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http://dbpedia.org/ontology/abstract Biosyntéza flavonoidů probíhá fenylpropaniBiosyntéza flavonoidů probíhá fenylpropanidovou metabolickou dráhou, ve které se aminokyselina fenylalanin přeměňuje na . Tato přeměna může proběhnout navázáním za vzniku prekurzoru flavonoidové struktury, konkrétně skupiny sloučenin nazývané chalkonoidy, které obsahují dvě fenylová jádra. Konjugační uzavírání kruhu u chalkonů poté vede k tvorbě tricyklického . Proces dále pokračuje několika enzymatickými modifikacemi, kterými vznikají → → antokyany. V této dráze může vznikat mnoho různých produktů, jako jsou , , (patřící mezi taniny) a řada jiných polyfenolických sloučenin. Flavanoidy mohou obsahovat chirální atomy uhlíku, s čímž je třeba počítat při jejich analýze, protože má chiralita vliv na či stereospecifitu enzymů.iralita vliv na či stereospecifitu enzymů. , Flavonoids are synthesized by the phenylprFlavonoids are synthesized by the phenylpropanoid metabolic pathway in which the amino acid phenylalanine is used to produce 4-coumaroyl-CoA. This can be combined with malonyl-CoA to yield the true backbone of flavonoids, a group of compounds called chalcones, which contain two phenyl rings. Conjugate ring-closure of chalcones results in the familiar form of flavonoids, the three-ringed structure of a flavone. The metabolic pathway continues through a series of enzymatic modifications to yield flavanones → dihydroflavonols → anthocyanins. Along this pathway, many products can be formed, including the flavonols, flavan-3-ols, proanthocyanidins (tannins) and a host of other various polyphenolics. Flavanoids can possess chiral carbons. Methods of analysis should take this element into account especially regarding bioactivity or enzyme stereospecificity.g bioactivity or enzyme stereospecificity.
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rdfs:comment Flavonoids are synthesized by the phenylprFlavonoids are synthesized by the phenylpropanoid metabolic pathway in which the amino acid phenylalanine is used to produce 4-coumaroyl-CoA. This can be combined with malonyl-CoA to yield the true backbone of flavonoids, a group of compounds called chalcones, which contain two phenyl rings. Conjugate ring-closure of chalcones results in the familiar form of flavonoids, the three-ringed structure of a flavone. The metabolic pathway continues through a series of enzymatic modifications to yield flavanones → dihydroflavonols → anthocyanins. Along this pathway, many products can be formed, including the flavonols, flavan-3-ols, proanthocyanidins (tannins) and a host of other various polyphenolics.and a host of other various polyphenolics. , Biosyntéza flavonoidů probíhá fenylpropaniBiosyntéza flavonoidů probíhá fenylpropanidovou metabolickou dráhou, ve které se aminokyselina fenylalanin přeměňuje na . Tato přeměna může proběhnout navázáním za vzniku prekurzoru flavonoidové struktury, konkrétně skupiny sloučenin nazývané chalkonoidy, které obsahují dvě fenylová jádra. Konjugační uzavírání kruhu u chalkonů poté vede k tvorbě tricyklického . Proces dále pokračuje několika enzymatickými modifikacemi, kterými vznikají → → antokyany. V této dráze může vznikat mnoho různých produktů, jako jsou , , (patřící mezi taniny) a řada jiných polyfenolických sloučenin.) a řada jiných polyfenolických sloučenin.
rdfs:label Flavonoid biosynthesis , Biosyntéza flavonoidů
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