Research Progress on the Preservation and Processing of Sweet Potato Leaves

Sweet potato is an important food crop in China.Its stems,leaves and petioles are rich in nutrients(collectively called sweet potato leaves),and have many physiological functions such as antioxidant,lipid-lowering,reducing cholesterol,hypoglycemic,anticancer and antibacterial functions.Therefore,the development and utilization of sweet potato leaf resources will help to play its value.To provide references for the full utilization of sweet potato leaf resources and related industrial development,the main problems and countermeasures for the preservation and processing of sweet potato leaves in China were discussed in this paper.