The oxalate content of sweet potato leaf was found to be 48.6 mg/100 g. For urolithiasis patients, intake of this vegetable should be restricted.
Are sweet potato leaves high in oxalic acid?
Sweet potato leaves contain less oxalic acid than spinach, so blanching isn't essential. If you prefer to blanch the tips, simply pour boiling water over them and let stand for 2 minutes, strain off hot water & rinse immediately with cold water (to prevent over-cooking).
Is sweet potato leaves good for kidney stones?
Purple sweet potato leaves (Ipomea batatas Ver.) has been proven to have anti-lithiasis effects in vitro in treating kidney stone disease. This is due to the high content of potassium in the leaves.
How do you remove oxalates from sweet potatoes?
Because oxalates are water soluble, they can be reduced by blanching, boiling, or steaming with the liquid discarded.
Is it safe to eat sweet potato leaves?
The greens are edible raw, but are a bit strong in flavor. Try sautéing them in the place of spinach, adding them to stir-fries, or chopping them finely and adding them to salads. The sweet potato dates back to prehistoric times, likely originating in the tropical climates of Peru and Ecuador.
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