Anti-Diabetic Action of Cydonia oblonga Seed Extract: Improvement of Glucose Metabolism via Activation of PI3K/AKT Signaling Pathway Dan Tang1, Lian-Zhen Xie1, 2, Xue-Lei Xin1, and H. A. Aisa1* 1The Key Laboratory of Plant Resources and Chemistry of Arid Zone and State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and ...