Table 1.

Content (mg/kg) of minor compounds in the soybean oil-in-water (40:60, w/w) emulsion containing iron (5 mg/kg) during oxidation at 25 °C in the dark

Oxidation time (day)	α-Tocopherol	Rosmarinic acid	Caffeic acid	β-Carotene	Chlorophyll b
0	n.d.1)	33.29 ± 2.487a2) (100)3)	31.61 ± 2.173ab (100)	0.162 ± 0.004a (100)	0.862 ± 0.029a (100)
2	n.d.	30.52 ± 1.931ab (91.7)	22.93 ± 1.901c (72.5)	0.168 ± 0.010a (103.7)	0.761 ± 0.027a (88.3)
4	n.d.	29.28 ± 2.503b (88.0)	20.80 ± 0.983c (65.8)	0.155 ± 0.004a (95.7)	0.291 ± 0.368b (33.8)

¹⁾ Not detected

²⁾ Different letters represent significantly different values in the same column by Duncan’s multiple range test at 5%

³⁾ Retention percentage based on the initial content before oxidation (%)