Molecule of the Month
Tetracyclic Polyprenoids (TPPs) By Paul Farrimond
Two C30 tetracyclic polyprenoids (TPPs) are often seen as a characteristic doublet of peaks eluting after the C27-C29 diasteranes in the m/z 259 mass chromatogram from GC-MSÂ analysis of oils and source rocks (Holba et al. , 2000).