International Scholarly Research Notices

Research Article

Influence of Different Cultural Conditions on Photoproduction of Hydrogen by Rhodopseudomonas palustris KU003

Table 3

Effect of nitrogen sources on hydrogen production (mL/15 mL vessel) by R. palustris under anaerobic light.


Nitrogen source		Incubation period (in hrs)
Nitrogen source		24	48	72	96	120	144	166	192

Potassium nitrate	R	—	—
Potassium nitrate	G	—	—						—
Sodium nitrate	R	—	—					—	—
Sodium nitrate	G
Ammonium chloride	R	—	—	—	—	—	—	—	—
Ammonium chloride	G	—	—	—	—	—	—	—	—
Urea	R	—	—	—	—		—	—	—
Urea	G	—	—						—
Thiourea	R	—	—	—	—	—			—
Thiourea	G	—	—	—					—
Glycine	R		—	—				—	—
Glycine	G	—	—						—
L-asparagine	R	—	—					—	—
L-asparagine	G	—
L-aspartic acid	R	—	—						—
L-aspartic acid	G
L-glutamic acid	R	—	—						—
L-glutamic acid	G
L-glutamine	R	—	—	—					—
L-glutamine	G	—
L-tyrosine	R	—	—						—
L-tyrosine	G
L-cystine	R	—	—						—
L-cystine	G
L-methionine	R	—	—	—				—	—
L-methionine	G	—	—						—
Nitrogen gas	R	—	—	—	—		—	—	—
Nitrogen gas	G	—	—					—	—

R: resting cells; G: growing cells; —: no hydrogen production.