GB 1a

CAS# 220611-41-6

GB 1a

Catalog No. BCN7237----Order now to get a substantial discount!

Product Name & Size Price Stock
GB 1a: 5mg $903 In Stock
GB 1a: 10mg Please Inquire In Stock
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  • GB 1b

    Catalog No.:BCN7385
    CAS No.:19360-72-6

Quality Control of GB 1a

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Chemical structure

GB 1a

3D structure

Chemical Properties of GB 1a

Cas No. 220611-41-6 SDF Download SDF
PubChem ID 124385005 Appearance Powder
Formula C30H22O10 M.Wt 542.49
Type of Compound Flavonoids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name (2R)-8-[(2S,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-2,3-dihydrochromen-3-yl]-5,7-dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one
SMILES C1C(OC2=C(C1=O)C(=CC(=C2C3C(OC4=CC(=CC(=C4C3=O)O)O)C5=CC=C(C=C5)O)O)O)C6=CC=C(C=C6)O
Standard InChIKey MXEIKUWMKSYEII-KBKXWFDOSA-N
Standard InChI InChI=1S/C30H22O10/c31-15-5-1-13(2-6-15)22-12-21(37)24-19(35)11-20(36)26(30(24)39-22)27-28(38)25-18(34)9-17(33)10-23(25)40-29(27)14-3-7-16(32)8-4-14/h1-11,22,27,29,31-36H,12H2/t22-,27+,29-/m1/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of GB 1a

The leaves of Garcinia travancorica.

Biological Activity of GB 1a

Description1. GB 1a shows potential in vitro antioxidant activities.
TargetsTyrosinase

GB 1a Dilution Calculator

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GB 1a Molarity Calculator

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Preparing Stock Solutions of GB 1a

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.8434 mL 9.2168 mL 18.4335 mL 36.867 mL 46.0838 mL
5 mM 0.3687 mL 1.8434 mL 3.6867 mL 7.3734 mL 9.2168 mL
10 mM 0.1843 mL 0.9217 mL 1.8434 mL 3.6867 mL 4.6084 mL
50 mM 0.0369 mL 0.1843 mL 0.3687 mL 0.7373 mL 0.9217 mL
100 mM 0.0184 mL 0.0922 mL 0.1843 mL 0.3687 mL 0.4608 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on GB 1a

Using Ultra-Performance Liquid Chromatography Quadrupole Time of Flight Mass Spectrometry-Based Chemometrics for the Identification of Anti-angiogenic Biflavonoids from Edible Garcinia Species.[Pubmed:28926234]

J Agric Food Chem. 2017 Sep 27;65(38):8348-8355.

Garcinia xanthochymus fruits are edible and also used in traditional medicine. Our previous work showed that the isolated natural products from G. xanthochymus fruits have displayed antioxidant activity and cytotoxicity in the colon cancer cells. In this study, we developed a strategy to correlate a zebrafish angiogenesis assay with ultra-performance liquid chromatography quadrupole time of flight mass spectrometry-based chemometric analysis to identify potential anti-angiogenic activity compounds from G. xanthochymus fruits. Primary bioactivity results showed that the methanolic extracts from aril and pericarp but not from seed have significant inhibitory effects on the growth of subintestinal vessels (SIVs) in zebrafish embryos. A total of 13 markers, including benzophenones and biflavonoids, were predicted by untargeted principal component analysis and orthogonal partial least squares discriminate analysis, which were tentatively identified as priority markers for the bioactivity related in aril and pericarp. Amentoflavone, a biflavonoid, has been found to significantly inhibit the growth of SIVs at 10 and 20 muM and downregulate the expressions of Angpt2 and Tie2 genes of zebrafish embryos. Furthermore, seven biflavonoids, volkensiflavone, fukugetin, fukugeside, GB 1a, GB 1a glucoside, GB 2a, and GB 2a glucoside, isolated from Garcinia species were evaluated for their structure-activity relationship using the zebrafish model. Only fukugetin, which was previously shown to be anticancer, was active in inhibiting the SIV growth. In this report, both amentoflavone and fukugetin, for the first time, displayed anti-angiogenic effects on zebrafish, thus demonstrating an effective and rapid strategy to identify natural products for anti-angiogenesis activity.

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