Salidroside is a potent glycosides drug extracted from Rhodiola rosea L., which is formed by dehydration condensation reaction between uridine diphosphoglucose and tyrosol. Salidroside has the functions of anti-aging, anti-tumor, anti-fatigue, anti-radiation, enhancing immunity, protecting cardiovascular and so on. The supply of salidroside is far from enough in the international market, for the relatively low yield (0.01~0.6%, DW) of salidroside in wild-type Rhodiola rosea L., which greatly limits the comm...