【正文】 ................................................................................................................IABSTRACT ..............................................................................................................................II第 1 章 前言 ...........................................................................................................................1 研究目的和意義 .............................................................................................................1 大米的成分 ......................................................................................................................2 淀粉 ...........................................................................................................................2 蛋白質 .......................................................................................................................2 脂肪 ...........................................................................................................................3 水分 ...........................................................................................................................3 大米的質量缺陷 ..............................................................................................................4 碎米 ...........................................................................................................................4 黃粒米 .......................................................................................................................4 大米中的有害物質 ..........................................................................................................4 雜質 ...........................................................................................................................4 磷化物和氰化物 ......................................................................................................4 國內(nèi)外研究現(xiàn)狀與趨勢 ..................................................................................................5 國內(nèi)外研究現(xiàn)狀 .......................................................................................................5 國內(nèi)外研究發(fā)展趨勢 ...............................................................................................5 課題的研究內(nèi)容 ...........................................................................................................6第 2 章 材料與方法 ................................................................................................................8 實驗材料 .......................................................................................................................8 原料與主要試劑 ....................................................................................................8 主要設備及儀器 .......................................................................................................8黑龍江東方學院本科生畢業(yè)論文（設計） 試驗方法 .......................................................................................................................9 大米中水分的測定 ................................................................................................9 大米中蛋白質的測定 ............................................................................................9 大米中直鏈淀粉的測定 ......................................................................................10 大米膠稠度的測定 ................................................................................................10 大米中氰化物和磷化物的定性實驗 .....................................................................11 大米中雜質、碎米和黃粒米含量的測定 .............................................................11 大米中脂肪含量的測定 .........................................................................................12第三章 結果與討論 .................................................................................................