Optimisation of microalgal cultivation via nutrient-enhanced strategies: the biorefinery paradigm

Table 1 Biomass, starch, and lipid concentrations in C. reinhardtii at t = 192 h

Treatment	Biomass gC L⁻¹		Starch gC L⁻¹		Starch %		Lipids gC L⁻¹		Lipid %
(TAP)	0.318	–	0.0179	–	5.6%		0.0448	–	14.1%
(Low P: Low N)	0.247	*	0.0414	***	16.8%	***	0.0436		17.7%
(Low N)	0.281		0.0473	***	16.8%	***	0.0596	*	21.2%	***
(Med N)	0.305		0.0309	***	10.1%	*	0.0566		18.6%	*
(Low P)	0.267		0.0302	***	11.3%	**	0.0415		15.6%
(Med P)	0.294		0.0208		7.1%		0.0419		14.3%
(Low A)	0.259		0.0128		4.9%		0.0383		14.8%
(High A)	0.390	*	0.0220		5.6%		0.0666	***	17.1%
(High A+)	0.414	**	0.0380	***	9.2%		0.0758	***	18.3%
(High A: Low N−)	0.234	*	0.0536	***	22.9%	***	0.0479		20.5%	**
(High A: Low P)	0.372		0.0304	***	8.2%		0.0620	**	16.7%
(High N++)	0.168	***	0.0141		8.4%		0.0242	***	14.4%
(High P++)	0.294		0.0155		5.3%		0.0431		14.7%
(High A++)	0.294		0.0178		6.1%		0.0421		14.3%

Asterisks (*) denote significant differences (p < 0.05*, 0.01**, 0.001***) with respect to (TAP), as per one-way ANOVA. Data are the mean of two independent biological replicates

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