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Merck

92204

Supelco

二氢山奈酚

analytical standard

别名:

(2R,3R)-3,4′,5,7-四羟基黄烷酮, Katuranin, 香树素, (2R,3R)-3,5,7-三羟基-2-(4-羟基苯基)-2,3-二氢-4-H-色烯-4-酮, (±)-二氢山奈酚, (±)-香树醇

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About This Item

经验公式(希尔记法):
C15H12O6
CAS号:
分子量:
288.25
MDL號碼:
分類程式碼代碼:
85151701
PubChem物質ID:
NACRES:
NA.24

等級

analytical standard

品質等級

化驗

≥95.0% (HPLC)

儲存期限

limited shelf life, expiry date on the label

技術

HPLC: suitable
gas chromatography (GC): suitable

雜質

≤10.0% water
≤5.0% residual solvents

應用

food and beverages

格式

neat

SMILES 字串

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

InChI 密鑰

PADQINQHPQKXNL-LSDHHAIUSA-N

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應用

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包裝

无底玻璃瓶。内含物装在插入的融合锥内。

其他說明

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

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Acute Tox. 4 Oral

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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分析证书(COA)

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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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