1,260 Thik Sukree 2016-08-05 https://ndb.nal.usda.gov/ndb/foods/show/3207?fgcd=&man=&lfacet=&count=&max=35&sort=&qlookup=sweet+potato&offset=&format=Full&new=&measureby= United States Department of Agriculture (2018). Full Report (All Nutrients): 11507, Sweet potato, raw, unprepared (Includes foods for USDA's Food Distribution Program). Retrieved from https://ndb.nal.usda.gov/ndb/foods/show/3207?n1=%7BQv%3D1%7D&fgcd=&man=&lfacet=&count=&max=35&sort=&qlookup=sweet+potato&offset=&format=Full&new=&measureby=&Qv=1&ds=&qt=&qp=&qa=&qn=&q=&ing= Revised record 20.9.2019. Source of reference was collected by Thik Sukree on 12.11.2016.