Anti-nutritional components, fibre, sinapine and glucosinolate content, in Australian canola (Brassica napus L.) meal

被引:71
|
作者
Mailer, Rodney J. [1 ]
McFadden, Amanda [1 ]
Ayton, Jamie [1 ]
Redden, Bob [2 ]
机构
[1] Australian Oils Res Labs, New S Wales Dept Primary Ind, Wagga Wagga, NSW 2650, Australia
[2] Australian Temperate Field Crops Collect, Horsham, Vic 3400, Australia
关键词
canola; meal; fibre; NDF; ADF; crude fibre; sinapine; glucosinolate; anti-nutritional;
D O I
10.1007/s11746-008-1268-0
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Canola meal is highly regarded as a component of animal feed with a high protein content and a desirable amino acid profile. The presence of some components, in particular glucosinolates, sinapine and fibre, affects the value of the meal and reduces the amount that can be used in animal feed formulations. Glucosinolates in traditional cultivars (rapeseed) had very high amounts and this severely limited the usefulness of the meal. Canola breeding programs have successfully reduced glucosinolate content to trace amounts. However sinapine remains at levels sufficiently high to cause problems, particularly in poultry feed. The relatively high fibre level in canola also reduces the value of the product for animal feed. This study has determined the level of sinapine, glucosinolates and fibre in current cultivars of canola in Australia to illustrate advances made by breeding programs and limitations which still remain to raise the usefulness of a potentially valuable feedstock. Although glucosinolate levels in meal were shown to have been reduced to 11 mu mol/g in some cases, sinapine remained at traditional levels of about 12-15 g/kg and neutral detergent fibre levels were about 30-40%. These issues are important priorities for canola breeders.
引用
收藏
页码:937 / 944
页数:8
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