Rice Bran Treatment for Hypercalciuric Patients with Urinary Calculous Disease

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Abstract
The efficacy of rice bran in hypercalciuric patients with urinary calculous disease was reported. After the administration of defatted rice bran at a dosage of 20 gm daily for 4 wk urinary Ca excretion was reduced significantly from 402 .+-. 102 to 291 .+-. 123 mg/24 h. In 6 patients who showed a reduction of urinary Ca excretion an increase in urinary Ca excretion was observed 4 wk after stopping the administration. All 7 patients who previously received defatted rice bran were given processed or rice bran free of phytin at a dosage of 20 gm daily. The value of urinary Ca excretion increased again during the administration of processed rice bran but was less marked than that of the preceding 6 patients. Although it is interesting to debate whether the influence of rice bran on the urinary Ca excretion depends on the action of phytin or of other constituents defatted rice bran should be effective in reducing urinary excretion of Ca. These results would come up to the expectations of the patients with recurrent urinary calculous disease.