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92204

Supelco

Dihydrokaempferol

analytical standard

Sinonimo/i:

(+)-Aromadendrol, (+)-Dihydrokaempferol, (2R,3R)-3,4′,5,7-Tetrahydroxyflavanone, (2R,3R)-3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-2,3-dihydro-4H-chromen-4-one, Aromadendrin, Katuranin

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About This Item

Formula empirica (notazione di Hill):
C15H12O6
Numero CAS:
480-20-6
Peso molecolare:
288.25
Numero MDL:
MFCD00189454
Codice UNSPSC:
85151701
ID PubChem:
329769874
NACRES:
NA.24

Grado

analytical standard

Livello qualitativo

100

Saggio

≥95.0% (HPLC)

Durata

limited shelf life, expiry date on the label

tecniche

HPLC: suitable
gas chromatography (GC): suitable

Impurezze

≤10.0% water
≤5.0% residual solvents

applicazioni

food and beverages

Formato

neat

Stringa SMILE

O[C@@H]1[C@H](Oc2cc(O)cc(O)c2C1=O)c3ccc(O)cc3

InChI

1S/C15H12O6/c16-8-3-1-7(2-4-8)15-14(20)13(19)12-10(18)5-9(17)6-11(12)21-15/h1-6,14-18,20H/t14-,15+/m0/s1
PADQINQHPQKXNL-LSDHHAIUSA-N

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Applicazioni

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Confezionamento

Bottomless glass bottle. Contents are inside inserted fused cone.

Altre note

This compound is commonly found in plants of the genus: ginkgo silybum thymus

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H302

Classi di pericolo

Acute Tox. 4 Oral

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (COA)

Lot/Batch Number
BCCG9028
BCCG2635
BCCF9797
BCCF6372
BCCF2310

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Richard Lukacin et al.
Phytochemistry, 62(3), 287-292 (2003-03-07)
Flavonol synthase was classified as a 2-oxoglutarate-dependent dioxygenase converting natural (2R,3R)-dihydroflavonols, i.e. dihydrokaempferol, to the corresponding flavonols (kaempferol). Flavonol synthase from Citrus unshiu (Satsuma mandarin), expressed in Escherichia coli and purified to homogeneity, was shown to accept also (2S)-naringenin as
S Masuzaki et al.
TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 112(4), 607-617 (2006-01-18)
The extrachromosome 5A of shallot (Allium cepa L., genomes AA) has an important role in flavonoid biosynthesis in the scaly leaf of Allium fistulosum-shallot monosomic addition lines (FF+nA). This study deals with the production and biochemical characterisation of A. fistulosum-shallot
Houhua Li et al.
Molecular biology reports, 39(3), 2991-2999 (2011-06-28)
Dihydroflavonol 4-reductase (DFR), which catalyzes the reduction of dihydroflavonols to leucoanthocyanins, is a key enzyme in the biosynthesis of anthocyanidins, proanthocyanidins, and other flavonoids of importance in plant development and human nutrition. This study isolated a full length cDNA encoding
Li Tian et al.
FEBS letters, 580(30), 6915-6920 (2006-12-13)
Flavonoids and isoflavonoids are well known for their beneficial effects on human health and their anti-insect and anti-microbial activities in plants. Osage orange fruit is rich in prenylated isoflavones and dihydrokaempferol and its glucoside. Four glycosyltransferases were identified from a
Frank Wellmann et al.
European journal of biochemistry, 269(16), 4134-4142 (2002-08-16)
Flavonols are produced by the desaturation of flavanols catalyzed by flavonol synthase. The enzyme belongs to the class of intermolecular dioxygenases which depend on molecular oxygen and FeII/2-oxoglutarate for activity, and have been in focus of structural studies recently. Flavonol
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