Quantitative comparative analysis of the bio-active and toxic constituents of leaves and spikes of Schizonepeta tenuifolia at different harvesting times.

Int J Mol Sci · 2011 · PMC3210999 · PMID 22072908

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a slightly increasing trendno p-value reported

The content of (+)-pulegone, a main toxic constituent, obviously decreased from the growing stage to the stage of fruitage in ST leaves, but it showed a slightly increasing trend from the spikes’ formation stage to the stage of fruitage in ST spikes.

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