Table 1 Proximate composition in freeze-dried soybean powders with pre-treatments (unit: %)

Soybean type	Moisture**1)	Crude fat	Crude protein*	Crude ash**
No treatment	6.70±0.012)b	19.02±1.42a	33.90±0.07c	5.40±0.00c
Steamed soybean	17.82±0.01a	15.36±1.34b	33.16±0.09d	4.48±0.02d
Puffed soybean	5.42±0.14c	18.44±0.87a	35.28±0.05b	5.59±0.04b
Air-fried soybean	2.05±0.08d	19.06±0.57a	35.78±0.19a	5.70±0.04a

Means with different letters in the same column are significantly different (*p<0.05, **p<0.01) by Duncan’s multiple range test.
All values are triplicate determination. Results are shown as mean±SD.