Historical Events

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Dr Rollo mentions that eating rhubarb for 4 days straight results in a yellow color in the blood. Rhubarb is packed with oxalate.

December 4, 1798

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Cases of the Diabetes Mellitus

John Rollo

Vegetable Produce
Oxalates
Type 2 Diabetes
Type 1 Diabetes

W. Rhubarb was given, by Doctor Wittman, to a patient for four days; a portion of blood was then taken from the arm, and the serum was, as well as the urine, evidently tinged with its yellow

colour, staining linen.


(Rhubard is high in oxalates)