. 2012 Aug 8;7(8):e38245. doi: 10.1371/journal.pone.0038245

Table 2. Mean concentration of photosynthetic pigments (n = 5) in U. prolifera and U. intestinalis, measured under different culture treatments: pre-bloom, bloom, and post-bloom.

Treatment	Chlorophyll a		Chlorophyll b		Chlorophyll
Species	24 h	7 d	24 h	7 d	24 h	7 d
*pre-bloom*
U. prolifera	0.352^a ±0.04	0.346^a ±0.061	0.157^a ±0.058	0.142^a ±0.006	0.479^a ±0.072	0.501^a ±0.058
U. intestinalis	0.217^bc ±0.07	0.199^c ±0.054	0.128^ab ±0.039	0.125^a ±0.037	0.354^b ±0.354	0.333^b ±0.091
*bloom*
U. prolifera	0.261^b ±0.009	0.356^a ±0.019	0.085^bc ±0.007	0.153^a ±0.022	0.355^b ±0.017	0.522^a ±0.043
U. intestinalis	0.169^cd ±0.043	0.115^d 0.013	0.051^c ±0.017	0.044^c ±0.018	0.226^cd ±0.055	0.163^c ±0.031
*post-bloom*
U. prolifera	0.194^bc ±0.056	0.294^b ±0.034	0.062^c ±0.022	0.141^a ±0.022	0.262^bc ±0.08	0.446^a ±0.059
U. intestinalis	0.109^d ±0.066	0.206^c ±0.028	0.04^c ±0.032	0.082^b ±0.023	0.152^d ±0.099	0.294^b ±0.052

Samples were collected after short-term (24 h) and long-term (7 d) culture. Values are means (±SD). Data are mg/fresh weight (g) (mg/g FW) for each pigment, and different superscripts indicate significantly different values (P<0.05), as determined by post-hoc comparison.