Amentoflavone - CAS 1617-53-4
Catalog number:
Not Intended for Therapeutic Use. For research use only.
Molecular Formula:
Molecular Weight:
Amentoflavone, which comes from the seed of Ginkgo biloba L, can interact with many other medications by being a potent inhibitor of CYP3A4 and CYP2C9, which are proteins used for drug metabolism in the body. It is also an inhibitor of human cathepsin B.
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Yellow powder
DMSO: ≥ 34 mg/mL
Store in a cool and dry place and at 0 - 4℃ for short term (days to weeks) or -29℃ for long term (months to years).
Quality Standard:
Shelf Life:
2 years
Boiling Point:
910.5±65.0 °C | Condition: Press: 760 Torr
Melting Point:
245-250 °C (decomp)
1.656±0.06 g/cm3
Canonical SMILES:
1.Amentoflavone protects hippocampal neurons: anti-inflammatory, antioxidative, and antiapoptotic effects.
Zhang Z1, Sun T1, Niu JG2, He ZQ2, Liu Y3, Wang F1. Neural Regen Res. 2015 Jul;10(7):1125-33. doi: 10.4103/1673-5374.160109.
Amentoflavone is a natural biflavone compound with many biological properties, including anti-inflammatory, antioxidative, and neuroprotective effects. We presumed that amentoflavone exerts a neuroprotective effect in epilepsy models. Prior to model establishment, mice were intragastrically administered 25 mg/kg amentoflavone for 3 consecutive days. Amentoflavone effectively prevented pilocarpine-induced epilepsy in a mouse kindling model, suppressed nuclear factor-κB activation and expression, inhibited excessive discharge of hippocampal neurons resulting in a reduction in epileptic seizures, shortened attack time, and diminished loss and apoptosis of hippocampal neurons. Results suggested that amentoflavone protected hippocampal neurons in epilepsy mice via anti-inflammation, antioxidation, and antiapoptosis, and then effectively prevented the occurrence of seizures.
2.Amentoflavone Induces Anti-angiogenic and Anti-metastatic Effects Through Suppression of NF-κB Activation in MCF-7 cells.
Chen JH1, Chen WL2, Liu YC3. Anticancer Res. 2015 Dec;35(12):6685-93.
The aim of the present study was to investigate whether amentoflavone induces anti-angiogenic and anti-metastatic effects through suppression of NF-κB activation in breast cancer in vitro. Effects of NF-κB inhibitor 4-N-[2-(4-phenoxyphenyl) ethyl] quinazoline-4, 6-diamine (QNZ) and amentoflavone on the expression and secretion of angiogenesis- and metastasis-related proteins and cell invasion were investigated by western blotting, enzyme-linked immunosorbent assay (ELISA), and invasion assays. We also verified the effects of QNZ and amentoflavone on lipopolysaccharides (LPS)-activated cell invasion. Obtained results indicated that both QNZ and amentoflavone reduce NF-κB activation, expression and secretion of angiogenesis- and metastasis-related proteins, and cell invasion. QNZ and amentoflavone also reverse LPS-activated cell invasion. In conclusion, inhibition of NF-κB activation decreases expression and secretion of angiogenesis- and metastasis-related proteins.
3.Amentoflavone protects against psoriasis-like skin lesion through suppression of NF-κB-mediated inflammation and keratinocyte proliferation.
An J1, Li Z1, Dong Y1, Ren J1, Huo J2. Mol Cell Biochem. 2016 Feb;413(1-2):87-95. doi: 10.1007/s11010-015-2641-6. Epub 2016 Jan 2.
Psoriasis is a one of the most common chronic skin diseases, which affects 0.6-4.8 % of the general population. Amentoflavone (AMF) belongs to the biflavonoid class of flavonoids, possessing various biological effects, such as anti-inflammatory, antioxidant, and anti-apoptotic effects. In the present study, we aimed to investigate the effect of AMF on psoriasis in imiquimod (IMQ) psoriasis-like lesions in mice and keratinocyte proliferation in HaCaT cells. We showed that AMF reduced skinfold thickening, and improved erythema and scaling scores and histological lesions in IMQ-treated mice. AMF exerted potent anti-inflammatory effect via influencing a variety of proinflammatory cytokines, including tumor necrosis factor α, interleukin (IL)-17A, IL-22, and IL-23 in local skin lesions and the whole body. In M5 (a cocktail of cytokines)-treated HaCaT cells, AMF significantly inhibited cell proliferation, promoted apoptosis, and inhibited the increase of expression of cyclin D1, cyclin E, IL-17A, and IL-22.
4.Amentoflavone enhances osteogenesis of human mesenchymal stem cells through JNK and p38 MAPK pathways.
Zha X1, Xu Z1, Liu Y1, Xu L2, Huang H3, Zhang J3, Cui L1, Zhou C4, Xu D5,6,7. J Nat Med. 2016 Apr 22. [Epub ahead of print]
Amentoflavone is a bioflavonoid found in a variety of traditional Chinese medicines such as Gingko and Selaginella tamariscina. It has been reported that amentoflavone has anti-inflammatory, antioxidant, antiviral and anticancer effects. However, the effect of amentoflavone on osteogenic differentiation of human mesenchymal stem cells (hMSCs) has not been studied. In this study, we aim to explore the effect of amentoflavone on the proliferation and osteogenic differentiation of hMSCs. The results showed that amentoflavone significantly enhanced the proliferation, alkaline phosphatase (ALP) activity and mineralization in hMSCs. Western blot analysis revealed that the expression of runt-related transcription factor 2 and osterix proteins was upregulated in amentoflavone-treated hMSCs. Furthermore, we investigated the possible signaling pathways responsible for osteogenic differentiation of hMSCs by amentoflavone. We found that amentoflavone significantly increased the levels of phosphorylated JNK and p-p38.
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CAS 1617-53-4 Amentoflavone

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