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• W4280491359 endingPage "3164" @default.
• W4280491359 startingPage "3164" @default.
• W4280491359 abstract "Androstenedione (AD) is a key intermediate in the body's steroid metabolism, used as a precursor for several steroid substances, such as testosterone, estradiol, ethinyl estradiol, testolactone, progesterone, cortisone, cortisol, prednisone, and prednisolone. The world market for AD and ADD (androstadienedione) exceeds 1000 tons per year, which stimulates the pharmaceutical industry's search for newer and cheaper raw materials to produce steroidal compounds. In light of this interest, we aimed to investigate the progress of AD biosynthesis from phytosterols by prospecting scientific articles (Scopus, Web of Science, and Google Scholar databases) and patents (USPTO database). A wide variety of articles and patents involving AD and phytosterol were found in the last few decades, resulting in 108 relevant articles (from January 2000 to December 2021) and 23 patents of interest (from January 1976 to December 2021). The separation of these documents into macro, meso, and micro categories revealed that most studies (articles) are performed in China (54.8%) and in universities (76%), while patents are mostly granted to United States companies. It also highlights the fact that AD production studies are focused on process improvement techniques and on possible modifications of the microorganism involved in biosynthesis (64 and 62 documents, respectively). The most-reported process improvement technique is chemical addition (40%), which means that the addition of solvents, surfactants, cofactors, inducers, ionic liquids, etc., can significantly increase AD production. Microbial genetic modifications stand out in the microorganism category because this strategy improves AD yield considerably. These documents also revealed the main aspects of AD and ADD biosynthesis: Mycolicibacterium sp. (basonym: Mycobacterium sp.) (40%) and Mycolicibacterium neoaurum (known previously as Mycobacterium neoaurum) (32%) are the most recurrent species studied. Microbial incubation temperatures can vary from 29 °C to 37 °C; incubation can last from 72 h to 14 days; the mixture is agitated at 140 to 220 rpm; vegetable oils, mainly soybean, can be used as the source of a mixture of phytosterols. In general, the results obtained in the present technological prospecting study are fundamental to mapping the possibilities of AD biosynthesis process optimization, as well as to identifying emerging technologies and methodologies in this scenario." @default.
• W4280491359 created "2022-05-22" @default.
• W4280491359 creator A5020743951 @default.
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• W4280491359 creator A5042482377 @default.
• W4280491359 creator A5050427663 @default.
• W4280491359 creator A5060578712 @default.
• W4280491359 creator A5085071129 @default.
• W4280491359 date "2022-05-15" @default.
• W4280491359 modified "2023-09-30" @default.
• W4280491359 title "Biotransformation of Phytosterols into Androstenedione—A Technological Prospecting Study" @default.
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