SPDS 09052014

Fitness for Purpose

“Screening Method”

The method must be able to screen known and  unknown (unexpected) PDE5 inhibitors in various  dietary supplement matrices. 

Fitness for Purpose

“Identification/Determination Method”

The method must be able to identify known and unknown  (unexpected) PDE5 inhibitors in various dietary supplement  matrices. Ideally, the method should combine targeted and  non‐targeted approaches, with the ability to quantitate  PDE5 inhibitors for which reference standards are available.