TABLE 1.

PHB production from whey in flask cultures of various recombinant E. coli strains (pJC4)

E. coli strain	Cell concn (g/liter)	PHB concn (g/liter)	PHB content (wt%)
CGSC 4401	6.6	5.0	76
CGSC 2507	6.8	3.4	50
CGSC 3121	3.0	1.3	43
DSM 499	6.1	2.7	45
KCTC 2223	6.2	0.57	9.2