Physalin X exhibited inhibitory activities on NO production with IC50 values of 68.50μM.
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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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Unprecedented 22,26-seco physalins from Physalis angulata and their anti-inflammatory potential[Pubmed: 28991309
Two novel physalins, including a 22,26-seco physalin, Physalin X (1), and a 11,15-cyclo-9(10),14(17),22(26)-triseco physalin with an unprecedented aromatic ring, aromaphysalin B (2), were isolated from Physalis angulata L. Their structures were determined by IR, UV, HRESIMS, and 2D NMR spectra as well as theoretical calculations. Compounds 1 and 2 exhibited inhibitory activities on NO production with IC50 values of 68.50 and 29.69 μM, respectively. A plausible biosynthetic pathway for 2 is also discussed.
Indian J Exp Biol . 1979 Jul;17(7):690-1
Abortifacent activity of Physalin--X[Pubmed: 511239