Die Alkoholkomponente des Bacteriochlorophyll a aus Rhodospirillum rubrum

The esterifying alcohol of the bacteriochlorophyll a from Rhodospirillum rubrum was shown to be trans-trans-geranylgeraniol. Mass spectra of the corresponding bacteriopheophytins are used to determine the content and ratio of bacteriochlorophyll aP and bacteriochlorophyll aGg in various strains of phototrophic bacteria.