Table 2.

Thermal stability of RBP-CA emulsion with different ultrasonic power.

	Heat	Control	100 W	200 W	300 W	400 W	500 W
Z-Ave (d.nm)	Before	249.54 ± 2.41a	217.47 ± 3.65b	192.73 ± 2.62c	179.51 ± 1.91d	167.77 ± 2.47f	172.10 ± 3.96e
	After	907.95 ± 31.72a’	804.73 ± 3.51b’	616.3 ± 2.49c’	494.96 ± 2.57d’	388.57 ± 2.61f’	424.63 ± 2.14e’
PDI	Before	0.883 ± 0.085a	0.764 ± 0.061ab	0.591 ± 0.093c	0.440 ± 0.077 cd	0.318 ± 0.034def	0.344 ± 0.103de
	After	0.904 ± 0.052a’	0.799 ± 0.027b’	0.646 ± 0.084c’	0.511 ± 0.038d’	0.349 ± 0.052d’f’	0.409 ± 0.087d’e’
ζ-potential (mV)	Before	−14.28 ± 0.34f	−15.63 ± 0.67e	−18.13 ± 0.76d	−20.85 ± 0.35c	−23.11 ± 0.71a−	−22.97 ± 0.43ab
	After	−13.89 ± 0.84d’e’	−14.23 ± 0.71d’	−17.59 ± 0.50c’	−18.94 ± 0.63b’	−21.76 ± 0.31a’	−21.34 ± 0.51a’b’

Note: The values with different superscript letters within a column are significantly different (p < 0.05).