Effect of Diacylglycerol Oil on Risk Factors of Type 2 Diabetes and Complicating Disease, and Mechanism

Inclusion Criteria: 1. Type 2 diabetic patients, blood sugar levels were stabilized between 7.0-10.0 mmol/L 2. Male, aged 40 - 70 years old, Female, aged post-menopausal - 70 years old. 3. Overweight/obese patients (BMI 25 - 40 kg/m2) 4. Currently under diet therapy for diabetes mellitus 5. Understands the procedures and willing to participate in the study Exclusion Criteria: 1. Patients who unwilling to give informed consent 2. Type 1 diabetic patients 3. Familial hyperlipemia patients or blood triacylglycerol concentration \> 400 mg/dl 4. Patients with a history of cardiovascular disease and/or arteriosclerotic disease 5. Patients with a history of cerebrovascular disease 6. Patients with serious hepatic disease and/or renal disease 7. Patients with malignancy 8. Participation in another clinical study within 30 days prior to screening period. 9. Has a condition the doctor in charge believes would interfere with evaluation of the subject, or may put subject at undue risk