Eucalyptolic acid
Eucalyptolic acid is a natural product from Eucalyptus globulus.
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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 Medica, 1997 , 63 (01) :47-50.
Isolation and Structural Elucidation of Acylated Pentacyclic Triterpenoids from the Leaves of Eucalyptus camaldulensis var. obtusa[Reference:
WebLink]
METHODS AND RESULTS:
Ten pentacyclic triterpenoids including two new constituents, eucalyptic acid and Eucalyptolic acid, and eight known compounds (ursolic acid lactone, betulinic acid, oleanolic acid, ursolic acid, 3 beta-O-cis-p-coumaroylalphitolic acid, alphitolic acid, 3 beta-O-trans-p-coumaroylalphitolic add, and 3 beta-O-trans-p-coumaroylmaslinic acid) have been isolated from the fresh and uncrushed leaves of Eucalyptus camaldulensis var. obtuse. Their structures were elucidated through detailed 1D and 2D NMR studies. The new natural products were characterized as 2 alpha-hydroxy-3 beta-E-feruloyloxy-lup-20(29)-en-28-oic acid and 2 alpha-hydroxy-3 beta-E-feruloyloxy-olean-12-en-28-oic acid, respectively.
CONCLUSIONS:
Except for oleanolic acid, all the known compounds are hitherto unreported from this plant. This is the first report of the isolation of 2-oxygenated 3-O-acylated triterpenoids from Eucalyptus genus.
