![]() If HPTLC profile does not match then DNA analysis.Identity of maca extract ( Lepidium meyenii, Walpers) by High Performance Thin Layer Chromatography (HPTLC).If DNA not present, then High Performance Thin Layer Chromatography (HPTLC). If DNA present, then semi-quantitative, gross determination of product contents by polarized light microscopy. Identity of maca ( Lepidium meyenii, Walpers) by DNA analysis.Determination of fill weight of products in capsule form.Whole herb preparations (including gelatinized preparations): Products were not accepted directly from manufacturers. purchased products on the open market through retail stores, on-line retailers, and direct sales or multi-level marketing companies. How Products were Selected: Products were selected to represent those commonly sold and/or available nationally in the U.S. ![]()
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