Production of Poly(3-Hydroxybutyrate) by Haloarcula, Halorubrum, and Natrinema Haloarchaeal Genera Using Starch as a Carbon Source

Figure 4

Chromatograms of PHA obtained from cultures of the isolates (a) CEJ34-14, (b) CEJ5-14, (c) CEJ48-10, and (d) PHB standard (Sigma). The peak at 4.4 min represents the 3-hydroxybutyrate methylester.

(a)

(b)

(c)

(d)