Abstract
Infertility is defined as inability of a couple to get a pregnancy after a year of regular intercourse without the use of contraceptive methods. The infertility of a couple caused by male factor only is related to 20-30% of cases of infertility. Causes of male infertility may be testicular or posttestic, and may be caused by: duct obstruction or ejaculatory disorders; genetic alterations, such as some syndromes (Klinefelter, XX or XYY man syndrome); by external factors of the human body, in other words, environmental factors such as exposure to radiation (radiation and chemotherapy), toxic chemical agents, such as solvents, pesticides and metals such as lead and manganese; occupational diseases, stress, heat exposure in some professions; by the exacerbated consumption of legal and illegal drugs; or idiopathic (with no apparent cause).
Highlights
Infertility, which affects about 15% of couples, is defined as the inability of a couple to get a pregnancy after a year of regular intercourse without the use of contraceptive methods [1]
This research was carried out through a literature review of the last 38 years, with emphasis on studies published since the year 2000, of published works referring to male infertility and the use of carotenoids in the treatment of it. 43 Scientific articles found on websites such as PubMed, Scielo, Elsevier and LILACS were reviewed and of these 43, 26 were selected for the development of the project in order to observe the benefits and possible adverse reactions resulting from the ingestion of carotenoids to improve the seminal quality and reduction of infertility, considering its antioxidant potential
According to data from the literature, it has been observed that some carotenoids have antioxidant action or they develop active roles in male fertility in a significant way, which are lycopene, lutein, pro-vitamin A carotenoids, astaxanthin and crocin (Table 1)
Summary
Infertility, which affects about 15% of couples, is defined as the inability of a couple to get a pregnancy after a year of regular intercourse without the use of contraceptive methods [1]. Free Radical is any and all molecules that contain unpaired electrons in their outer orbitals, highly capable of reacting with any compound, becoming highly oxidizing and reducing. These causes make the intake of foods containing antioxidants, such as lycopene, an important ally for these free radicals do not cause the destruction of cells [3,4]. Oxidative substances are associated with normal physiological function. When infertility results from low seminal quality, it is often due to overproduction of these oxidative substances in semen (especially nitric oxide) [5]
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