用石油醚和乙醇在索式萃取器中对水稻秸秆进行了萃取,萃取物用傅里叶转换红外光谱仪(FTIR)和气相色谱-质谱联用仪(GC/MS)分析.结果表明,乙醇和石油醚的萃取率分别为8％和6％.萃取物中共检测到40种物质,主要分为醇酚(APs)、醛、酮、酸、酯、烃(HCs)及含氮化合物(ONs)7种类别.其中,石油醚萃取物中酯、HCs和APs 3类物质含量较高,总的相对含量为91.7％;乙醇萃取物中HCs、酸、酯及APs含量较高,总的相对含量为83.9％.该研究在开发稻秆的高附加值利用方面具有重要的基础理论意义.
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