. 2014 Mar 23;52(5):2679–2689. doi: 10.1007/s13197-014-1322-x

Table 6.

Effect of storage time and temperature on the Z-average and PDI values of nanoemulsions (1 wt% OPEO, 2 wt% Tween 80) prepared by sonication (94 %, 138 s, 37 °C)

Time (week)	Z-average (nm)	PDI
0	20.55 ^b	0.753 ^b
4	17.149 ^a	0.411 ^a
8	17.416 ^a	0.481 ^a
12	21.755 ^b	0.521 ^a
Temperature (°C)
5	14.114 ^a	0.593 ^b
25	13.451 ^a	0.470 ^a
45	30.078 ^b	0.562 ^ab

Various superscript letters show significant difference at P < 0.05