The bran of Shannong 2 was collected from the mill, and was then sifted using a JJSD sieve shaker (Shanghai Jiading Ltd. equipped with different sized screens) into coarse bran with particle size of 1.5e2 mm. The bran with particle size bigger than 2 mm or smaller than 1.5 mm was eliminated. The bran samples were then divided into three equal portions. Two of them were subsequently ground into medium and fine particle size by a Perten 3100 laboratory mill (equipped with different mesh sizes). The size of coarse, medium size and fine bran was 1.5e2 mm, 0.43e1 mm, and 0.16e0.43 mm, respectively. The average size was 1.72 mm, 0.53mmand 0.21mmrespectively. The content of protein, ash, and fiber of the bran was 16.8%, 5.10%, 33.21% respectively. The bran samples with different particle sizes were added to the flour at 0%,
5%, 10%, 15%, and 20% levels (on a 14% moisture basis).
The bran of Shannong 2 was collected from the mill, and was then sifted using a JJSD sieve shaker (Shanghai Jiading Ltd. equipped with different sized screens) into coarse bran with particle size of 1.5e2 mm. The bran with particle size bigger than 2 mm or smaller than 1.5 mm was eliminated. The bran samples were then divided into three equal portions. Two of them were subsequently ground into medium and fine particle size by a Perten 3100 laboratory mill (equipped with different mesh sizes). The size of coarse, medium size and fine bran was 1.5e2 mm, 0.43e1 mm, and 0.16e0.43 mm, respectively. The average size was 1.72 mm, 0.53mmand 0.21mmrespectively. The content of protein, ash, and fiber of the bran was 16.8%, 5.10%, 33.21% respectively. The bran samples with different particle sizes were added to the flour at 0%,5%, 10%, 15%, and 20% levels (on a 14% moisture basis).
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