Designer bioemulsifiers based on combinations of different polysaccharides with the novel emulsifying esterase AXE from Bacillus subtilis CICC 20034

Table 4 Emulsification activity (EI₄₈) and zeta potential of mixtures

Polysaccharides (1 mg/ml)	Emulsification index (EI₄₈) (200 µg/ml AXE)	Zeta potential (mV)
AXE	61.90 ± 0.35	− 22.3 ± 1.4
Agarose	66.67 ± 1.20	− 24.5 ± 0.7
Chitosan	66.72 ± 0.83	− 22.6 ± 1.8
Starch	67.04 ± 1.38	− 17.8 ± 1.0
Dextrin	66.67 ± 0.22	− 24.6 ± 1.2
Gum arabic	69.85 ± 2.10	− 34.2 ± 2.2
Xanthan gum	76.73 ± 2.18	− 49.3 ± 1.8
Gelatin	61.90 ± 1.43	− 26.2 ± 2.6
Methylcellulose	47.60 ± 3.32	− 11.3 ± 0.8
Welan gum	70.33 ± 1.22	− 42.9 ± 2.5

ISSN: 1475-2859