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Table 1 Effects of maca extract, Chinese chive extract and combined extracts on sexual behaviour in mice (mean ± SD)

From: Effects of combined extracts of Lepidium meyenii and Allium tuberosum Rottl. on erectile dysfunction

Groups Mount latency (s) Ejaculation latency (s) Mount frequency (s) Ejaculation frequency (s)
Group 1 (control) 393.90 ± 116.62 493.00 ± 92.53 4.70 ± 1.34 2.20 ± 1.14
Group 2 (maca root extract, 200 mg/kg/d, b.w.) 311.00 ± 112.85 509.70 ± 117.59 6.30 ± 1.42 2.10 ± 1.20
Group 3 (Chinese chive extract, 200 mg/kg/d, b.w.) 302.90 ± 83.08 499.40 ± 138.98 5.90 ± 1.20 2.50 ± 0.71
Group 4 (combined extracts, 200 mg/kg/d, b.w.) 282.50 ± 92.04 459.80 ± 108.39 6.60 ± 2.07* 3.50 ± 0.99*
Group 5 (Viagra, 14 mg/kg once prior to the mating experiment) 251.90 ± 71.90* 381.30 ± 92.91 7.60 ± 0.70** 3.50 ± 0.97*
  1. *P < 0.05, **P < 0.01 vs control