Dehydroperilloxin
Dehydroperilloxin possesses inhibitory activity against cyclooxygenase-1, with the IC(50) value of 30.4 microM.
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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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J Nat Prod. 2000 Mar;63(3):403-5.
Two new prenylated 3-benzoxepin derivatives as cyclooxygenase inhibitors from Perilla frutescens var. acuta.[Pubmed:
10757731]
Two novel prenyl 3-benzoxepin derivatives, perilloxin (1) and Dehydroperilloxin (2), were isolated from the dichloromethane extract of the stems of Perilla frutescens var. acuta.
METHODS AND RESULTS:
Their structures were elucidated as (-)-(R)-5-methoxy-2,3-dihydrofuro[2, 3-g][3]benzoxepin and 5-methoxyfuro[2,3-g][3]benzoxepin, respectively, based on UV, MS, (1)H and (13)C NMR, NOE, (1)H-(13)C COSY, and HMBC spectral data. They were isolated following bioassay-guided fractionation, using an in vitro cyclooxygenase-1 test.
CONCLUSIONS:
Compounds 1 and 2 possess inhibitory activities, with IC(50) values of 23.2 microM and 30.4 microM, respectively.
