Liquidambaric lactone
Liquidambaric lactone may have inhibitory HIV-1 reverse transcriptase activity.
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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.
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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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Natural Product Research & Development, 2011 , 23 (1) :25-29.
Roots of Lantana camara:Chemical Constituents and HIV-1 Reverse Transcriptase Inhibitory Activity[Reference:
WebLink]
METHODS AND RESULTS:
Among the 25 fractions obtained from the alcohol extractive of the roots of Lantana camara L.(Verbenaceae) by silica gel column chromatography,three fractions demonstrated inhibitory HIV-1 reverse transcriptase activity.Furthermore,six pentacyclic triterpenes were isolated by reduced pressure column chromatography and identified as oleanonic acid(1),Liquidambaric lactone(2),lantadene A(3),lantadene B(4),oleanolic acid(5),and 25-hydroxy-oleanolic acid(6) by spectral analysis.
Compounds 2 and 6 were reported firstly in the plants of Verbenaceae family,and the structure of 6 was confirmed firstly by X-ray crystallography.
《ACTA PHARMACEUTICA SINICA》 1996-06
STRUCTURE ELUCIDATION OF LIQUIDAMBARIC LACTONE[Reference:
WebLink]
A new triterpene lactone,named Liquidambaric lactone,was isolated fromLiquidambar formoana. Its structure was elucidated and characterized on the basis of IR,MS,￣1H and￣(13)CNMR coloc spectral data and Xray diffraction analysis.
