Fig. 5.

Injection of 50% dextrose or 50% mannose decreased Na⁺ excretion. A: rats were injected ip with 1 ml of water, dextrose+insulin, or dextrose alone. B: rats were injected with 1 ml water or mannose. Urine was collected over two 2-h periods. *Statistical significance (P < 0.05 vs. control values).