2,4,7-Trihydroxy-9,10-dihydrophenanthrene
2,4,7-Trihydroxy-9,10-dihydrophenanthrene showS the DPPH free radical scavenging activity with EC(50) from 8.8 to 55.9 microM.
Inquire / Order:
manager@chemfaces.com
Technical Inquiries:
service@chemfaces.com
Tel:
+86-27-84237783
Fax:
+86-27-84254680
Address:
1 Building, No. 83, CheCheng Rd., Wuhan Economic and Technological Development Zone, Wuhan, Hubei 430056, PRC
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
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.
Biol Pharm Bull.2023, 46(2):245-256.
The Journal of Phytopharmacology2020, 9(1): 1-4
The Japan Society for Analytical Chemistry2017, 613-617
Int J Cosmet Sci.2023, 45(2):155-165.
Mol Biol Rep.2023, 50(5):4029-4038.
Molecules.2019, 24(21):E3834
Chemistry of Natural Compounds2020, 56,423-426
Br J Pharmacol.2018, 175(6):902-923
Molecules.2019, 24(24),4583
Front Cell Dev Biol.2021, 9:764263.
Related and Featured Products
J Asian Nat Prod Res. 2007 Mar;9(2):165-74.
9, 10-Dihydrophenanthrene derivatives from Pholidota yunnanensis and scavenging activity on DPPH free radical.[Pubmed:
17454314 ]
METHODS AND RESULTS:
Three new 9,10-dihydrophenanthrene derivatives named phoyunnanins A-C, together with six known 9,10-dihydrophenanthrene constituents, 4,4',7,7'-tetrahydroxy-2,2'-dimethoxy-9,9',10,10'-tetrahydro-1,1'-biphenanthrene (4), lusianthridin (5), eulophiol (6), 2,4,7-Trihydroxy-9,10-dihydrophenanthrene (7) and imbricatin (8), were isolated from the 60% ethanolic extract of air-dried whole plant of Pholidota yunnanensis Rolfe. The structures of phoyunnanins A-C were established as 6-[2'-(3',3''-dihydroxy-5'-methoxybibenzy)]-4,7-dihydroxy-2-methoxy-9,10-dihydrophenanthrene (1), 6-[6'-(trans-3',3''-dihydroxy-5'-methoxystilbeny)]-4,7-dihydroxy-2-methoxy-9,10-dihydrophenanthrene (2) and 4,4',7,7'-tetrahydroxy-2,2'-dimethoxy-9,9',10,10'-tetrahydro-1,6'-biphenanthrene (3), respectively, on the basis of the spectroscopic analysis.
CONCLUSIONS:
All eight compounds (1-8) were found to show the DPPH free radical scavenging activity with EC(50) from 8.8 to 55.9 microM.
