Lamalbid
Standard reference
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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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Phytochemistry. 2010 Oct;71(14-15):1690-4.
Biosynthesis of the iridoid glucoside, lamalbid, in Lamium barbatum.[Pubmed:
20656306]
METHODS AND RESULTS:
The biosynthesis of the iridoid glucoside Lamalbid in Lamium barbatum, a plant species in the Lamiaceae, was investigated by administrating (13)C-labeled intermediates of MVA and MEP pathways, respectively. The results demonstrated that [3,4,5-(13)C(3)]1-deoxy-D-xylulose 5-phosphate could be incorporated into Lamalbid, whereas the incorporation of [2-(13)C(1)]mevalonolactone was not observed.
CONCLUSIONS:
Based on the (13)C labeling pattern of Lamalbid and the incorporation data, we deduce that the iridoid glucoside in L. barbatum is biosynthesized through the MEP pathway, whereas the classic MVA pathway is not utilized.
Zhongguo Zhong Yao Za Zhi. 1999 Jan;24(1):40-1, 64.
Iridoid glycosides from Pedicula dicora Franch.[Pubmed:
12078153]
To study the components in the root of Pedicula dicora.
METHODS AND RESULTS:
Column chromatography with silica gel and polyamide was employed for the isolation and purification of ingredients. The structures were elucidated by spectral method.
Three iridoid glycosides were obtained and elucidated as mussaenoside, shanzhiside methyl ester and Lamalbid.
CONCLUSIONS:
All the three compounds were separated from P. dicora for the first time.
