anthoxanthins
n. pl. [Gr. anthos, flower; xanthos, yellow]
Plant pigments (flavones) responsible for the ivory to yellow color of some true bugs and Lepidoptera; see anthocyanins.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • Anthoxanthin — Anthoxanthins are a type of flavonoid pigments in plants. Anthoxanthins are water soluble pigments which range in color from white or colorless to a creamy to yellow, often on petals of flowers. These pigments are generally whiter in an acid… …   Wikipedia

  • coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction       in biology,… …   Universalium

  • flavonoid — [flā′və noid΄] n. any of a large group of aromatic compounds occurring naturally, chiefly as pigments in higher plants, as anthocyanin * * * fla·vo·noid (flāʹvə noid ) n. Any of a large group of plant substances that includes the anthocyanins. *… …   Universalium

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  • Proanthocyanidin — Epicatechin (EC), one of the building blocks of proanthocyanidins Proanthocyanidins, also known as OPCs (oligomeric proanthocyanidins) or condensed tannins, are a subgroup of the flavonoid class of polyphenols. Essentially, they are oligomer… …   Wikipedia

  • anthocyanins — n. pl. [Gr. anthos, flower; kyanos, blue] Important plant pigments (flavones) that may contribute to the blue or red coloration of insects; see anthoxanthins …   Dictionary of invertebrate zoology

  • flavones — n. pl. [L. flavus, yellow] Plant pigments that can be incorporated into the tissues of insects which contribute to their coloration; see anthocyanins, anthoxanthins, carotene pigments …   Dictionary of invertebrate zoology

  • heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… …   Universalium

  • Caryophyllales — ▪ plant order Introduction   pink or carnation order of dicotyledonous flowering plants. The order includes 33 families, which contain more than 11,000 species in 692 genera. Nearly half of the families are very small, with less than a dozen… …   Universalium

  • flavonoids — 1. Substances of plant origin containing flavone in various combinations (anthoxanthins, apigenins, flavones, quercitins, etc.) and with varying biologic activities. 2. Derviatives of flavone …   Medical dictionary

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