title: Effect of hard Lewis acids on tannin synthesis in plants. I. Relationship between manganese and tannin in Acacia catechu.
mesh_terms: D000045:Acacia / Q000378:metabolism*; D002478:Cells, Cultured; D008345:Manganese / Q000378:metabolism; D013634:Tannins / Q000378:metabolism
chemical_list: D013634:Tannins; D008345:Manganese