http://orcid.org/0000-0002-6030-3033
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ABSTRACT
Pollen, pit powder, and gemmule extract of the date palm are rich in flavonoids. Antioxidant characteristics of the flavonoids have a significant effect on prevention and treatment of infertility.
The aim of the present study was to review studies investigating the effects of pollen, pit powder, and gemmule extract of the date palm on male infertility.
Articles that were published about the topic between 2005 and 2016 were reviewed from different databases in Turkish and English. The search engines used included PubMed, Science Direct, Clinical Key, Google Scholar, Springer, Dergipark, Ulakbim, and Akademik Dizin.
The studies found that pollen, pit powder, and gemmule extract of the date palm created positive changes in hormone levels that have a role in male fertility and increased sperm motility and quality, spermatogenesis, and weights of testes and epididymis.
Date palm pollen, pit powder, and gemmule extract have a high antioxidant capacity because of phenolic formations in the composition. Such characteristics have a positive effect on prevention and treatment of male infertility. Furthermore, gonadotropic and steroidal compounds within date palm pollen play a role in treatment of male infertility. The limited number of studies conducted on this topic indicates that more research is needed.