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Poricoic acid B
Poricoic acid B
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Poricoic acid B
Price: $318 / 20mg
CAS No.: 137551-39-4
Catalog No.: CFN95050
Molecular Formula: C30H44O5
Molecular Weight: 484.7 g/mol
Purity: >=97%
Type of Compound: Triterpenoids
Physical Desc.: Powder
Source: The roots of Wolfiporia cocos (Schw.) Ryv.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Download: COA    MSDS
Similar structural: Comparison (Web)  (SDF)
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According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
Size /Price /Stock 10 mM * 1 mL in DMSO / $75.2 / In-stock
Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
Our products had been exported to the following research institutions and universities, And still growing.
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Poricoic acid B shows inhibitory activity against TPA-induced ear inflammatory oedema, it also shows potent inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) activation induced by the tumor promoter 12-O-tetradecanoylphorbol-13-acetate (TPA).
In vitro:
J Nat Prod. 2002 Apr;65(4):462-5.
Inhibition of tumor-promoting effects by poricoic acids G and H and other lanostane-type triterpenes and cytotoxic activity of poricoic acids A and G from Poria cocos.[Pubmed: 11975480]
The structures of two novel 3,4-seco-lanostane-type triterpenes isolated from the sclerotium of Poria cocos were established to be 16alpha-hydroxy-3,4-seco-lanosta-4(28),8,24-triene-3,21-dioic acid (1; poricoic acid G) and 16alpha-hydroxy-3,4-seco-24-methyllanosta-4(28),8,24(24(1))-triene-3,21-dioic acid (2; poricoic acid H) on the basis of spectroscopic methods.
METHODS AND RESULTS:
These two, and eight other known compounds isolated from the sclerotium, Poricoic acid B (3), poricoic acid A (4), tumulosic acid (5), dehydrotumulosic acid (6), 3-epidehydrotumulosic acid (7), polyporenic acid C (8), 25-hydroxy-3-epidehydrotumulosic acid (9), and dehydroabietic acid methyl ester (10), showed potent inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) activation induced by the tumor promoter 12-O-tetradecanoylphorbol-13-acetate (TPA). Evaluation of the cytotoxicity of compounds 1 and 4 against human cancer cell lines revealed that 1 was significantly cytotoxic to leukemia HL-60 cells [GI(50) (concentration that yields 50% growth) value 39.3 nM], although it showed only moderate cytotoxicity to the other cells. Compound 4 exhibited moderate cytotoxicity to all of the cancer cell lines tested.
In vivo:
Phytotherapy Research,1996,10(7):581-4.
Inhibitory Effect of Poria cocos on 12-O-Tetradecanoylphorbol-13Acetate‐Induced Ear Oedema and Tumour Promotion in Mouse Skin[Reference: WebLink]
The methanol extract from the sclerotium of Poria cocos was found to inhibit 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced tumour promotion in two-stage carcinogenesis in mouse skin.
METHODS AND RESULTS:
From the active fraction of the extract, eight lanostane-type triterpene acids and four 3,4-secolanostane-type triterpene acids were isolated. The isolated compounds showed inhibitory activity against TPA-induced ear inflammatory oedema. The 50% inhibitory dose of pachymic acid, 3-O-acetyl-16α-hydroxytrametenolic acid, dehydropachymic acid, dehydroeburiconic acid, 3β-hydroxylanosta-7,9(11),24-trien-21-oic acid, poricoic acid A and Poricoic acid B for TPA-induced inflammation was 17–44 μg/ear, at a grade corresponding to that of hydrocortisone.
Poricoic acid B Description
Source: The roots of Wolfiporia cocos (Schw.) Ryv.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

Cell. 2018 Jan 11;172(1-2):249-261.e12.
doi: 10.1016/j.cell.2017.12.019.
IF=36.216(2019)

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Cell Metab. 2020 Mar 3;31(3):534-548.e5.
doi: 10.1016/j.cmet.2020.01.002.
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Nature Plants. 2016 Dec 22;3: 16206.
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PMID: 28005066

Sci Adv. 2018 Oct 24;4(10): eaat6994.
doi: 10.1126/sciadv.aat6994.
IF=12.804(2019)

PMID: 30417089
Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.0631 mL 10.3157 mL 20.6313 mL 41.2626 mL 51.5783 mL
5 mM 0.4126 mL 2.0631 mL 4.1263 mL 8.2525 mL 10.3157 mL
10 mM 0.2063 mL 1.0316 mL 2.0631 mL 4.1263 mL 5.1578 mL
50 mM 0.0413 mL 0.2063 mL 0.4126 mL 0.8253 mL 1.0316 mL
100 mM 0.0206 mL 0.1032 mL 0.2063 mL 0.4126 mL 0.5158 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
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