Aldononitrile acetates and alkaline nitrobenzene oxidations were used to analyze the change of structuia1 polysaccharides and composition of lignin in 80% ethanol-extracted rice straw treated with sodium hydroxide, ammonium bicarbonate, or urea.

• 摘要以氢氧化钠、碳酸氢铵和尿素处理的稻草为研究对象，采用糖腈乙酰酯法和碱性硝基苯氧化法，分别测定了化学预处理前后稻草用80%25乙醇浸提残渣中结构性多糖和木质素组分的变化。