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Lepidium meyenii, a Peruvian plant growing over 4000 m.a.s.l., has effects on nutrition and fertility. The purpose of this study was to evaluate the sperm count in 105 male mice receiving boiled aqueous extract of yellow maca hypocotyls from dif[...]texto impreso
Lepidium meyenii, known as maca, is a popular nutraceutical food which is grown over 4,000 m above sea level in the Peruvian central highlands. Maca contains alkaloids, but there are no studies on their biological effects. The butanol fraction o[...]texto impreso
Zevallos-Concha, A. ; Nunez, D. ; Gasco, M. ; Vasquez, C. ; Quispe, M. ; Gonzales, G. F. | Taylor & Francis | 2019-02-06T14:57:42ZThis study was performed to determine the effects of gamma irradiation on UV spectrum on maca, total content of polyphenols, 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging activities and in vivo biological activities of red and black ma[...]texto impreso
Populations living at high altitudes (HA), particularly in the Peruvian Central Andes, are characterised by presenting subjects with erythrocytosis and others with excessive erythrocytosis (EE)(Hb> 21 g dl(-1) ). EE is associated with chronic mo[...]texto impreso
Yucra, S. ; Tapia, V. ; Steenland, K. ; Naeher, L. P. ; Gonzales, G. F. | Elsevier | 2020-06-10T18:11:31ZBACKGROUND: Exposure to pollution from biomass fuel has been associated with low birthweight in some studies. Few studies have included exposure-response analyses. METHOD: We conducted a case-control study of biomass fuel use and reproductive o[...]texto impreso
Lembe, Dieudonne Massoma ; Gasco, Manuel ; Gonzales, G. F. | Emanuscript Services | 2020-06-10T18:12:21ZBACKGROUND: Lepidium meyenii is a plant, which has been used in folk medicine to treat infertility and to increase sexual desire. However, few reports have investigated the administration of this plant with other plants having the same properti[...]texto impreso
Tapia, V. ; Steenland, K. ; Sarnat, S. E. ; Vu, B. ; Liu, Y. ; Sanchez-Ccoyllo, O. ; Vásquez, V. ; Gonzales, G. F. | Springer Nature | 2019-12-06T21:02:55ZINTRODUCTION: There have been no time-series studies of air pollution in Peru. Here we evaluate the effect of ambient PM2.5 on emergency room (ER) visits in Lima. METHODS: We estimated daily PM2.5 levels at a 1 km(2) resolution during
