“…Sweet potato (Ipomoea batatas Lam), belonging to the family of Convolvuceae, is ample food material cultivated in many countries, and ranks the sixth most-cultivated crops worldwide (Abegunde, Mu, Chen, & Deng, 2013;Lai, Wang, & Gao, 2016). Starch is the main component of sweet potato and takes up 50% 80% proportion of the dry weight (Lai et al, 2016), and is broadly used in noodles, bread, cookies, and so on (Monthe et al, 2019;Yadav, Yadav, Kumari, & Khatkar, 2014). However, native sweet potato starch (SPS) exhibits higher peak viscosity, intolerance of shear, poor freeze-thaw stability, and easy retrogradation, which could not meet the requirements of SPS-based food products (Hoover, 2001;Hung & Morita, 2005).…”