From: Preparation and properties of the specific anti-influenza virus transfer factor
Subject
batch
ABS 670 nm
RNA (mg/ml) (OD = 10)
Non-specific TF
1
0.155
0.455
2
0.094
0.303
Specific TF
0.169
0.489
0.173
0.500
TF sold
0.102
0.323