（1 College of Horticulture and Landscape，Hunan Agricultural University，Engineering Research Center for Potato of Hunan
Province，Changsha 410128，Hunan，China；2Institute of Vegetables and Flowers，Chinese Academy of Agricultural
Sciences，Beijing 100081，China）
Abstract：Potato steroidal glycoalkaloids is a toxic secondary metabolite．High content of steroidal
glycoalkaloids may cause bitter taste in potato，and excessive consumption by human being can lead
to toxication．This paper reviewed the kind，distribution，content and influence factors of steroidal
glycoalkaloids in potato，and regulation mechanism of its biosynthesis．The future research emphasis was also
prospected．
