In order to make all kinds of special products of the wood vinegar for pear,the organic components of wood vinegar for pear were analyzed with gas chromatograph-mass spectrometer(GC-MS).The results indicated that wood...In order to make all kinds of special products of the wood vinegar for pear,the organic components of wood vinegar for pear were analyzed with gas chromatograph-mass spectrometer(GC-MS).The results indicated that wood vinegar for pear was a kind of quite complicated compounds.The organic components of wood vinegar which was collected at the temperature 90~ 240 ℃ were mainly composed by alcoholic compounds,ketonic components,phenolic compounds and organic acids.展开更多
本研究对白酒发酵副产物黄水主要有机成分进行定性和定量分析。首先使用指示剂法检测蛋白质或多肽以及生物碱;其次应用标准曲线法测小分子糖、氨基酸,顶空固相微萃取-气相色谱法检测乙醇含量;最后采用高效液相色谱法测有机酸种类和含量...本研究对白酒发酵副产物黄水主要有机成分进行定性和定量分析。首先使用指示剂法检测蛋白质或多肽以及生物碱;其次应用标准曲线法测小分子糖、氨基酸,顶空固相微萃取-气相色谱法检测乙醇含量;最后采用高效液相色谱法测有机酸种类和含量,顶空固相微萃取-气质联用检测挥发性成分。研究发现,黄水中含有氨基酸,不含多肽、蛋白质和生物碱,p H为4.34,乙醇1.04 m L/100 m L,小分子糖含量11.01 mg/m L,氨基酸含量5.11 mg/m L,乙酸737.58 mg/100 m L,甲酸248.73 mg/100 m L,挥发性成分共有56种,其中酯类物质占90.38%。结果表明,白酒发酵副产物黄水的有机成分主要为小分子糖、氨基酸、乙醇、乙酸、甲酸和酯类物质。展开更多
文摘In order to make all kinds of special products of the wood vinegar for pear,the organic components of wood vinegar for pear were analyzed with gas chromatograph-mass spectrometer(GC-MS).The results indicated that wood vinegar for pear was a kind of quite complicated compounds.The organic components of wood vinegar which was collected at the temperature 90~ 240 ℃ were mainly composed by alcoholic compounds,ketonic components,phenolic compounds and organic acids.
文摘本研究对白酒发酵副产物黄水主要有机成分进行定性和定量分析。首先使用指示剂法检测蛋白质或多肽以及生物碱;其次应用标准曲线法测小分子糖、氨基酸,顶空固相微萃取-气相色谱法检测乙醇含量;最后采用高效液相色谱法测有机酸种类和含量,顶空固相微萃取-气质联用检测挥发性成分。研究发现,黄水中含有氨基酸,不含多肽、蛋白质和生物碱,p H为4.34,乙醇1.04 m L/100 m L,小分子糖含量11.01 mg/m L,氨基酸含量5.11 mg/m L,乙酸737.58 mg/100 m L,甲酸248.73 mg/100 m L,挥发性成分共有56种,其中酯类物质占90.38%。结果表明,白酒发酵副产物黄水的有机成分主要为小分子糖、氨基酸、乙醇、乙酸、甲酸和酯类物质。
基金supported by the National Natural Science Foundation of China(21173153)Scientific Research Fund of Sichuan Provincial Education Department,China(12ZB163)+2 种基金Opening Project of Key Laboratory of Green Catalysis of Sichuan Institutes of High Education,China(LYY1101)Runner Technology Innovation Project of Sichuan Province,China(2012ZZ072)Science and Technology Foundation of Southwest Petroleum University,China(2012XJZ037)~~