Oyster (Crassostrea gigas) contains much amount of Zinc, Taurine. Glycogen and Nucleic acid and it is also used as the material of diet. Ohta et al. reported that the administration of oyster extract depressed the platelet aggregation and improved the blood glucose level in alloxan diabetic rats, and also de- pressed the human platelet aggregation in vitro.
Now it was reported about the influence of continuous administration of oyster extract tablets on the biochemical score of blood in Diabetes Mellitus patients. All the patients were grouped into three types, IDDM, NIDDM and Normal. And tablets of oyster extract were administered orally to each group for 7 months. Blood test was carried out once a month. Subjective symptom for patients condition and constipation were improved. On the otherhand, GOT, GPT and γ-GTP levels were improved in DM groups. And HbA1 score and blood glucose were improved in two DM patients. We conclude that the intake of oyster extract tablets might be available for the improvement of diabetes mellitus.
