Suspension of cultured cells of Marchantia polymorpha have the potential to hydrogenate the olefinic bonds present in androst-1,4-dien-3,17-dione (boldione, 1) to afford dihydroandrost-3,17-dione derivatives including: androst-4-ene-3,17-dione (androstenedione, 4-AD, 2), 5α-androstane-3,17-dione