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  2. Turnsole - Wikipedia

    en.wikipedia.org/wiki/Turnsole

    Turnsole, katasol, or folium was a dyestuff prepared from the annual plant Chrozophora tinctoria. History ... "Food Coloring Agents" AAAS 2020 article

  3. Natural dye - Wikipedia

    en.wikipedia.org/wiki/Natural_dye

    Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. The majority of natural dyes are vegetable dyes from plant sources—roots, berries, bark, leaves, and wood—and other biological sources such as fungi. [1] Archaeologists have found evidence of textile dyeing dating back to the Neolithic period.

  4. D.D. Williamson - Wikipedia

    en.wikipedia.org/wiki/D.D._Williamson

    Beverages containing naturally derived food coloring. In 2013, DD Williamson acquired Dupont's Danisco line of natural coloring in yellow, orange and brown hues. [6] In April 2003, an explosion at the Louisville plant exploded killing one operator and releasing 26,000 pounds of aqua ammonia. [7]

  5. Hyoscyamus niger - Wikipedia

    en.wikipedia.org/wiki/Hyoscyamus_niger

    The plant, recorded as Herba Apollinaris, was used to yield oracles by the priestesses of Apollo. [2] Recently evidence for its use in the earlier British Neolithic has been debated. [ 13 ] John Gerard 's Herball states: "The leaves, the seeds and the juice, when taken internally cause an unquiet sleep, like unto the sleep of drunkenness, which ...

  6. Floral color change - Wikipedia

    en.wikipedia.org/wiki/Floral_color_change

    The first written record of the term floral color change was in 1877 when Charles Darwin (12 February 1809 – 19 April 1882) forwarded a letter from his colleague, naturalist Fritz Müller (31 March 1821 – 21 May 1897) to the British multidisciplinary science journal, Nature.

  7. Biological pigment - Wikipedia

    en.wikipedia.org/wiki/Biological_pigment

    Chlorophyll is the primary pigment in plants; it is a chlorin that absorbs blue and red wavelengths of light while reflecting a majority of green. It is the presence and relative abundance of chlorophyll that gives plants their green color. All land plants and green algae possess two forms of this pigment: chlorophyll a and chlorophyll b.

  8. Variegation - Wikipedia

    en.wikipedia.org/wiki/Variegation

    Variegation of fruits and wood in Ficus carica 'Panascè', a bicolor (yellow-green) common fig cultivar. This Italian cultivar is a chimera.. Chimeric plants contain tissues with more than one genotype.

  9. Cladophora - Wikipedia

    en.wikipedia.org/wiki/Cladophora

    Cladophora coloring is bright green which reflects the chlorophyll a, and chlorophyll b, which are similar to higher plant ratios and that also contains β-carotene and xanthophylls. [3] The thallus branches are smaller than the main axis, dichotomous, rough in texture, and have narrow tips.

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