title: N-nitrosamides of natural origin.
mesh_terms: D001647:Bile Acids and Salts / Q000378:metabolism*; D007887:Fabaceae / Q000009:adverse effects*; D005770:Gastrointestinal Neoplasms / Q000139:chemically induced; D006801:Humans; D009153:Mutagens / Q000032:analysis / Q000378:metabolism*; D009603:Nitroso Compounds / Q000032:analysis / Q000633:toxicity*; D010946:Plants, Medicinal
chemical_list: D001647:Bile Acids and Salts; D009153:Mutagens; D009603:Nitroso Compounds; C013621:nitrosamides