Delphinidin
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Delphinidin
Delphinidin (also delphinidine) is an anthocyanidin, a primary plant pigment, and also an antioxidant. Delphinidin gives blue hues to flowers in the genera ''Viola'' and ''Delphinium''. It also gives the blue-red color of the grape that produces Cabernet Sauvignon, and can be found in cranberries and Concord grapes as well as pomegranates, and bilberries. Delphinidin, like nearly all other anthocyanidins, is pH-sensitive, i.e. a natural pH indicator, and changes from blue in basic solution to red in acidic solution. Glycosides Several glycosides derived from delphinidin are known: *Myrtillin (delphinidin-3-''O''-glucoside) and tulipanin (delphinidin-3-''O''-rutinoside) can be found in blackcurrant pomace. *Violdelphin (delphinidin 3-rutinoside-7-''O''-(6-''O''-(4-(6-''O''-(4-hydroxybenzoyl)-β-D-glucosyl)oxybenzoyl)-β-D-glucoside) is responsible for the purplish-blue flower color of '' Aconitum chinense''. * Nasunin (delphinidin-3-(''p''-coumaroylrutinoside)-5-glucoside) ...
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Myrtillin
Myrtillin is an anthocyanin. It is the 3-glucoside of delphinidin. It can be found in all green plants, most abundantly in blackcurrant, blueberry, huckleberry, bilberry leaves and in various myrtles, roselle plants, and ''Centella asiatica'' plant. It is also present in yeast and oatmeal. The sumac fruit's pericarp owes its dark red colour to anthocyanin pigments, of which chrysanthemin, myrtillin and delphinidin have yet been identified. The various colors, such as red, mauve, purple, violet, and blue in ''Hydrangea macrophylla'' are developed from myrtillin complexes with metal ions called metalloanthocyanins. Metabolism The enzyme anthocyanin 3-O-glucoside 6''-O-hydroxycinnamoyltransferase produces delphinidin 3-(6-p-coumaroyl)glucoside from myrtillin and ''p''-coumaroyl-CoA in the anthocyanin biosynthesis Anthocyanins (), also called anthocyans, are water-soluble vacuolar pigments that, depending on their pH, may appear red, purple, blue, or black. In 1835, the Ge ...
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Tulipanin
Tulipanin is an anthocyanin. It is the 3-O-rutinoside of delphinidin. It can be found in ''Alstroemeria spp.'', ''Berberis spp.'', '' Cissus sicyoides'', ''Hymenocallis spp.'', '' Manihot utilissima'', '' Meliosma tenuis'', ''Musa acuminata'', ''Ophiopogon japonicus'', ''Petunia exserta'', ''Petunia reitzii'', blackcurrant (''Ribes nigrum''), ''Schismatoglottis concinna'', ''Secale cereale'', '' Solanum betaceum'', ''Thaumatococcus daniellii'', ''Tulipa spp'' and in eggplant Eggplant ( US, Canada), aubergine ( UK, Ireland) or brinjal (Indian subcontinent, Singapore, Malaysia, South Africa) is a plant species in the nightshade family Solanaceae. ''Solanum melongena'' is grown worldwide for its edible fruit. Mos ...s.Structures and Antioxidant Activity of Anthocyanins in Many Accessions of Eggplant and Its Related Species. Keiko Azuma, Akio Ohyama, Katsunari Ippoushi, Takashi Ichiyanagi, Atsuko Takeuchi, Takeo Saito and Hiroyuki Fukuoka, J. Agric. Food Chem., 2008, 56 (21), p ...
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Anthocyanidin
Anthocyanidins are common plant pigments, the sugar-free counterparts of anthocyanins. They are based on the flavylium cation, an oxonium ion, with various groups substituted for its hydrogen atoms. They generally change color from red through purple, blue, and bluish green as a function of pH. Anthocyanidins are an important subclass of the polymethine dyes and flavonoids. The flavylium cation is a chromenylium cation with a phenyl group substituted in position 2; and chromenylium (also called benzopyrylium) is a bicyclic version of pyrylium. The positive charge can move around the molecule. At least 31 monomeric anthocyanidins have been properly identified in living organisms, mostly as the core components of anthocyanins. The latter are responsible for the red, purple, blue, or black color of many fruits (like grapes and blueberries), flowers (like roses), leaves (like purple cabbage), and even tubers (like radishes and purple yams). They are also found in some animals ...
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Clitoria Ternatea
''Clitoria ternatea'', commonly known as Asian pigeonwings, bluebellvine, blue pea, butterfly pea, cordofan pea or Darwin pea is a plant species belonging to the family Fabaceae, endemic and native to the Indonesian island of Ternate. In India, it is revered as a holy flower, used in daily puja rituals. Etymology The genus name of ''Clitoria'' is a direct translation from the local name of these plant in the Ternate language; which called as , literally means "clitoris" due to its shape that resembles the shape of human female genitals. The first reference to the genus, which includes an illustration of the plant, was made in 1678 by Jakób Breyne, a Polish naturalist, who described it as ''Flos clitoridis ternatensibus'', meaning ' Ternatean flower of the clitoris'. Meanwhile on the other hand, the species name is derived from the name of the island where these Linnaeus's specimens originated; which is the Ternate Island located in northern part of the Maluku Islands. Dis ...
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Violdelphin
Violdelphin is an anthocyanin, a plant pigment, has been found in the purplish blue flower of '' Aconitum chinense'', in the blue flowers in the genus ''Campanula'' and in the blue flowers of ''Delphinium hybridum''.Structure of Violdelphin, an Anthocyanin from Violet Flower of Delphinium hybridum. Tadao Kondo, Kaori Oki, Kumi Yoshida and Toshio Goto, Chemistry Letters,1990, Vol. 19, No. 1, pages 137-138, It is a flavenoid natural product, incorporating two p-hydroxy benzoic acid residues, one rutinoside and two glucosides associated with a delphinidin Delphinidin (also delphinidine) is an anthocyanidin, a primary plant pigment, and also an antioxidant. Delphinidin gives blue hues to flowers in the genera ''Viola'' and ''Delphinium''. It also gives the blue-red color of the grape that produces .... References {{Anthocyanidin Anthocyanins ...
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Acid
In computer science, ACID ( atomicity, consistency, isolation, durability) is a set of properties of database transactions intended to guarantee data validity despite errors, power failures, and other mishaps. In the context of databases, a sequence of database operations that satisfies the ACID properties (which can be perceived as a single logical operation on the data) is called a ''transaction''. For example, a transfer of funds from one bank account to another, even involving multiple changes such as debiting one account and crediting another, is a single transaction. In 1983, Andreas Reuter and Theo Härder coined the acronym ''ACID'', building on earlier work by Jim Gray who named atomicity, consistency, and durability, but not isolation, when characterizing the transaction concept. These four properties are the major guarantees of the transaction paradigm, which has influenced many aspects of development in database systems. According to Gray and Reuter, the IBM Informa ...
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Eggplant
Eggplant ( US, Canada), aubergine ( UK, Ireland) or brinjal (Indian subcontinent, Singapore, Malaysia, South Africa) is a plant species in the nightshade family Solanaceae. ''Solanum melongena'' is grown worldwide for its edible fruit. Most commonly purple, the spongy, absorbent fruit is used in several cuisines. Typically used as a vegetable in cooking, it is a berry by botanical definition. As a member of the genus ''Solanum'', it is related to the tomato, chili pepper, and potato, although those are of the New World while the eggplant is of the Old World. Like the tomato, its skin and seeds can be eaten, but, like the potato, it is usually eaten cooked. Eggplant is nutritionally low in macronutrient and micronutrient content, but the capability of the fruit to absorb oils and flavors into its flesh through cooking expands its use in the culinary arts. It was originally domesticated from the wild nightshade species ''thorn'' or ''bitter apple'', '' S. incanum'',Tsao ...
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Aconitum Chinense
''Aconitum'' (), also known as aconite, monkshood, wolf's-bane, leopard's bane, mousebane, women's bane, devil's helmet, queen of poisons, or blue rocket, is a genus of over 250 species of flowering plants belonging to the family Ranunculaceae. These herbaceous perennial plants are chiefly native to the mountainous parts of the Northern Hemisphere in North America, Europe, and Asia; growing in the moisture-retentive but well-draining soils of mountain meadows. Most ''Aconitum'' species are extremely poisonous and must be handled very carefully. Several ''Aconitum'' hybrids, such as the Arendsii form of ''Aconitum carmichaelii'', have won gardening awards—such as the Royal Horticultural Society's Award of Garden Merit. Some are used by florists. Etymology The name ''aconitum'' comes from the Greek word , which may derive from the Greek ''akon'' for dart or javelin, the tips of which were poisoned with the substance, or from ''akonae'', because of the rocky ground on which t ...
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Blackcurrant
The blackcurrant (''Ribes nigrum''), also known as black currant or cassis, is a deciduous shrub in the family Grossulariaceae grown for its edible berries. It is native to temperate parts of central and northern Europe and northern Asia, where it prefers damp fertile soils. It is widely cultivated both commercially and domestically. It is winter hardy, but cold weather at flowering time during the spring may reduce the size of the crop. Bunches of small, glossy black fruit develop along the stems in the summer and can be harvested by hand or by machine. Breeding is common in Scotland, Poland, Lithuania, Latvia, Norway, and New Zealand to produce fruit with better eating qualities and bushes with greater hardiness and disease resistance. The raw fruit is particularly rich in vitamin C and polyphenols. Blackcurrants can be eaten raw but are usually cooked in sweet or savoury dishes. They are used to make jams, preserves, and syrups and are grown commercially for the juice mar ...
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Glycoside
In chemistry, a glycoside is a molecule in which a sugar is bound to another functional group via a glycosidic bond. Glycosides play numerous important roles in living organisms. Many plants store chemicals in the form of inactive glycosides. These can be activated by enzyme hydrolysis, which causes the sugar part to be broken off, making the chemical available for use. Many such plant glycosides are used as medications. Several species of ''Heliconius'' butterfly are capable of incorporating these plant compounds as a form of chemical defense against predators. In animals and humans, poisons are often bound to sugar molecules as part of their elimination from the body. In formal terms, a glycoside is any molecule in which a sugar group is bonded through its anomeric carbon to another group via a glycosidic bond. Glycosides can be linked by an O- (an ''O-glycoside''), N- (a ''glycosylamine''), S-(a ''thioglycoside''), or C- (a '' C-glycoside'') glycosidic bond. According to th ...
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Solution (chemistry)
In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent. If the attractive forces between the solvent and solute particles are greater than the attractive forces holding the solute particles together, the solvent particles pull the solute particles apart and surround them. These surrounded solute particles then move away from the solid solute and out into the solution. The mixing process of a solution happens at a scale where the effects of chemical polarity are involved, resulting in interactions that are specific to solvation. The solution usually has the state of the solvent when the solvent is the larger fraction of the mixture, as is commonly the case. One important parameter of a solution is the concentration, which is a measure of the amount of solute in a given amount of solution or solvent. The term "aqueous solution" is used when ...
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