3'-Methoxydaidzein
3'-Methoxydaidzein has antioxidant activity, it and geraldol have antiplatelet aggregation activity and appear to be specific against collagen‐induce platelet aggregation with a IC50 values of12.3 and 61.5 uM, respectively.
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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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Antioxidant activities of natural phenolic components from Dalbergia odorifera T. Chen[Reference:
WebLink]
The antioxidant activities on oil of natural phenolic components extracted from Dalbergia odorifera T. Chen were investigated. A new benzophenone 2,4-dihydroxy-5-methoxybenzophenone (1), together with eight known components, were isolated.
METHODS AND RESULTS:
The eight components were identified by chemical and spectroscopic methods as 2′,3′,7-trihydroxy-4′-methoxyisoflavanone (2), 3'-Methoxydaidzein (3), 4′,5,7-trihydroxy-3-methoxyflavone (4), vestitol (5), medicarpin (6), hexanoic acid, 2-propenylester (7), hexadecanoic acid, ethyl ester (8) and 3,8,-nonadien-2-one (9). Their antioxidant activities were investigated and compared with butylated hydroxyluene (BHT) and α-tocopherol. The results showed that components 1, 3, 5 and 6 had antioxidant activity and components 2 and 4 had strong antioxidant activity at 0.02 and 0.04% levels. When the individual components (0.02%) were mixed with 0.02% BHT, or 0.02% α-tocopherol, their protection factor was increased, but there was no synergistic effect. When the individual component had 4 ppm added Fe3+, components 1, 2, 3 and 4 had antioxidant activity. Their antioxidant activities were tested by an oxidative stability instrument (OSI) at 100°C.
CONCLUSIONS:
Six of the phenolic components showed antioxidant activities.
