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Viola sororia (/ v aɪ ˈ oʊ l ə s ə ˈ r ɔːr i ə / vy-OH-lə sə-ROR-ee-ə), [5] known commonly as the common blue violet, is a short-stemmed herbaceous perennial plant native to eastern North America. It is known by a number of common names, including common meadow violet, purple violet, woolly blue violet, hooded violet, and wood ...
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 ...
Viola is a genus of flowering plants in the violet family Violaceae. It is the largest genus in the family, containing over 680 species. Most species are found in the temperate Northern Hemisphere; however, some are also found in widely divergent areas such as Hawaii, Australasia, and the Andes. Some Viola species are perennial plants, some are ...
Isatis japonica Miq. Isatis tinctoria, also called woad ( / ˈwoʊd / ), dyer's woad, dyer's-weed, or glastum, is a flowering plant in the family Brassicaceae (the mustard family) with a documented history of use as a blue dye and medicinal plant. Its genus name, Isatis, derives from the ancient Greek word for the plant, ἰσάτις.
The drink is a typical local drink like chamomile tea is in other parts of the world. [18] The tea is found in both hot and cold varieties. [19] The flowers have more recently been used in a color-changing gin and absinthe. Blue in the bottle, it turns pink when mixed with a carbonated mixer such as tonic water due to the change in pH. [20]
Butterfly pea flower tea gains its distinctive tint from the deep blue color of the petals that has made the plant a popular dye for centuries. One of the aspects of the tea is the fact that the liquid changes color based on the pH level of the substance added to it, for instance, adding lemon juice to the tea will turn it purple.
Color of chemicals. The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical. The study of chemical structure by means of energy absorption and release is generally referred to as spectroscopy .
Latin carpus < Greek καρπός (karpós), wrist; NOTE: This root should not be confused with the mirror root carp(o)- meaning fruit. carpal, carpopedal spasm, metacarpal cata-down, under Greek κατά (katá) catabolism, catacombs, cataract-cele: pouching, hernia: Greek κήλη (kḗlē) hydrocele, varicocele-centesis: surgical puncture ...