Effect of Phytohormone Kinetin on Cell Density, Photosynthetic Pigments, Antioxidant Enzymes, and Fatty Acid Composition of the Microalgae Tetraselmis suecica

Table 1

Fatty acids composition of microalgae T. suecica in the presence of 0, 5, 10, 15, 20, and 25 mg/L of phytohormone Kinetin during the experiment time (10 days, mean ± SD).

Fatty acids	Treatments
	Control (0 mg/L)	5 mg/L	10 mg/L	15 mg/L	20 mg/L	25 mg/L
SFA	21.84 ± 2.25	25.86 ± 1.94	25.07 ± 2.76	24.58 ± 1.05	22.33 ± 3.78	23.82 ± 0.63
MUFA	11.63 ± 0.54	13.32 ± 1.18	13.60 ± 2.10	12.28 ± 0.54	13.10 ± 2.25	13.51 ± 0.49
PUFA	44.33 ± 5.19	40.50 ± 2.09	40.44 ± 1.15	39.15 ± 3.36	41.27 ± 1.60	41.95 ± 0.76
Detected FA	77.79 ± 3.20	79.68 ± 1.04	79.11 ± 3.71	76.00 ± 2.78	76.70 ± 4.43	79.28 ± 1.17
n3-PUFA	19.76 ± 2.01^ab	18.74 ± 1.69^ab	16.89 ± 2.79^b	19.37 ± 1.45^ab	19.65 ± 2.91^ab	21.26 ± 0.46^a
n6-PUFA	24.56 ± 3.29^a	21.76 ± 0.39^ab	23.56 ± 1.64^ab	19.78 ± 1.96^b	21.62 ± 1.32^ab	20.69 ± 0.51^ab
n3/n6	0.81 ± 0.05^bc	0.86 ± 0.06^abc	0.72 ± 0.17^c	0.98 ± 0.04^ab	0.91 ± 0.19^abc	1.03 ± 0.03^a
n3-HUFA	2.92 ± 0.28^ab	3.77 ± 0.14^a	3.41 ± 0.15^a	3.16 ± 0.60^a	2.03 ± 1.12^b	3.02 ± 0.11^ab
n6-HUFA	24.56 ± 3.29^a	21.76 ± 0.39^ab	23.56 ± 1.64^ab	19.78 ± 1.96^b	21.62 ± 1.32^ab	20.69 ± 0.51^ab

SFA, saturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid. ^{a,b,c,ab,bc, abc}Different letters on the each row indicate significant differences by Tukey’s test ().