Taxifolin 3'-O-glucoside | CAS:31106-05-5

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Flavonoids from Pinus sylvestris needles and their variation in trees of different origin grown for nearly a century at the same area[Reference: WebLink]

METHODS AND RESULTS:
Flavonoids in needles of Scots pine planted in 1912–1914 in Poland from seeds originating from different parts of Europe, were isolated, chemically characterised and analysed by HPLC. It was shown that flavonoid profiles were similar in all tested populations and were different from those previously reported for Scots pine seedlings. They included taxifolin, Taxifolin 3'-O-glucoside, quercetin as well as quercetin 3-O-glucoside and 3′-O-glucoside. The quercetin 3-O-glucoside could be found only in a trace amount in all samples and quercetin 3′-O-glucoside appeared in all samples regardless their origin. The relative concentration of taxifolin 3′-O-glucoside, quercetin, taxifolin and total flavonoids showed dependence on the origin of seeds; needles from high latitude populations contained smaller amounts of these compounds.
CONCLUSIONS:
Presented data clearly indicate that Scots pine contain glycosidases specific for glycosylation at C-3′ rather than at C-3. Besides, they indicate that long lasting influence of similar environmental factors is not able to change genetic regulatory systems responsible for flavonoid biosynthesis.

Product Name	Taxifolin 3'-O-glucoside
CAS No.:	31106-05-5
Catalog No.:	CFN96494
Molecular Formula:	C₂₁H₂₂O₁₂
Molecular Weight:	342.29 g/mol
Purity:	>=98%
Type of Compound:	Flavonoids
Physical Desc.:	Powder
Source:	The leaves of Chamaecyparis obtuse
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
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