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Digitale Medien

Oxidation products of acylated anthocyanins under acidic and neutral conditions

Hrazdina, G. ; Franzese, A.J.

Amsterdam : Elsevier

Phytochemistry 13 (1974), S. 231-234

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ISSN: 0031-9422

Schlagwort(e): 3-(6-O-p-coumarylglucosyl-5-glucosyl-7 hydroxy coumarin. ; Acylated anthocyanins: H"2"2-oxidation: p-coumarylmalvone

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Biologie , Chemie und Pharmazie

Materialart: Digitale Medien

URL: http://linkinghub.elsevier.com/retrieve/pii/S0031-9422(00)91300-1

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Digitale Medien

Phenylalanine ammonia-lyase from illuminated buckwheat hypocotyls and production of monoclonal antibodies

Belunis, C.J. ; Hrazdina, G.

Amsterdam : Elsevier

Phytochemistry 27 (1988), S. 2485-2489

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ISSN: 0031-9422

Schlagwort(e): Fagopyrum esculentum ; Polygonaceae ; buckwheat ; immunoblot. ; monoclonal antibody ; phenylalanine ammonia-lyase ; purification

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Biologie , Chemie und Pharmazie

Materialart: Digitale Medien

URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(88)87015-8

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Digitale Medien

Purification and properties of a UDPglucose:flavonoid 3-O-glucosyltransferase from Hippeastrum petals

Hrazdina, G.

Amsterdam : Elsevier

Biochimica et Biophysica Acta (BBA)/Protein Structure and Molecular 955 (1988), S. 301-309

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ISSN: 0167-4838

Schlagwort(e): (Hippeastrum) ; Flavonol O^3-glucosyltransferase ; Glucosyltransferase ; Purification ; UDPglucose:flavonoid 3-O-glucosyltransferase

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Biologie , Chemie und Pharmazie , Medizin

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1016/0167-4838(88)90208-7

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Digitale Medien

Phenotypic differences in anthocyanin accumulation among clonally related cultured cells of carrot (1990)

Vogelien, D. L. ; Hrazdina, G. ; Reeves, S. ; [weitere]

Springer

Plant cell, tissue and organ culture 22 (1990), S. 213-222

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ISSN: 1573-5044

Schlagwort(e): anthocyanin accumulation ; cell clones ; chalcone synthase ; Daucus carota ; intermediates in biosynthesis ; phenotypes

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Abstract Subclones from a wild carrot cell culture have been examined for their anthocyanin accumulation in the absence and presence of DMSO and 4-coumaric acid, naringenin, dihydroquercetin or leucocyanidin. Subclones that accumulate no or extremely low levels of anthocyanin do not increase their anthocyanin accumulation when treated with DMSO or intermediates. These compounds increased the anthocyanin accumulation in subclones which produce detectable anthocyanin in their absence. Chalcone synthase was shown to be present in clones and the activity showed no correlation with the amount of anthocyanin accumulated. This suggests that the enzymes of anthocyanin biosynthesis are not coordinately repressed in the subclones which accumulate little or no anthocyanin. Dihydroquercetin and catechin were present in subclones with little or no anthocyanin but no procyanidin was detected which suggests that these subclones biosynthesize leucocyanidin but do not convert it into colorless procyanidins as a major alternative metabolic pathway to anthocyanin biosynthesis. The possibility that some clones are not anthocyanin accumulating because they have impaired transport of the sinapoylated anthocyanin into the vacuole is discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00033639

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