This section is from the book "A Practitioner's Handbook Of Materia Medica And Therapeutics", by Thos. S. Blair. Also available from Amazon: A Practitioner's handbook of Materia Medica and Therapeutics.
Jambul, Syzygimn Jambolanum. The seed of this tree possesses an inhibitory influence upon diastasic fermentation, and its administration in saccharine diabetes is followed by a reduction in the sugar eliminated. Aside from this action it increases renal blood pressure, stimulates respiration and intestinal peristalsis, and is non-toxic in very considerable doses. It is a remedy highly esteemed by intelligent physicians in India and recently taken up by American homeopathists who confirm the statements of these gentlemen. The powdered seeds are given in 5 to 10 gr. doses three or four times a day. It acts best in chronic cases in which only a moderate amount of sugar is found, and it also exerts a healing influence upon diabetic ulcers. A good fluidextract is on the market.