Maximization of red pigment production from Streptomyces sp. LS1 structure elucidation and application as antimicrobial/antifouling against human pathogens and marine microbes

Journal of Genetic Engineering and Biotechnology

Table 3 Nitrogen sources and red pigment production by Streptomyces sp. LS1 strain

	Extracellular pigment conc. (mg%)	Intracellular pigment conc. (mg%)	Total (mg%)	Biomass (g%)
	Mean ± SD
Using organic nitrogen source
Y.E+Peptone	1.5552±0.09827	7.9543±0.1474	9.5095±0.0891	0.2598±0.0067
Y.E	2.2187±0.1833	11.1693±0.1398	13.3880±0.1322	0.2722±0.01431
Peptone	1.2986±0.0846	7.0138±0.0943	8.3124±0.0472	0.237±0.0098
Tryptone	1.0661±0.0759	5.0814±0.0843	6.1474±0.0583	0.236±0.0089
Beef-extract	ND	ND	ND	0.1664±0.0078
Malt-extract	ND	ND	ND	0.1726±0.0093
Using mixed nitrogen source (organic/inorganic at 1:2 ratio)
Y.E+KNO₃	1.250765	6.6718±0.0743	7.9225±0.0398	0.2468±0.0091
Y.E+NH₄NO₃	1.250765	7.0138±0.0941	8.2645±0.0593	0.2462±0.0097
Y.E+NH₄PO₄	1.134479	6.5521±0.0067	7.6865±0.0469	0.2382±0.0087
Y.E+NH₄H₂PO₄	1.021612	6.1074±0.0049	7.1290±0.0548	0.2378±0.0087