowledge and sufficient practice,

...neal production had declined again due to the scale insect having numerous natural enemies.<ref>Portillo M. & Vigueras G. (1988)</ref> ...cta]]'') were imported into [[Australia]] in the 19th century for use as a natural agricultural fence and in an attempt to establish a [[cochineal]] dye indus

...wounds in Russia in the mid-twentieth century. [[Orcein]] and other lichen dyes have largely been replaced by synthetic versions [http://waynesword.palomar ...e, D.M. (Editors) 1992. ''The Lichen Flora of Great Britain and Ireland.'' Natural History Museum, London.

...hair-wash from A. concinna; several are used as forage plants, others for dyes, and still others for fiber. Many of them have scented wood, others make fi ...pagating-house at any time throughout the year, though early spring is the natural time. For open ground, sow in March or April. After germination, the plants

...e extent of making productive land unviable or acts as an alien species in natural ecosystems. Ingestion by livestock can cause photosensitization, central ne

...vivid colors, and all colors of the spectrum can be achieved with mushroom dyes. Before the invention of synthetic [[dye]]s the mushrooms were the primary

...ts entirety, even from all the appendages, and sometimes remains in such a natural position where the insect left it as to easily deceive one into thinking th ...oyed in great numbers by bacterial and fungous diseases. In spite of these natural checks it is, however, usually necessary to resort to a spray or some other