Research Article

The Composition Analysis of Maca (Lepidium meyenii Walp.) from Xinjiang and Its Antifatigue Activity

Figure 3

Effect of Xinjiang maca on serum urea nitrogen content (C, control; LMT, low-dose maca-treated group; MMT, medium-dose maca-treated group; HMT, high-dose maca-treated group. Each value represents the mean ± SD (). Different letters indicate significant differences among groups ()).