Table 4.

Yields and compositions of purified β-glucans from roller-milled barley fractions.

Samples		Yield (%)	Ash (%, db)	Starch (%, db)	Protein (%, db)	β-glucan (%, db)	Arabinoxylan (%, db)
Zangqing 25	Bran	4.25 ± 0.36	0.34 ± 0.02	2.3 ± 0.66	1.49 ± 0.66	91.38 ± 0.66	2.24 ± 0.66
	shorts	7.47 ± 0.42	0.49 ± 0.03	2.1 ± 0.66	2.14 ± 0.66	92.04 ± 0.66	2.47 ± 0.66
	Flour	1.84 ± 0.06	0.39 ± 0.01	2.7 ± 0.66	1.81 ± 0.66	90.05 ± 0.66	2.32 ± 0.66
Beiqing6	Bran	3.88 ± 0.28	0.64 ± 0.04	2.4 ± 0.66	1.57 ± 0.66	94.57 ± 0.66	2.38 ± 0.66
	shorts	10.32 ± 0.56	0.51 ± 0.03	1.8 ± 0.66	1.79 ± 0.66	93.38 ± 0.66	2.74 ± 0.66
	Flour	1.72 ± 0.08	0.49 ± 0.01	2.1 ± 0.66	2.14 ± 0.66	90.88 ± 0.66	2.17 ± 0.66
Dulihuang	Bran	4.23 ± 0.32	0.34 ± 0.02	1.3 ± 0.66	2.19 ± 0.66	94.38 ± 0.66	1.24 ± 0.66
	shorts	6.58 ± 0.44	0.29 ± 0.01	2.2 ± 0.66	1.04 ± 0.66	95.04 ± 0.66	2.47 ± 0.66
	Flour	1.32 ± 0.04	0.74 ± 0.04	2.1 ± 0.66	1.69 ± 0.66	92.38 ± 0.66	3.14 ± 0.66
Linzhou	Bran	5.30 ± 0.66	0.59 ± 0.05	2.0 ± 0.66	2.04 ± 0.66	94.29 ± 0.66	2.07 ± 0.66
	shorts	8.79 ± 0.62	0.34 ± 0.02	2.0 ± 0.66	1.19 ± 0.66	92.38 ± 0.66	2.24 ± 0.66
	Flour	1.72 ± 0.02	0.33 ± 0.01	2.2 ± 0.66	1.34 ± 0.66	90.04 ± 0.66	1.40 ± 0.66
Zangqing320	Bran	5.22 ± 0.38	0.24 ± 0.02	2.3 ± 0.66	1.49 ± 0.66	95.38 ± 0.66	2.24 ± 0.66
	shorts	8.88 ± 0.64	0.49 ± 0.03	2.1 ± 0.66	1.14 ± 0.66	93.04 ± 0.66	1.47 ± 0.66
	Flour	1.58 ± 0.06	0.39 ± 0.03	2.7 ± 0.66	2.81 ± 0.66	92.05 ± 0.66	2.30 ± 0.66
Caiqing	Bran	4.49 ± 0.38	0.34 ± 0.02	2.4 ± 0.66	2.57 ± 0.66	92.57 ± 0.66	2.38 ± 0.66
	shorts	8.62 ± 0.60	0.52 ± 0.04	1.8 ± 0.66	2.79 ± 0.66	93.38 ± 0.66	2.74 ± 0.66
	Flour	1.73 ± 0.04	0.44 ± 0.02	2.1 ± 0.66	1.14 ± 0.66	94.88 ± 0.66	2.17 ± 0.66
Standard 1			0.21 ± 0.01	1.1 ± 0.66	0.54 ± 0.66	97.04 ± 0.66	0.87 ± 0.66
Standard 2			0.16 ± 0.01	0.9 ± 0.66	0.32 ± 0.66	98.04 ± 0.66	0.62 ± 0.66
Standard 3			0.25 ± 0.03	0.7 ± 0.66	0.27 ± 0.66	98.04 ± 0.66	0.47 ± 0.66

Yield = (weight of purified β-glucan/roller-milled fraction) × 100%