Myrianthic acid
Myrianthic acid shows anticancer activity, it shows inhibitory activities on foam cell formation in human monocyte-derived macrophages induced by acetylated low-density lipoproteins at a 50 uM concentration. Myrianthic acid is equivalently inhibitive as acetylsalicylic acid (IC50: 57.0 microM) on epinephrine induced platelet aggregation.
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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.
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Nat Prod Res. 2017 Jun;31(11):1333-1338.
Biological activities of triterpenoids from Poraqueiba sericea stems.[Pubmed:
27736194]
Eleven compounds were isolated from Poraqueiba sericea stems and identified as niga-ichigoside-F1 (1), trachelosperoside B1 (2), 4-epi-niga-ichigoside (7), 19α-hydroxyasiatic acid (3), Myrianthic acid (4), hyptatic acid (5), trachelosperogenin B (6), arjunolic acid (8), and trachelosperogenin E (9), secologanoside (10) and secoxyloganin (11).
METHODS AND RESULTS:
Compounds 1-11 were tested for their antileishmanial activities against Leishmania infantum promastigotes, 1-6 and 8-11 were tested for their cytotoxic activities on fibroblasts, 1-3, 5-6, 8-11 were evaluated for their anti-elastase and anti-acetylcholinesterase assays activities by a spectrophotometric method and 1-2, 5 and 7-10 were tested using bioautography for their β-glucosidase.
CONCLUSIONS:
No antileishmanial activity was detected; compounds 1, 2 and 11 showed a moderate cytotoxic activity with IC50 17.7, 20.5 and 10.9 μg/mL, respectively; compounds 2, 8, 9 and 10 gave a percentage of inhibition ranging from 13 to 16% (at 50 μg/mL) and compounds 1 and 2 showed an inhibition zone on β-glucosidase and anti-acetylcholinesterase assays.
Zhongguo Zhong Yao Za Zhi. 2006 Nov;31(22):1875-9.
Triterpenes from herb of Potentilla chinesis.[Pubmed:
17285988]
METHODS AND RESULTS:
Five pentacyclic triterpenoids, oleanolic acid (1), hederagenin (2), ursolic acid (3), tormentic acid (4) and Myrianthic acid (5), were isolated from the methanol extract of the leaves of Campsis grandiflora, and structures of the compounds were established by the spectroscopic methods. Compounds 2, 3, 4, and 5 were isolated for the first time from the genus Campsis.
CONCLUSIONS:
All of the compounds (IC50: 45.3, 32.8, 82.6, 42.9 and 46.2 microM respectively) were as equivalently inhibitive as acetylsalicylic acid (IC50: 57.0 microM) on epinephrine induced platelet aggregation.
Arch Pharm Res. 2004 Apr;27(4):376-80.
Anti-platelet pentacyclic triterpenoids from leaves of Campsis grandiflora.[Pubmed:
15180300]
METHODS AND RESULTS:
Five pentacyclic triterpenoids, oleanolic acid (1), hederagenin (2), ursolic acid (3), tormentic acid (4) and Myrianthic acid (5), were isolated from the methanol extract of the leaves of Campsis grandiflora, and structures of the compounds were established by the spectroscopic methods. Compounds 2, 3, 4, and 5 were isolated for the first time from the genus Campsis.
CONCLUSIONS:
All of the compounds (IC50: 45.3, 32.8, 82.6, 42.9 and 46.2 microM respectively) were as equivalently inhibitive as acetylsalicylic acid (IC50: 57.0 microM) on epinephrine induced platelet aggregation.
Nat Prod Res. 2014;28(24):2347-50.
Triterpenoids from the fruits and leaves of the blackberry (Rubus allegheniensis) and their inhibitory activities on foam cell formation in human monocyte-derived macrophage.[Pubmed:
25033392 ]
To study the chemical constituents of Potentilla chinesis and their anticancer activities.
METHODS AND RESULTS:
Chemical constituents were isolated by repeated column chromatography (Toyopearl HW-40C and preparative HPLC). The structures were elucidated on the basis of spectral data analysis. The isolated compounds were screened with two anticancer models. Fifteen triterpenes, alpha-amyrin (1) , beta-amyrin (2) , ursolic acid (3) , corosolic acid (4), euscaphic acid (5) , pomolic acid (6) , tormentic acid (7), 2alpha, 3alpha-dihydroxyurs-12-en-28-oic acid (8), 2beta, 3beta, 19alpha-trihydroxyurs-12-en-28-oic acid (9), asiatic acid (10) , 24-hydroxy tormentic acid (11) , Myrianthic acid (12), oleanolic acid (13), maslinic acid (14) and 2alpha, 3alpha-dihydroxyolean-12-en-28-oic acid (15) , were isolated from P. chinesis.
CONCLUSIONS:
Compounds 1, 2, 4 -15 were isolated from the plant for the first time. Compounds 4, 8 - 10, 12, 14 and 15 show anticancer activities. Compounds 4, 9 show strong activities.
