Sweet potato( Ipomoea batatas (L.) Lam.,) is the major industrial crop in Tamil nadu which are rich in antioxidants and lot of therapeutic application. The phytochemical components such as alkaloids, saponin, tannins, steroids, anthocyanins, flavonoids and anthroquinones were extracted using different solvents namely ethylacetate, methanol, chloroform and acetone. Specific antinutrients are extracted more in methanol and ethyl acetate solvents other than ethanolic extract. The oxalate and trypsin inhibitors were highly observed in sweet potato. Phytate was found to be 35 mg/100g of sweet potato. Cyanogenic glycosides and phlobatanins were absent in sweet potato and coumarin was extracted in sweet potato.