Abstract
This study presents a phytochemical analysis of the leaves of Paramignya trimera, revealing the isolation of a new apotirucallane-type protolimonoid, identified as 25-O-methyl-1,2-dihydroprotoxylocarpin D (1), along with two known compounds (2 and 3). The known compounds were identified as (20S,21R,23R)-21,23-epoxy-7α,24,25-trihydroxy-21-O-methyl-3-oxoapotirucalla-14-ene (2) and 7α,24,25-trihydroxy-3-oxoapotirucalla-14-en-21,23-olide (3). The three apotirucallane-type protolimonoids (1–3) did not exhibit cytotoxicity against MCF-7 cells at a concentration of 100 µM. Interestingly, when MCF-7 cells were treated with compound 1 at various concentrations, a notable stimulatory response was observed, leading to a significant increase in cell viability, up to 127%.
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