One of the promising and developing areas of modern medicine and pharmacy is turning to food plants as a source of biologically active compounds. Plant biologically active substances are well absorbed by the body,being involved in many vital processes, have broad pharmacological activity, low toxicity, and are milder than synthetic drugs. Such food plants that are promising for scientifically based use as raw materials and application in scientific pharmacy include papaya (Carica papaya L.). According to electronic databases including Scopus, Google Scholar, Web of Science, and PubMed, there are many in vivo and in vitro studies, the main results of which show that papaya leaf extract has antibacterial, immunomodulatory, antioxidant, antitumor, hypoglycemic, and anti-inflammatory properties [1, 2]. The pharmaceutical industry of foreign countries produces more than 100 papaya-based medicines, widely used in various fields of medicine. In our country, it remains little studied, since there is no raw material base. However, this tropical plant is perfectly cultivated in warm greenhouses, grows quickly, and has a large mass of raw materials. Papaya leaves and fruits are a source of biologically active compounds and a promising type of medicinal plant raw material for medicine and pharmacy. In addition, the introduction of plants that are analogues of imported plant raw materials valuable for practical use, including Carica papaya L., is currently relevant [2].
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