LeucosideCAS# 27661-51-4 |
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3D structure
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| Cas No. | 27661-51-4 | SDF | Download SDF |
| PubChem ID | 44566720 | Appearance | Yellowish powder |
| Formula | C26H28O15 | M.Wt | 580.5 |
| Type of Compound | Flavonoids | Storage | Desiccate at -20°C |
| Synonyms | Leucoside | ||
| Solubility | Soluble in methanol and water | ||
| Chemical Name | 3-[(2S,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxan-2-yl]oxy-5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one | ||
| SMILES | C1C(C(C(C(O1)OC2C(C(C(OC2OC3=C(OC4=CC(=CC(=C4C3=O)O)O)C5=CC=C(C=C5)O)CO)O)O)O)O)O | ||
| Standard InChIKey | RXAXTTGJEMODPY-CJNLAGEVSA-N | ||
| Standard InChI | InChI=1S/C26H28O15/c27-7-15-18(33)20(35)24(41-25-21(36)17(32)13(31)8-37-25)26(39-15)40-23-19(34)16-12(30)5-11(29)6-14(16)38-22(23)9-1-3-10(28)4-2-9/h1-6,13,15,17-18,20-21,24-33,35-36H,7-8H2/t13-,15-,17+,18-,20+,21-,24-,25+,26+/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. |
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| 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. |
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| 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. | ||
| Description | Pure leucoside can be prepared by enzymatic partial hydrolysis of tea seed extract . |
| Structure Identification | J Sci Food Agric. 2013 Jan;93(2):362-7.Novel synthesis of leucoside by enzymatic hydrolysis of tea seed extract.[Pubmed: 22777867]The application of tea seed extract (TSE) has been widely investigated owing to its biological activities. In this paper, two flavonol triglycosides found in TSE, camelliaside A (CamA) and camelliaside B (CamB), were subjected to hydrolysis in the presence of three commercial enzyme complexes of the Pectinex® series, 5XL, XXL and Ultra SP-L (Ultra).
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Leucoside Dilution Calculator
Leucoside Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.7227 mL | 8.6133 mL | 17.2265 mL | 34.4531 mL | 43.0663 mL |
| 5 mM | 0.3445 mL | 1.7227 mL | 3.4453 mL | 6.8906 mL | 8.6133 mL |
| 10 mM | 0.1723 mL | 0.8613 mL | 1.7227 mL | 3.4453 mL | 4.3066 mL |
| 50 mM | 0.0345 mL | 0.1723 mL | 0.3445 mL | 0.6891 mL | 0.8613 mL |
| 100 mM | 0.0172 mL | 0.0861 mL | 0.1723 mL | 0.3445 mL | 0.4307 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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Novel synthesis of leucoside by enzymatic hydrolysis of tea seed extract.[Pubmed:22777867]
J Sci Food Agric. 2013 Jan;93(2):362-7.
BACKGROUND: The application of tea seed extract (TSE) has been widely investigated owing to its biological activities. In this paper, two flavonol triglycosides found in TSE, camelliaside A (CamA) and camelliaside B (CamB), were subjected to hydrolysis in the presence of three commercial enzyme complexes of the Pectinex(R) series, 5XL, XXL and Ultra SP-L (Ultra). RESULTS: XXL and 5XL induced stepwise deglycosylation of CamA and CamB to yield kaempferol diglycoside (nicotiflorin), kaempferol monoglycoside (astragalin) and kaempferol, while Ultra produced an additional new compound (1) that had not been observed in earlier studies. Upon hydrolysis of isolated CamA and CamB, compound (1) was obtained only from CamB. Both the molecular ion peak in liquid chromatography/mass spectrometry and the (1)H and (1)(3)C nuclear magnetic resonance spectra of (1) isolated by Ultra-induced hydrolysis of TSE indicated that (1) was kaempferol 3-O-beta-xylopyranosyl (1 --> 2)-beta-glucopyranoside (Leucoside), formed by selective hydrolysis of the rhamnosyl moiety of CamB. CONCLUSION: Pure Leucoside can be prepared by enzymatic partial hydrolysis of TSE. This is the first study to address the synthesis of pure Leucoside from a natural source.
