1-hydroxydihydropanaxacol (3) and 17-hydroxypanaxacol (4), were isolated from Panaxginseng hairy rootculture, along with dihydropanaxacol (1), panaxacol (2) and ginsenoyne D (5). Highly hydroxylated compounds 1-4 were isolated from the medium and compound 5, which was a biosynthetic precursor of compound 1, was isolated from the roots. Compounds 1-4 showed antimicrobial activity against Staphylococcus aureus,