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  • Product Name: Puerarin
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  • Purity: 98.0%
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Related CAS#:
3681-99-0 100272-46-6
103654-50-8 117047-07-1
117060-54-5 114240-18-5
69655-50-1 117047-08-2

3681-99-0

3681-99-0 structure
3681-99-0 structure
Name Puerarin
Synonyms 8-(β-D-Glucopyranosyl)-4',7-dihydroxyisoflavone
Puerarin std.
Puerqarin
4H-1-Benzopyran-4-one, 8-(β-D-glucopyranosyloxy)-7-hydroxy-3-(4-hydroxyphenyl)-
Pueraria flavonoids
MFCD00076007
7-Hydroxy-3-(4-hydroxyphenyl)-4-oxo-4H-chromen-8-yl β-D-glucopyranoside
Puerain
Puerarine
Kakonein
daidzein-8-C-glucose
Purerarin
7-Hydroxy-3-(4-hydroxyphenyl)-8-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy}-4H-chromen-4-on
7-Hydroxy-3-(4-hydroxyphényl)-8-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxyméthyl)tétrahydro-2H-pyran-2-yl]oxy}-4H-chromén-4-one
7-Hydroxy-3-(4-hydroxyphenyl)-8-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy}-4H-chromen-4-one
PUERARIN
7-Hydroxy-3-(4-hydroxyphenyl)-4-oxo-4H-chromen-8-yl b-D-glucopyranoside
Puararin
7-Hydroxy-3-(4-hydroxyphenyl)-4-oxo-4H-chromen-8-yl-β-D-glucopyranoside
Description Puerarin, an isoflavone extracted from Radix puerariae, is a 5-HT2C receptor antagonist.
Related Catalog
In Vitro Puerarin inhibits the expression of LPS-induced iNOS, COX-2 and CRP proteins and also suppresses their mRNAs from RT-PCR experiments in RAW264.7 cells. The inhibition of iNOS, COX-2 and CRP expression is due to a dose-dependent inhibition of phosphorylation and degradation of I-κB, which resulted in the reduction of p65NF-κB nuclear translocation. The effect of puerarin-mediated inhibition of LPS-induced iNOS, COX-2 and CRP expression is attributed to suppressed NF-κB activation at the transcriptional level[1]. Puerarin is a novel open-channel blocker of IK1, which may underlie the antiarrhythmic action of puerarin. Puerarin competes with barium, an open-channel blocker of IK1, to inhibit IK1 currents[2].
In Vivo Both genistein and puerarin effectively alleviate hepatic damage induced by chronic alcohol administration through potential antioxidant, anti-inflammatory, or anti apoptotic mechanisms. However, genistein is more effective than puerarin in decreasing levels of malondialdehyde (1.05±0.0947 vs. 1.28±0.213 nmol/mg pro, p< 0.05), tumor necrosis factor α (3.12±0.498 vs. 3.82±0.277 pg/mg pro, p < 0.05), interleukin-6 (1.46±0.223 vs. 1.88±0.309 pg/mg pro, p < 0.05), whereas puerarin is more effective than genistein in ameliorating serum activities or levels of alanine transaminase (35.8±3.95 vs. 42.6±6.56 U/L, p < 0.05) and low-density lipoprotein cholesterol (1.12±0.160 vs. 1.55±0.150 mmol/L, p < 0.05) [3]. Early-stage renal damages can be significantly improved by puerarin, possibly via its suppression of ICAM-1 and TNF-α expression in diabetic rat kidneys[4].
Cell Assay RAW264.7 cells are maintained at subconfluence in 95% air and 5% CO2 humidified atmosphere maintained at 37°C. The medium used for routine subculture is Dulbecco’s Modified Eagle’s Medium supplemented with 10% fetal bovine serum, penicillin (100 units/mL) and streptomycin (100 μg/ mL). An MTT assay is used to measure the viability of the cells after treatment with puerarin. After the supernatants are removed for nitrite determination, cells are incubated at 37°C with MTT (0.05 mg/mL) for 4 h, and the optical density is measured at 540 nm. The concentrations of puerarin are10, 20, 40 and 100 μM[1].
Animal Admin Rats: A cohort of healthy male SD rats (7 weeks old) are randomLy divided into a control group, a model group, and a puerarin treatment group with high (H), moderate (M), and low (L) dosage. Puerarin is re-suspended in 0.9% saline and is given by intra-gastric intubation at various concentrations (0.25 mg/(kg×d) for L group, 0.5 mg/(kg×d) for M group, and 1.0 mg/(kg×d) for H group) each day for 8 consecutive days. An equal volume of saline is administered to control and model rats during the same time period[4]. Mice: Forty male ICR mice (weight: 20-22 g) are acclimatized with a daily 12 h light:12 h dark cycle at 22±2 °C room temperature and 55%±5% relative humidity. After 1 week of adaption, the mice are randomLy divided into four groups with ten mice per group. Genistein and puerarin are applied to the mice in sodium carboxymethyl cellulose solution with an equimolar concentration of 0.1 M (gastric volume: 3 mL kg-1 body weight)[3].
References

[1]. Hu W, et al. Puerarin inhibits iNOS, COX-2 and CRP expression via suppression of NF-κB activation in LPS-induced RAW264.7 macrophage cells. Pharmacol Rep. 2011;63(3):781-9.

[2]. Zhang H, et al. Puerarin: a novel antagonist to inward rectifier potassium channel (IK1). Mol Cell Biochem. 2011 Jun;352(1-2):117-23.

[3]. Zhao L,et al. Protective Effects of Genistein and Puerarin against Chronic Alcohol-Induced Liver Injury in Mice via Antioxidant, Anti-inflammatory, and Anti-apoptotic Mechanisms.J Agric Food Chem. 2016 Sep 28;64(38):7291-7.

[4]. Pan X, et al. Effect of Puerarin on Expression of ICAM-1 and TNF-α in Kidneys of Diabetic Rats. Med Sci Monit. 2015 Jul 23;21:2134-40.
Density 1.6±0.1 g/cm3
Boiling Point 791.2±60.0 °C at 760 mmHg
Melting Point 187-189°C
Molecular Formula C21H20O9
Molecular Weight 416.38
Flash Point 281.5±26.4 °C
PSA 160.82000
LogP -0.67
Vapour Pressure 0.0±2.9 mmHg at 25°C
Index of Refraction 1.717
Storage condition 2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UO5216000
CHEMICAL NAME :
Puerarin
CAS REGISTRY NUMBER :
3681-99-0
BEILSTEIN REFERENCE NO. :
0064198
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C21-H20-O9
MOLECULAR WEIGHT :
416.41

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
738 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CYLPDN Zhongguo Yaoli Xuebao. Acta Pharmacologica Sinica. Chinese Journal of Pharmacology. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1980- Volume(issue)/page/year: 6,166,1985
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes F,C
Risk Phrases R11
Safety Phrases 22-24/25-45-36/37/39-26-16
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS UO5216000
HS Code 2932999099
1242241-66-2 structure

1242241-66-2

~71%

3681-99-0 structure

3681-99-0
Literature: Kato, Eisuke; Kawabata, Jun Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 15 p. 4333 - 4336
1029605-74-0 structure

1029605-74-0

~76%

3681-99-0 structure

3681-99-0
Literature: Lee; Ji; Zhang Journal of Labelled Compounds and Radiopharmaceuticals, 2007 , vol. 50, # 8 p. 702 - 705
69667-95-4 structure

69667-95-4

~%

3681-99-0 structure

3681-99-0
Literature: Lee, David Y. W.; Zhang, Wu-Yan; Karnati, Vishnu Vardhan R. Tetrahedron Letters, 2003 , vol. 44, # 36 p. 6857 - 6859
147899-32-9 structure

147899-32-9

~%

3681-99-0 structure

3681-99-0
Literature: Park; Hakamatsuka; Noguchi; Sankawa; Ebizuka Chemical and Pharmaceutical Bulletin, 1992 , vol. 40, # 7 p. 1978 - 1980
HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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