Pigment Reduction in Corn Gluten Meal and Its Effects on Muscle ...
Pigment Reduction in Corn Gluten Meal and Its Effects on Muscle ...
Pigment Reduction in Corn Gluten Meal and Its Effects on Muscle ...
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leach<str<strong>on</strong>g>in</str<strong>on</strong>g>g rates obta<str<strong>on</strong>g>in</str<strong>on</strong>g>ed <str<strong>on</strong>g>in</str<strong>on</strong>g> this study were proporti<strong>on</strong>al to the <str<strong>on</strong>g>in</str<strong>on</strong>g>itial pigment c<strong>on</strong>tent <strong>on</strong> eachcorn variety.The laboratory-scale wet mill<str<strong>on</strong>g>in</str<strong>on</strong>g>g used <str<strong>on</strong>g>in</str<strong>on</strong>g> this trial (steep<str<strong>on</strong>g>in</str<strong>on</strong>g>g corn kernels <str<strong>on</strong>g>in</str<strong>on</strong>g> a hydrogenperoxide c<strong>on</strong>ta<str<strong>on</strong>g>in</str<strong>on</strong>g><str<strong>on</strong>g>in</str<strong>on</strong>g>g soluti<strong>on</strong> at either acid or alkal<str<strong>on</strong>g>in</str<strong>on</strong>g>e c<strong>on</strong>diti<strong>on</strong>s) produced high yields of corngluten meal (with high total starch c<strong>on</strong>tent) <str<strong>on</strong>g>and</str<strong>on</strong>g> low yields of starch, which were attributed to an<str<strong>on</strong>g>in</str<strong>on</strong>g>complete separati<strong>on</strong> of the gluten <str<strong>on</strong>g>and</str<strong>on</strong>g> starch fracti<strong>on</strong>s.High yield of gluten fracti<strong>on</strong> but low yields of starch fracti<strong>on</strong> obta<str<strong>on</strong>g>in</str<strong>on</strong>g>ed <str<strong>on</strong>g>in</str<strong>on</strong>g> this study wereattributed to gr<str<strong>on</strong>g>in</str<strong>on</strong>g>d<str<strong>on</strong>g>in</str<strong>on</strong>g>g equipment limitati<strong>on</strong>. <str<strong>on</strong>g>Reducti<strong>on</strong></str<strong>on</strong>g> of yellow carotenoids c<strong>on</strong>tent <str<strong>on</strong>g>in</str<strong>on</strong>g> corngluten meal was proporti<strong>on</strong>al to the pigment c<strong>on</strong>tent <str<strong>on</strong>g>in</str<strong>on</strong>g> corn gra<str<strong>on</strong>g>in</str<strong>on</strong>g>s. Recovery of crude prote<str<strong>on</strong>g>in</str<strong>on</strong>g>did not show a clear trend, however up to 40% reducti<strong>on</strong> was assessed as hydrogen peroxidelevel was <str<strong>on</strong>g>in</str<strong>on</strong>g>creased for the HiC7 variety under acidic c<strong>on</strong>diti<strong>on</strong>s.Scale-up <str<strong>on</strong>g>and</str<strong>on</strong>g> use of commercial scale mill<str<strong>on</strong>g>in</str<strong>on</strong>g>g equipment as well as <str<strong>on</strong>g>in</str<strong>on</strong>g>-vivo pigmentati<strong>on</strong>trial are highly necessary <str<strong>on</strong>g>in</str<strong>on</strong>g> order to assess the effects of low-pigment corn gluten meal <str<strong>on</strong>g>in</str<strong>on</strong>g>clusi<strong>on</strong><str<strong>on</strong>g>in</str<strong>on</strong>g> formulated diets <strong>on</strong> muscle pigment depositi<strong>on</strong> <str<strong>on</strong>g>in</str<strong>on</strong>g> muscle from salm<strong>on</strong>id fish.119