Table 4.

Polyphenolic components, representative of the major classes, detected in the microalgae species, along with quantitative data.

Peak	Molecules	Quantity (ppm)	Quantity (µg/g Dry Biomass)
	Phaeodactylum tricornutum
1	Protocatechuic acid	6.85 ± 0.90	22.83 ± 2.99
2	Caffeic acid	16.88 ± 1.14	56.25 ± 3.81
3	Caffeicacidhexosidedimer	6.32 ± 1.13	21.07 ± 3.82
4	Dimethoxyflavone	8.51 ± 0.80	28.38 ± 2.90
5	p-coumaroyl tyrosine	4.10 ± 3.78	13.68 ± 4.58
	Total	42.66	113.83
	Nannochloris sp
1	Protocatechuic acid	2.26 ± 0.02	7.55 ± 0.06
6	Caffeoyl-coumaroyl-quinic acid	17.11 ± 0.52	57.04 ± 1.73
7	Catechin	10.04 ± 2.14	33.47 ± 3.14
4	Dimethoxyflavone	1.96 ± 0.16	6.53 ± 1.84
8	kaempferol	3.63 ± 0.21	12.10 ± 1.32
	Total	35.00	116.69
	Tetraselmis suecica
1	Protocatechuic acid	12.16 ± 0.13	40.55 ± 0.44
2	Caffeic acid	17.86 ± 0.30	59.53 ± 0.98
9	Caffeoylglucoside	4.04 ± 0.35	13.46 ± 1.16
4	Dimethoxyflavone	5.7 ± 0.28	19.01 ± 1.58
5	p-coumaroyl tyrosine	5.2 ± 0.46	17.40 ± 1.55
10	Apigenin-O-rutinoside	10.73 ± 0.34	35.75 ± 1.13
11	Rhamnosylhexosyl-methyl-quercetin	1.38 ± 0.18	4.59 ± 1.36
	Total	57.07	190.29
	Nannochloropsis gaditana
1	Protocatechuic acid	6.38 ± 0.96	21.26 ± 0.96
2	Caffeic acid	5.29 ± 0.21	17.64 ± 1.32
12	Quercetin	10.00 ± 0.13	33.34 ± 1.46
9	Caffeoyl glucoside	8.55 ± 0.32	28.49 ± 1.19
13	Feruloylglucaricacid	2.33 ± 0.18	7.78 ± 1.46
5	p-coumaroyl tyrosine	0.64 ± 0.07	2.12 ± 0.22
10	Apigenin-O-rutinoside	2.23 ± 0.22	7.43 ± 0.74
11	Rhamnosylhexosyl-methyl-quercetin	2.07 ± 0.16	6.89 ± 1.21
	Total	37.49	124.95

Mean ± standard derivation of three experiment measurements.