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Purple cauliflower contains anthocyanins. Anthocyanins (from Ancient Greek ἄνθος (ánthos) 'flower', and κυάνεος / κυανοῦς (kuáneos/kuanoûs) 'dark blue'), also called anthocyans, are water-soluble vacuolar pigments that, depending on their pH, may appear red, purple, blue, or black. In 1835, the German pharmacist Ludwig ...
In common English usage, purple is a range of hues of color occurring between red and blue. [1] However, the meaning of the term purple is not well defined. There is confusion about the meaning of the terms purple and violet even among native speakers of English. [2] Many native speakers of English in the United States refer to the blue ...
The dark markings on both birds are due to the black pigment eumelanin. Biological pigments, also known simply as pigments or biochromes, [1] are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments.
Berry (botany) In botany, a berry is a fleshy fruit without a stone (pit) produced from a single flower containing one ovary. Berries so defined include grapes, currants, and tomatoes, as well as cucumbers, eggplants (aubergines), persimmons and bananas, but exclude certain fruits that meet the culinary definition of berries, such as ...
Definition. Phytochemicals are chemicals of plant origin. [1] Phytochemicals (from Greek phyto, meaning "plant") are chemicals produced by plants through primary or secondary metabolism. [2] [3] They generally have biological activity in the plant host and play a role in plant growth or defense against competitors, pathogens, or predators.
Fruit. Various fruits arranged at a stall at the Municipal Market of São Paulo. Fresh fruit mix of blackberries, strawberries, and raspberries. In botany, a fruit is the seed -bearing structure in flowering plants that is formed from the ovary after flowering (see Fruit anatomy ). Fruits are the means by which flowering plants (also known as ...
Carotenoids ( / kəˈrɒtɪnɔɪd /) are yellow, orange, and red organic pigments that are produced by plants and algae, as well as several bacteria, archaea, and fungi. [1] Carotenoids give the characteristic color to pumpkins, carrots, parsnips, corn, tomatoes, canaries, flamingos, salmon, lobster, shrimp, and daffodils.
The colored circles on food packages can come in a variety of colors in varying shades. Those colored shapes are called “printer’s color blocks” or “process control patches,” and they ...