Research Article
Effect of Layered Debranning Processing on the Proximate Composition, Polyphenol Content, and Antioxidant Activity of Whole Grain Wheat
Table 5
Effect of different debranning rate on the identification of free and bound flavonoids in WGW (μg/g).
| | State | Debranning rate (%) | Kaempferol | Naringenin | Myricetin | Quercetin | Daidzein | Luteolin | Rutin | Total |
| | Free | WGW-0 | 3.37 | 25.41 | tr | tr | tr | tr | 4.27 | 1052.02 | | WGW-4.45 | 4.67 | 27.02 | tr | tr | tr | tr | 3.76 | 2184.12 | | WGW-6.95 | 4.48 | 25.14 | tr | tr | tr | tr | 3.18 | 2165.79 | | WGW-8.47 | 4.30 | 22.46 | tr | tr | tr | tr | 2.58 | 2028.62 | | WGW-10.02 | 4.39 | 23.54 | tr | tr | tr | tr | 2.83 | 1533.81 | | WGW-11.43 | 4.28 | 23.03 | tr | tr | tr | tr | 2.98 | 1135.10 | | WGW-13.10 | 4.56 | 22.10 | tr | tr | tr | tr | 3.44 | 1531.27 | | WGW-13.37 | 4.34 | 23.95 | tr | tr | tr | tr | 2.38 | 1477.85 | | WF | 1.27 | 10.39 | tr | tr | tr | tr | tr | 26.28 | | WB | 7.10 | 97.00 | tr | tr | tr | tr | 38.15 | 7986.10 | | Bound | WGW-0 | 4.32 | 19.50 | tr | tr | tr | tr | 995.16 | | | WGW-4.45 | 8.25 | 24.06 | 3.08 | tr | 85.86 | 15.39 | 2012.04 | | | WGW-6.95 | l9.26 | 23.21 | tr | tr | 91.23 | 14.79 | 1994.50 | | | WGW-8.47 | 7.59 | 23.09 | tr | tr | 91.21 | 13.02 | 1864.38 | | | WGW-10.02 | 6.76 | 21.18 | tr | tr | 63.59 | 11.26 | 1400.26 | | | WGW-11.43 | 5.07 | 19.92 | 2.71 | tr | 48.34 | 10.29 | 1018.47 | | | WGW-13.10 | 6.73 | 20.86 | 2.92 | tr | 60.40 | 10.36 | 1399.90 | | | WGW-13.37 | 6.67 | 20.42 | tr | tr | 59.00 | 11.20 | 1349.89 | | | WF | 3.73 | 10.89 | tr | tr | tr | tr | tr | | | WB | 92.02 | 26.29 | 3.86 | 192.51 | 31.87 | 7.36 | 7489.93 | |
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WGW: whole grain wheat; WF: wheat flour; WB: wheat bran; tr: trace.
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