Four spiroalkaloids, including a new compound shensongine A (1), were isolated from the anti-arrhythmic TCM formula Shensong Yangxin capsule. Their structures were determined on the basis of spectroscopic analysis. Compounds 1 and 3 displayed cardiovascular activities by shortened APD in rat myocardial cells. These compounds were possibly generated from precursors in different composed herbal medicines during the processing of the TCM formula.
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| http://dx.doi.org/10.1080/10286020.2015.1047354 | DOI Listing |
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