saponin vaccine adjuvant
QS-21 vaccine adjuvant
A saponin vaccine adjuvant that is composed of extracts from the bark of the Quillaja saponaria Molina tree. Specifically, it is an acylated 3, 28-bisdesmodic triterpene glycosides (1,3) or “saponin” with a molecular formula of C92O46H148 and molecular weight of 1990 Da. QS-21 is one of the active fractions of the bark of Chilean tree, Quillaja saponaria, purified using a reverse-phase chromatography (RP-HPLC).
QS-21
Stimulon™ QS-21 Adjuvant
Samantha G. Sayers
Randi Vita
PMID:27213168
PMID:7551218
Oliver He