Table 1. Formula of sourdough bread prepared with different amounts of banana sour starter

Ingredients (g)	Banana sour starter (%)
	Control	10	20	30	50
Wheat flour	1,000	1,000	1,000	1,000	1,000
Sugar	150	150	150	150	150
Salt	20	20	20	20	20
Butter	250	250	250	250	250
Yeast	40	30	30	30	30
Egg	240	240	240	240	240
Sourdough	0	100	200	300	500
Water	300	300	300	300	300