Table 1
Tannin and total polyphenol contents in ‘Nampungchal’ sorghum extract according to the seed milling ratio

Milling ratio		Tannin (mg/g)	Total polyphenol (mg/g)
100%	Wholegrain	11.54±0.1^e1)	14.73±0.63^e
92%	milledgrain	9.67±0.25^f	13.62±1.32^f
92%	bran	20.93±0.14^d	20.26±0.48^d
83%	milledgrain	9.04±0.74^g	13.03±0.44^g
83%	bran	23.25±0.64^c	22.51±0.60^c
73%	milledgrain	4.57±0.09^h	8.06±0.23^h
73%	bran	28.71±0.59^a	27.58±0.63^a
65%	milledgrain	2.06±0.04ⁱ	5.32±0.66ⁱ
65%	bran	26.38±1.19^b	25.39±1.11^b

¹⁾Means with different small letters in the same column are significantly (p<0.05) by Duncan's multiple range test.