Table 1. Duck ham formulations with the different ratio of duck breast meat and duck skin (Units: %)

Ingredients	Treatments
	T1	T2	T3	T4	T5
Duck breast	70	60	50	40	30
Duck skin	30	40	50	60	70
Total	100	100	100	100	100
Ice water	10	10	10	10	10
Salt	1.5	1.5	1.5	1.5	1.5
Sodium nitrite	0.02	0.02	0.02	0.02	0.02
Ascorbic acid	0.06	0.06	0.06	0.06	0.06
Sugar	1.7	1.7	1.7	1.7	1.7
Isolated soy protein	1.7	1.7	1.7	1.7	1.7