Synonyms: PVPP; Polyvinylpyrrolidone, cross-linked
CAS No.: 9003-39-8; 25249-54-1 (alternate)
Features and Benefits: Complexes with phenolics and alkaloids for their removal from plant samples, thus preventing their modification of proteins and any interference they may cause in spectrophotometric determinations of protein content. This is also reported to improve stability of enzymes.