natural dye

nat·u·ral dye

(na'chŭr-ăl dī)
Dye obtained from animals or plants.
References in periodicals archive ?
We enjoy using this beautiful plant for natural dye and tinctures.
amplexicaule had a potential as natural dye for food and fabric.
Tenders are invited for certain repair works to the existing natural dye paint production unit, tspcb, at pjtsau, rajendranagar.
Keywords: ecofriendly, natural dye, leather, mordants, plant bark
It is comprised of an effective amount of natural dye substances; and optionally one or more excipients.
23] when used vinegar as a natural dye in staining of some tapeworm specimens and other parasite's eggs, or for staining different microorganisms such as fungi [24] vinegar kept their shape and their internal structure also provide a safe alternatives to carcinogenic chemicals used in usual staining techniques, because it usually used in human nutrition [25].
But several are discovering the magic of butterfly pea powder, a natural dye derived from the flowers of the butterfly pea plant.
Summary: A natural dye extracted from the roots of alkanet (Alkanna tinctoria) was applied on cotton fabric by pad-steam dyeing technique.
4] Hematoxylin, which is obtained from the Mexican tree Haematoxylon campechianum, is an example of a natural dye that is widely used in histology and histochemistry, while eosin is a synthetic dye also used in histology.
In contrast, natural dye plants are not toxic and some grow aggressively without herbicides or fungicides; many are weeds that thrive in roadside ditches.
There's been a huge rise in interest over the last two or three years,'' said Sasha Duerr, author of ''The Handbook of Natural Plant Dyes'' (Timber Press, 2011), who teaches natural dye techniques and has founded the Permacouture Institute, which promotes sustainable textiles.
For example, Kraft announced that it will substitute a natural dye for the Yellows #5 and #6 in its macaroni and cheese products targeted at children, although their regular macaroni and cheese will not change.

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