Primary metabolites in Cucumis melo L. and establishment of mice model of kidney stone formation. Lipids (A), proteins (B) and carbohydrates (C) in peel (brown bars) and pulp (black bars) of Cucumis melo L. serum creatinine (D), uric acid (E) and BUN (blood urea nitrogen) (mg/dL) (F) levels at day1 (grey bars) and day 10 (black bars) after intraperitoneal injections of ethylene glycol (0.75% V/V).