2.2. Analysis of wheat kernel quality characteristic
Weight, moisture, diameter, and hardness of 300 wheat kernels
were analyzed by the Single Kernel Characterization System of
SKCS-4100 (Perten, Sweden) according to Chinese national standard
GB/T 21304-2007. The ash contents, test weight, protein
content and 1000 kernel weight were determined according to GB/
T 5009.4e2003, GB/T 5498e85, GB/T 5009.5e2003 and GB 5519-
85, respectively. Before determining the starch content, the samples
were firstly pretreated by 1 g/100 g hydrochloric acid, and then
the content of starch was determined using a WZZ-2B polarimeter
(Inesa Instrument Co., Ltd., Shanghai, CN).
2.2. Analysis of wheat kernel quality characteristicWeight, moisture, diameter, and hardness of 300 wheat kernelswere analyzed by the Single Kernel Characterization System ofSKCS-4100 (Perten, Sweden) according to Chinese national standardGB/T 21304-2007. The ash contents, test weight, proteincontent and 1000 kernel weight were determined according to GB/T 5009.4e2003, GB/T 5498e85, GB/T 5009.5e2003 and GB 5519-85, respectively. Before determining the starch content, the sampleswere firstly pretreated by 1 g/100 g hydrochloric acid, and thenthe content of starch was determined using a WZZ-2B polarimeter(Inesa Instrument Co., Ltd., Shanghai, CN).
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