Improvement of rapeseed meal quality via reduction of seed fibre-fractions
Rapeseed meal is an important product for animal and human nutrition. With drastically rising rapeseed production, an improvement of the quality and economic value of rapeseed meal is an increasingly important breeding aim. The meal possesses about 40％ protein with a favorable composition of amino acids. However, due to the high contents of crude fibre and antinutritive components the utilisation of rapeseed meal is limited. To increase the possible use of rapeseed meal a reduction of antinutritive phenolic compounds through breeding of yellow-seeded oilseed rape varieties with thinner seed coats is of very high interest.Yellow seed colour is considered to coincide with low fibre content because the biochemical pathways leading to lignin and seed coat pigments have the same precursors. In this work fibre fractions are being measured in winter oilseed rape populations segregating for seed colour and in genetically diverse black-seeded materials. The major anti-nutritive fibre compounds in the oilseed rape seed coat, namely cellulose, hemicellulose and lignin, are quantified by extraction and measurement of the neutral detergent fibre (NDF), acid detergent fibre (ADF) and acid detergent lignin (ADL) fractions. Because these measurements are time-consuming and difficult to automate, the aim of this study is to develop near-infrared reflectance spectroscopy (NIRS)calibrations for high-throughput, non-destructive germplasm screening, selection and trait-genotype analysis of these important anti-nutritive rapeseed compounds.
Rapeseed meal quality seed colour fibre fractions antinutritive compounds near infrared spectroscopy
Benjamin Wittkop Rod Snowdon Wolfgang Friedt
Department of Plant Breeding, Research Centre for BioSystemns, Land Use and Nutrition, Justus Liebig University, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
国际会议
第十二届国际油菜大会( The 12th International Rapeseed Congress)
武汉
英文
1889-1891
2007-03-26（万方平台首次上网日期，不代表论文的发表时间）