Production and Characterization of Polyhydroxyalkanoates and Native Microorganisms Synthesized from Fatty Waste

Figure 6

Mass spectrum (GC/MS) of the methyl ester derivative of (a) commercial 3-hydroxybutyric acid (PHB); (b) polymeric extract obtained with B. megaterium glycerol; and (c) the extract obtained with B. megaterium waste frying oil.

(a)

(b)

(c)