Table 1. Summary of studies on the milk protein-stabilized micro- and nanoemulsions

Milk proteins	Droplet size	Emulsion type	References
Caseins
Caseinate	Micro-sized	O/W	[15-17]
	Nano-sized	O/W	[18]
		W/O/W	[19]
αs1-Caseins	Micro-sized	O/W	[20,21]
β-casein	Micro-sized	O/W	[20,21]
Whey proteins
WPI	Micro-sized	O/W	[16,18,22,23]
		W/O/W	[24]
		O/W/O	[25]
		O/W/W	[26]
	Nano-sized	W/O	[27]
		O/W	[28-31]
WPC	Micro-sized	O/W	[5]
	Nano-sized	W/O/W	[16]
β-Lactoglobulin	Micro-sized	O/W	[22]
	Nano-sized	O/W	[6,7]

O/W, oil-in-water; W/O, water-in-oil; W/O/W, water-in-oil-in-water; O/W/O, oil-in-water-in-oil; O/W/W, oil-in-water-in-water; WPI, whey protein isolate; WPC, whey protein concentrate.