Diabetes mellitus (DM) is a chronic disease caused by inherited
or acquired deficiency in insulin secretion and by decreased
sensitivity of the organs to secreted insulin (Bhandari, Jong-
Anurakkun, Hong, & Kawabata, 2008). These shortcomings
results in postprandial hyperglycemia and attendant diabetic
complications such as hypertension, cardiovascular disease
and diabetic neuropathy. Diabetes mellitus is a chronic disease,
affecting millions of people worldwide. The prevalence
of this disease is increasing annually and the number of diabetics
is projected to rise above 300 million before 2025 (Bailey