Table 1 Proximate composition and total polyphenol of chestnut shell powder and extruded chestnut shell powder

Extrusion conditions		Contents (w/w)

Moisture (%)	Temp. (°C)	Total dietary fiber (g/100g)	Total poplyphenol (mg/100g GE)	Fructose (g/100g)	Glucose (g/100g)	Sucrose (g/100g)

CS1)		20.26±0.472)^A3)	869.09±6.042)^F3)	1.06±0.012)^A3)	0.69±0.11^A	12.49±0.28^A

25	110	22.49±0.06^A	1,026.37±3.18^D	0.65±0.07^B	0.31±0.04^B	10.75±0.08^BC
	130	21.34±0.01^A	1,207.95±2.91^B	0.75±0.00^B	0.31±0.01^B	11.20±0.22^B
	150	22.61±0.02^A	1,397.17±3.63^A	1.01±0.09^A	0.69±0.04^A	11.32±0.03^BC

30	110	21.95±0.00^A	1,006.31±4.51^EF	1.07±0.02^A	0.68±0.05^A	11.40±0.13^B
	130	22.11±0.01^A	1,105.93±3.13^C	0.97±0.00^B	0.60±0.03^B	12.88±0.13^A
	150	21.11±1.30^A	1,118.93±9.62^C	1.03±0.02^A	0.70±0.01^AB	10.65±0.18^C

¹⁾CS: chestnut shell powder.
²⁾Means±SD
³⁾Means with different superscripts in the same column are significantly different by ANOVA test at p<0.05.