Glucosyringic acid
Glucosyringic acid has immunosuppressive effect, it can inhibit the proliferation of murine B lymphocytes in vitro.
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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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Planta Med. 2003 May;69(5):434-9.
Diterpenoid and phenolic glycosides from the roots of Rhododendron molle.[Pubmed:
12802725 ]
METHODS AND RESULTS:
Two new grayanane diterpenoid glucosides, rhodomosides A (1), B (2) and two new phenolic glycosides 3, 4 together with a known Glucosyringic acid (5) were isolated from the roots of Rhododendron molle G. Don (Ericaceae). Their structures were elucidated on the basis of spectral analysis.
CONCLUSIONS:
Compounds 3, 4 and 5 were found to inhibit the proliferation of murine B lymphocytes in vitro, while compound 3 also showed stimulatory activity on the proliferation of murine T lymphocytes in vitro.
Zhong Yao Cai. 2014 May;37(5):807-11.
Chemical constituents of Eucommia ulmoides.[Pubmed:
25335288]
To study the chemical compositions of Eucommia ulmoides.
METHODS AND RESULTS:
The compounds were isolated and purified from Eucommia ulmoides by silica gel column chromatography, Sephadex LH-20, MPLC packed with MCI gel and semi-preparative HPLC. The structures of these compounds were established on the basis of spectral analyses (1H-NMR, 13C-NMR and MS).
Thirteen compounds were obtained,and their structures were identified as betulin (1), syringin (2), pervoside A (3), Glucosyringic acid (4), vanillic acid-beta-glucoside (5), geniposide acid (6), aucubin (7), geniposide (8), pinoresinol-4,4'-di-O-beta-D-glucopyranoside (9), syringaresinol di-O-beta-D-glucopyranoside (10), medioresinol di-O-beta-D-glucopyranoside (11), sucrose (12), and ethyl beta-glucopyranoside (13) on the basis of physical characteristics and spectral data.
CONCLUSIONS:
Compounds 3 - 5, 12 and 13 are isolated from this plant for the first itme.
