The Methyltetrahydro-β-Carbolines in Maca (Lepidium meyenii)
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چکیده
منابع مشابه
The Methyltetrahydro-β-Carbolines in Maca (Lepidium meyenii)
Maca, a plant native to the Peruvian highlands, contains (1R,3S)-1-methyl-1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid (MTCA). The family of the tetrahydro-beta-carbolines has been associated with both biologically helpful and harmful compounds. We present evidence that MTCA is a natural constituent of Maca, and on consumption no toxicity is found. This suggests that, when consumed as mu...
متن کاملNew alkamides from maca (Lepidium meyenii).
Maca (Lepidium meyenii) has been used as a food in Peru for thousands of years. More recently a wide array of commercial maca products have gained popularity as dietary supplements, with claims of anabolic and aphrodisiac effects, although the biologically active principles are not fully known. In an earlier chemical investigation, two new alkamides and a novel fatty acid, as well as the N-hydr...
متن کاملLepidium meyenii (Maca) improved semen parameters in adult men.
AIM The present study was designed to determine the effect of a 4-month oral treatment with tablets of Lepidium meyenii (Maca) on seminal analysis in nine adult normal men aged 24-44 years old. METHODS Nine men received tablets of Maca (1500 or 3000 mg/day) for 4 months. Seminal analysis was performed according to guidelines of the World Health Organization (WHO). Serum luteinizing hormone (L...
متن کاملRed maca (Lepidium meyenii) reduced prostate size in rats
BACKGROUND Epidemiological studies have found that consumption of cruciferous vegetables is associated with a reduced risk of prostate cancer. This effect seems to be due to aromatic glucosinolate content. Glucosinolates are known for have both antiproliferative and proapoptotic actions. Maca is a cruciferous cultivated in the highlands of Peru. The absolute content of glucosinolates in Maca hy...
متن کاملInvestigation of the tuber constituents of maca (Lepidium meyenii Walp.).
Lepidium meyenii, known in South America as maca, has received attention worldwide as a powerful energizer that improves physical and mental conditions and increases fertility. Because of these reports, we investigated the secondary metabolites of the tuber of maca. The methanol extract of the tuber of maca contained, in addition to free sugars and amino acids, the following: uridine, malic aci...
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ژورنال
عنوان ژورنال: Evidence-Based Complementary and Alternative Medicine
سال: 2009
ISSN: 1741-427X,1741-4288
DOI: 10.1093/ecam/nen041