Objective: To evaluate the effect of a herbal preparation containing glucosinolates, phytosterols and citrus flavonoids (supplement) on body weight and metabolic parameters usually impaired by menopause. Methods: A pre-clinical experimental study carried out in twenty-five Swiss strain mice (Mus musculus) randomly distributed (1:1:1:1:1 ratio) to five groups to receive for ten weeks: (1) oral gelatinized maca extract 0.5625 mg/kg/day + bilateral ovariectomy (Maca + OVX); (2) oral supplement 0.5625 mg/kg/day + bilateral ovariectomy (S1 + OVX); (3) oral supplement 1.6875 mg/kg/day + bilateral ovariectomy (S2 + OVX); (4) oral saline 100 µl/kg/day + bilateral ovariectomy (OVX); and (5) oral saline 100 µl/kg/day + sham surgery (sham). The primary endpoint was change in body weight gain from baseline to final. Secondary endpoints were uterine weight and cholesterol, triglyceride, glucose, and glucose/triglycerides index values at the end of the study. A modified intention-to-treat analysis was performed through linear regression models and using the Bonferroni method to penalized p-values by multiple comparisons. Results: Twenty-three animals completed the study. There was a significant average difference in weight gain, with a greater reduction in the S2 + OVX group compared to the OVX group (difference= −3.5; 95% CI (–5.27; −1.74); p <.001). S2 + OVX group also displayed a significant average reduction of total blood cholesterol (difference: −16.94; 95% CI (–33.73; −0.15); p =.037). No significant effects of the supplement were found on other secondary endpoints. Conclusion: In this murine menopausal model, triple oral supplement dose resulted in an average reduction of weight gain and total cholesterol levels, suggesting that the compound could have a potential effect at regulating menopausal altered metabolism.
Bibliographical noteFunding Information:
This research was supported by Laboratorios Hersil S.A, Lima, Per?. The authors thank Dr. Luis Danckers for his suggestions in the writing of the manuscript and Dr. Stefano Malaga-Correa for presenting the preliminary analysis of this research as poster in the 10th European Congress on Menopause and Andropause (EMAS), Congress, 20?22 May 2015, Madrid Spain.
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- Lepidium Meyenii
- body weight
- citrus flavonoids