Camelliaside B
Camelliaside B is a natural product from Camellia oleifera Abel.
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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.
Plant Cell Tiss Org2020, 1-16
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Forensic Sci Int.2022, 341:111475.
Anat Rec (Hoboken).2021, 304(2):323-332.
J Biomed Sci.2020, 27(1):60.
J Ethnopharmacol.2023, 313:116534.
Mol Pharm.2017, 14(9):3164-3177
The Catharanthus Genome2022,35-83.
Pharmaceuticals (Basel).2024, 17(3):341.
Drug Des Devel Ther.2020, 14:5189-5204.
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J Sci Food Agric. 2011 Oct;91(13):2315-21.
Isolation and anti-inflammatory effect of astragalin synthesized by enzymatic hydrolysis of tea seed extract.[Pubmed:
21567414 ]
The application of tea seed extract (TSE) has been widely investigated because of its biological activities. In this paper, two flavonol triglycosides in TSE-camelliaside A (CamA) and Camelliaside B (CamB)-were subjected to hydrolysis in the presence of two commercial enzyme complexes (Pectinex™ series): Smash and Mash.
METHODS AND RESULTS:
Smash hydrolyzed only the xylosyl moiety of CamB, and the main product was kaempferol diglycoside (nicotiflorin, NF). On the other hand, Mash induced the hydrolysis of both CamA and CamB, and kaempferol monoglycoside (astragalin, AS) was found to be a main product. Pure AS with > 96% purity was prepared by enzymatic hydrolysis of TSE using Mash, and the chemical structure of AS was confirmed by (1)H- and (13)C-nuclear magnetic resonance analyses. The prepared pure AS showed anti-inflammatory activities by significantly inhibiting cellular nitrite oxide (IC(50) = 363 μg mL(-1)), prostaglandin E(2) (IC(50) = 134 μg mL(-1)) and interleukin-6 production (IC(50) = 289 μg mL(-1)) by lipopolysaccharide -stimulated RAW 264.7 cells.
CONCLUSIONS:
It was concluded that pure AS can be prepared by enzymatic partial hydrolysis of TSE and employed as an anti-inflammatory material. This is the first study to address the preparation of pure AS from natural sources.
J Agric Food Chem. 2010 Apr 28;58(8):4808-13.
Isolation and characterization of nicotiflorin obtained by enzymatic hydrolysis of two precursors in tea seed extract.[Pubmed:
20225859 ]
Two flavonol triglycosides, camelliaside A (CamA) and Camelliaside B (CamB), of tea seed extract (TSE) were subjected to enzymatic hydrolysis.
METHODS AND RESULTS:
Among five kinds of glycosidases investigated, beta-galactosidase (Gal) induced selective hydrolysis of CamA. On the other hand, pectinase (Pec) and cellulase (Cel) induced hydrolysis of CamB. For Gal and Pec, only kaempferol diglycoside (nicotiflorin, NF) was produced; on the other hand, significant amounts of kaempferol monoglycoside (astragalin, AS) and kaempferol (KR) were also detected for Cel. The combination of the use of Gal and Pec in the enzymatic hydrolysis of TSE afforded NF with high specificity.
Crude NF with 22% purity was recovered from the enzymatic reaction mixture by extraction with organic solvent, and pure NF with >95% purity was obtained by crystallized in water.
The chemical structure of NF was confirmed by (1)H and (13)C NMR analyses.
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