A pentacyclic triterpene with diverse biological activities
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Taraxasterol

Item No. 39245

Technical Information
Formal Name
(3β,18α,19α)-urs-20(30)-en-3-ol
CAS Number
1059-14-9
Molecular Formula
C30H50O
Formula Weight
Purity
≥98%
A solid
Chloroform: Soluble
SMILES
C[C@]12[C@]3([C@@](CC[C@]1([H])[C@@]4([C@@](C(C)([C@H](CC4)O)C)([H])CC2)C)([H])[C@]5([H])[C@@](CC3)(CCC([C@H]5C)=C)C)C
InChi Code
InChI=1S/C30H50O/c1-19-11-14-27(5)17-18-29(7)21(25(27)20(19)2)9-10-23-28(6)15-13-24(31)26(3,4)22(28)12-16-30(23,29)8/h20-25,31H,1,9-18H2,2-8H3/t20-,21-,22+,23-,24+,25-,27-,28+,29-,30-/m1/s1
InChi Key
XWMMEBCFHUKHEX-ZJJHUPNDSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    Taraxasterol is a pentacyclic triterpene that has been found in T. mongolicum and has diverse biological activities.1,2,3 It decreases LPS-induced increases in the secreted levels of nitrite, prostaglandin E2 (PGE2; Item No. 14010), TNF-α, IL-1β, and IL-6 from RAW 264.7 macrophages when used at concentrations of 5 and 12.5 µg/ml.1 Taraxasterol reduces the levels of hepatitis B virus (HBV) surface antigen (HBsAg), HBV e antigen (HBeAg), and HBV DNA secreted from HBV-infected HepG2 2.2.15 hepatocytes in a concentration-dependent manner.2 In vivo, taraxasterol (10 mg/kg per day) prevents increases in liver damage, hepatocyte apoptosis, serum levels of alanine transaminase (ALT) and aspartate aminotransferase (AST), and hepatic levels of malondialdehyde (MDA), as well as decreases in the hepatic levels of glutathione (GSH), superoxide dismutase (SOD), and Bax in a mouse model of liver injury induced by the plant lectin concanavalin A (Item No. 14951).3

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Zhang, X., Xiong, H., and Liu, L. Effects of taraxasterol on inflammatory responses in lipopolysaccharide-induced RAW 264.7 macrophages. J. Ethnopharmacol. 141(1), 206-211 (2012).

    2. Yang, Y., Ying, G., Wu, S., et alIn vitro inhibition effects of hepatitis B virus by dandelion and taraxasterol. Infect. Agent. Cancer 15, 44 (2020).

    3. Sang, R., Yu, Y., Ge, B., et alTaraxasterol from Taraxacum prevents concanavalin A-induced acute hepatic injury in mice via modulating TLRs/NF-κB and Bax/Bc1-2 signalling pathways. Artif. Cells Nanomed. Biotechnol. 47(1), 3929-3937 (2019).