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1. The dried and powdered root of Rubia tinctorum (family Rubiaceae); it contains several glycosides that produce the red dyes alizarin and purpurin on fermentation. When madder (or alizarin) is fed to young animals, the calcium in newly deposited bone salt, hydroxyapatite, is stained red.
2. Any dye obtained from plants of the madder family (Rubiaceae).
Synonym(s): Turkey red
[A.S. maedere]


Root of the plant Rubia tinctorum, a source of the red dye alizarin.

madder (maˑ·dr),

n Latin name:
Rubia tinctorum; part used: roots; uses: kidney stones, paralysis, menstrual problems, jaundice; precautions: pregnancy, lactation, children; possible hepatotoxicity. Also called
dyer's madder, garance, krapp, madder root, or
References in periodicals archive ?
A ribbon-cutting celebration was held at OUC's Gardenia Campus near John Young Boulevard in Orlando at the end of October.
I had to take a look for myself and went to visit Vaseloff's gardenia.
In addition, the research indicated that gardenia raised on Minami-Daito Island contains more active ingredients that promote the generation of glutathione.
mainland, you may soon be able to buy a potted gardenia or gardenia corsage shipped fresh from lush, tropical plant nurseries of the Hawaiian Islands.
Included are Citrus (such as Pink Lemonade, with "a blast of lemony cool wrapped around a sugary slice of lemon peel twist"); Decadent (Dulce Leche, "fresh creamy milk notes mingle with warm caramel"); Floral (Gardenia, "the exotic aroma of wild gardenias captured inside a sun-kissed bar"); Fruity (Georgia Peach, "a sweet juicy peach picked at the peak of ripeness"); Fresh and Clean (Forbidden Fig, "a distinctive green fig aroma flirting with lily, tuberose, ylang ylang, and jasmine"); Herbaceous (Chili Fest, "herbal notes and juicy green fruits mix with just a hint of violet and exotic woods"); and Oriental (Bay Soap, "a blend of sandalwood and musk complemented with gentle florals").
With Madolyn Smith Osborne, Vincent Gardenia, Ruben Blades, Stacey Travis, Carole Shelley, Paul Benjamin, Kenny Blank, Beatrice Winde, Bhubhesi Bodibe and Abdoulaye N'Gom 1991 vvv
The Gardenia, California-based company will integrate IBM's 340Mb microdrive miniature hard drive into future AutoPC products.
Neal Communities' model, the Gardenia in Whitebridge Court, won both "Best Single-Family Attached Home" and "Best Affordable Empty-Nester/Retiree Home.
Because it is generally ten degrees warmer right inside a window than it is outdoors, place your hardier plants nearest the window during a mild winter and warmer exotics, such as gardenia, a foot or two back from the edge.
Nationally-known interior design firm brings style and functionality to new Gardenia model in Tipton Lakes community
Contract Awarded for Construction of Gardenia Residence.
com)-- Established from humble beginnings in 2007, Gardenia Organic has grown into an award winning floral design studio.