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Page 40 of 50                      Siddiqui et al. Chem Synth 2023;3:25  https://dx.doi.org/10.20517/cs.2023.02

























                                   Figure 68. Biotransformation of physalin H (373) with Cunninghamella elegans.























                                  Figure 69. Biotransformation of pregnenolone (377) with Cunninghamella elegans.
























                                   Figure 70. Biotransformation of pregnenolone (377) with Gibberella fujikuroi.

               pregnenolone (384) (4.0%), androsta-1, 4-diene-3, 17-dione (385) (2.04%), 6β,15β-dihydroxyandrost-4-ene-
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