It was also stated that oral administration of terpenoid-rich jamun fruit extract reduced fasting hyperglycemia by 27.4%, and a notable increase in fasting insulin level (42%) was also observed in treated groups in comparison to streptozotocin, an antibiotic derived from Streptomyces achromogenes that selectively targets pancreatic cells and negatively affects insulin synthesis, induced diabetic group [48]. This evidence concerns the gene INS and Hyperglycemia.