Ganoderic acid GS-3
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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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Anti-human immunodeficiency virus-1 protease activity of new lanostane-type triterpenoids from Ganoderma sinense[Pubmed: 19801861
Five new highly oxygenated lanostane-type triterpenoids [ganoderic acid GS-1 (1), ganoderic acid GS-2 (2), Ganoderic acid GS-3 (3), 20(21)-dehydrolucidenic acid N (4) and 20-hydroxylucidenic acid A (5)] were isolated from the fruiting body of Ganoderma sinense, together with known compounds including 6 triterpenoids and 3 sterols. The structures of the new triterpenoids determined by spectroscopic means including 2D NMR were 7beta-hydroxy-3,11,15-trioxo-lanosta-8,24(E)-dien-26-oic acid (1), 7beta,15alpha-dihydroxy-3,11-dioxo-lanosta-8,24(E)-dien-26-oic acid (2), 12beta-acetoxy-3beta,7beta-dihydroxy-11,15-dioxo-lanosta-8,24(E)-dien-26-oic acid (3), 3beta,7beta-dihydroxy-11,15-dioxo-25,26,27-trinorlanosta-8,20-dien-24-oic acid (4), and 7beta,20xi-dihydroxy-3,11,15-trioxo-25,26,27-trinorlanost-8-en-24-oic acid (5), respectively. Among these, ganoderic acid GS-2, 20-hydroxylucidenic acid N, 20(21)-dehydrolucidenic acid N and ganoderiol F inhibited human immunodeficiency virus-1 protease with IC(50) values of 20-40 microM.