Table 1.

AO percentages in aqueous phase (%AO_W) and P_W^O values in binary fish oil-water systems. P_O^I and P_W^I values and the rate constant in the interfacial region, k_I, in fish oil emulsified systems. EC₅₀ (mole AO/mole DPPH^●) and anodic potentials E_pa versus Ag–AgCl measured at a glassy carbon electrode for 10⁻⁴ mol L⁻¹ solutions of compounds in buffer solution in the absence and presence of 2% Tween 80. Emulsion droplet sizes of emulsified systems containing AOs in nm.

		HT	HT2	HT6	HT8	HT12	HT16
Binary System	(%AOW)	99.45 ± 0.5	83.3 ± 1.1	≈0	≈0	≈0	≈0
	P W O	0.008 ± 0.001	1.80 ± 0.01	---	---	---	---
Emulsion 1:9 O/W	P W I	34 ± 1	207± 39	---	---	---	---
	P O I	---	115 ± 22	89 ± 8	119 ± 45	97 ± 14	75 ± 12
	102kI(M−1s−1)	10.6 ± 0.2	16.7 ± 5.7	19.0 ± 0.3	18.7 ± 8.8	16.3 ± 0.4	16.0 ± 0.2
Nanoemulsion 1:9 O/W	P W I	30 ± 4	186 ± 14	----	----	----	----
	P O I	----	103 ± 8	79 ± 22	104 ± 13	89 ± 19	80 ± 13
	102kI(M−1s−1)	19.0 ± 1.3	20.7 ± 2.9	25.6 ± 0.6	23.6 ± 0.2	20.2 ± 0.4	19.6 ± 0.3
EC50I	5 min	0.323 ± 0.005	0.354 ± 0.009	0.300 ± 0.003	0.295 ± 0.005	0.345 ± 0.005	0.331 ± 0.011
	15 min	0.287 ± 0.004	0.309 ± 0.007	0.272 ± 0.003	0.265 ± 0.005	0.319 ± 0.004	0.305 ± 0.006
	60 min	0.258 ± 0.004	0.281 ± 0.004	0.247 ± 0.003	0.239 ± 0.003	0.294 ± 0.006	0.298 ± 0.007
Epa (V)	0% Tween 80	0.418	0.421	0.404	0.412	0.402	0.403
	2% Tween 80	----	----	0.388	0.419	0.382	0.394
Emulsion droplet size (ΦI = 0.5, nm)	1:9 O/W (LEn) II	8402 ± 162 a	8564 ± 197 a	6634 ± 128 b	5046 ± 114 c	5689 ± 134 d	7824 ± 179 e
	1:9 O/W (HEn) III	1280 ± 60	1227 ± 57	1168 ± 61	1145 ± 45	1189± 37	1235 ± 78
	4:6 O/W	4610 ± 203	4551 ± 176	4465 ± 155	4330 ± 117	4501 ± 187	4534 ± 144

^I Data extracted from Almeida et al., 2016 [27]. ^II Emulsions obtained with the aid of a vortex (LEn, low energy method). ^III Emulsions obtained by high-speed homogenization (HEn, high energy method). Different letters within a row indicate samples that were significantly different (p < 0.05).