ASOZU (WEAK COMMON SALT SPRING), HAMAMURA (SULPHATED BITTER SPRING), KAlKE (CALCIUM CHLORIDE CONTAINING SALINE SPRING) AND FUJINO (ACID ALUM VITRIOL SPRING) SPRING WATERS AND THE ALIMENTARY HYPERGLYCEMIA
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森永 寛 岡山大学温泉研究所内科
There are many experimental reports and clinical observations about the internal use of thermal waters on carbohydrate metabolism, and alkaline springs, alkaline common salt springs and sulphur springs are used for the balneological therapy of diabetic patients. The author reported that the internal use of the radon springs of Japan, such as Misasa, Ikeda and Masutomi thermal waters promoted the action of insuline and inhibited the experimental hyperglycemia in rabbits, and he suggested that these radioactive waters also would be able to utilize for the diabetic treatment. On the other hand, trace elements such as Cu, Zn and Mn have protective effects against disturbed carbohydrate metabolism of diabetic body. Some thermal waters contain these trace elements in various degrees, and Oshima & Ashizawa observed that after the drinking of Fujino mineral water the iron, copper, nickel and cobalt content in blood rose temporarily. In this report, the author investigated the influence of the drinking of Asozu (weak common salt spring), Hamamura (sulphated bitter spring), Kaike (calcium chloride containing saline spring) and Fujino (acid alum vitriol spring) Spring waters upon the alimentary hyperglycemia in rabbits. Thirty ml. of 10% glucose solution in thermal water (Fujino Water was diluted twice with plain water) or in plain water per kg. of bodyweight was administered to the rabbit by stomach tube and blood sugar level was determined before, 1/2, 1, 2, 3 and 4 hours after the administration. The results were as follows: 1. The drinking of Asozu Spring water inhibited the alimentary hyperglycemia compared with the plain water as a control. 2. Hamamura Spring had a tendency to decrease the blood sugar level. 3. Kaike Spring water had no inhibitory a.ction upon the alimentary hyperglycemia. 4. In spite of the existence of trace elements, Fujino mineral water had no significant effect. The author supposed that this was due to its high acidity.
Institute for Thermal Spring Research, Okayama University
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