Investigation of chemomarkers of astragali radix of different ages and geographical origin by NMR profiling.

Molecules · 2015 · PMC6272454 · PMID 25690295

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a clear trendno p-value reported

However, OPLS modeling using age as a Y data set showed a clear trend in the OPLS component 1, revealing which metabolites are influenced by ages ( Figure 6 a).

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