Antioxidant activities of trypsin inhibitor, a 33 kDa root storage protein of sweet potato (Ipomoea batatas (L.) Lam cv. Tainong 57) - Hou,W.C.; Chen,Y.C.; Chen,H.J.; Lin,Y.H.; Yang,L.L.; Lee,M.H. (J Agric Food Chem, 2001)