No.

Weight of tea saponin in first/mg

Additive amount/mg

Determination weight of tea saponin /mg

Recovery rate/%

1

0.200

0.153

0.338

90.2

2

0.200

0.205

0.397

96.1

3

0.200

0.252

0.441

95.6

4

0.200

0.294

0.463

89.5

5

0.200

0.345

0.537

97.7