Sample

Diosgenin (ng)

STD added (ng)

Total Conc.

Actual Conc.

% Recovery

Fresh tuber pwd

36813.57

100

36913.57

36909.75

96.18

Dried tuber pwd

63326.49

100

63426.49

63425

98.51

Fresh callus

4176.67

100

4276.67

4274.38