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香菇精
相关语句
  lenthionine
     The synthetic process of lenthionine was improved by using dibromonethane instead of di-iodomethane to reduce the production cost and procedures, thus the reaction time was shortened to 12 h, and the yield was increased from 35% to 38%.
     研究了香菇精的合成方法,以二溴甲烷代替二碘甲烷降低了生产成本,减少了操作步骤,反应时间缩短至12h,收率由35%提高到38%。
短句来源
     1,2,3,5,6-pentathiepane (lenthionine) was synthesized by dibromomethane instead of diiodomethane. The fature of the method is low cost and simple operation,and the field is highed 20%.
     以二溴甲烷代替二碘甲烷为原料合成了1,2,3,5,6-五硫环庚烷(又名香菇精),该法原料成本低,操作简单,产率提高20%。
短句来源
     Synthesis and thermal analysis of lenthionine
     香菇精的合成及热分析研究
短句来源
     IMPROVEMENT OF SYNTHESIS OF LENTHIONINE
     香菇精的合成方法改进
短句来源
     The special volatile flavor compounds are: dimethyl disulfide, dimethyl trisulfide, methylthio dimethyl trisulfide, 1,2, 4-trithiolane and lenthionine.
     其中二甲基二硫醚、二甲基三硫醚、甲硫基二甲基三硫醚、1,2,4-三硫杂环戊烷、香菇精是香菇的特征风味成分。
短句来源
  “香菇精”译为未确定词的双语例句
     Based on the retrieval and analysis of the Bibliographer, the methods of water-disitillation extraction, sametime-disitillation extraction and supercritical CO_2 extraction for the extraction of three typical kinds of natural substances in Zhejiang Province were evaluated experimentally.
     论文在文献阅译和工艺原理分析的基础上,以浙江比较有特色的三种天然物质为研究对象,实验评估了水蒸气蒸馏、同时蒸馏萃取和CO_2超临界萃取等方法,研究了金柑挥发油、白玉兰花挥发油和香菇精等三种天然香精的不同提取工艺,重点研究了CO_2超临界萃取工艺与成份分析方法。
短句来源
     The structure of the product was characterized by IR, 1H NMR and MS.
     产物经IR、1HNMR、MS分析,证实该化合物为香菇精
短句来源
     The extration and analysis of volatile compounds from Lentinus edodes
     香菇精的提取与成分分析
短句来源
     In this paper, a relatively quantitive analysis method on volatile substance of Lentinus edode was firstly established, then the optimised stream distillation process was obtained after several mono-factor experiments:50 grams dryed Lentinus edodes with 100 mesh as the pulverized degree, 1:15 as the raw material to water put in a 2L flask, stream distilled for 2h.
     先确定了香菇水蒸汽蒸馏所得总挥发性物质———香菇精的相对含量分析方法,然后通过多个单因素试验确定的香菇精水蒸气蒸馏的优化提取工艺条件为:50g原料粉碎至100目,按1∶15固液比加入2L圆底烧瓶中,水蒸气蒸馏提取2h。
短句来源
  相似匹配句对
     Synthesis and thermal analysis of lenthionine
     香菇的合成及热分析研究
短句来源
     IMPROVEMENT OF SYNTHESIS OF LENTHIONINE
     香菇的合成方法改进
短句来源
     A Producing of Dried Mushroom Beverage
     香菇饮料的研制
短句来源
     The effect component of shiitake
     香菇的有效成分
     Precision Farming
     准农业
短句来源
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  lenthionine
Concerning the smell of dried shiitake mushrooms [Lentinula edodes (Berk.) Pegler], 1,2,3,5,6-pentathiepane, commonly known as lenthionine, has been reported as a key compound.
      
Also, comparing the sensory intensity with the amounts of volatile components showed positive significant correlations at 1% risk between sensory intensity and three compounds: 1,2,4-trithiolane, 1,2,4,6-tetrathiepane, and lenthionine.
      


In this paper, a relatively quantitive analysis method on volatile substance of Lentinus edode was firstly established, then the optimised stream distillation process was obtained after several mono-factor experiments:50 grams dryed Lentinus edodes with 100 mesh as the pulverized degree, 1:15 as the raw material to water put in a 2L flask, stream distilled for 2h. Finally, the components of volatile substance by optimized process were analysed, and 13 compounds including three key sensory volatile were identified....

In this paper, a relatively quantitive analysis method on volatile substance of Lentinus edode was firstly established, then the optimised stream distillation process was obtained after several mono-factor experiments:50 grams dryed Lentinus edodes with 100 mesh as the pulverized degree, 1:15 as the raw material to water put in a 2L flask, stream distilled for 2h. Finally, the components of volatile substance by optimized process were analysed, and 13 compounds including three key sensory volatile were identified.

先确定了香菇水蒸汽蒸馏所得总挥发性物质———香菇精的相对含量分析方法,然后通过多个单因素试验确定的香菇精水蒸气蒸馏的优化提取工艺条件为:50g原料粉碎至100目,按1∶15固液比加入2L圆底烧瓶中,水蒸气蒸馏提取2h。再结合气质联用仪分析,对优化工艺条件下香菇精馏分中的成分进行分析,检测出包括主要呈味物质在内的13种化合物。

The synthetic process of lenthionine was improved by using dibromonethane instead of di-iodomethane to reduce the production cost and procedures, thus the reaction time was shortened to 12 h, and the yield was increased from 35% to 38%. The structure of the product was characterized by IR, 1H NMR and MS.

研究了香菇精的合成方法,以二溴甲烷代替二碘甲烷降低了生产成本,减少了操作步骤,反应时间缩短至12h,收率由35%提高到38%。产物经IR、1HNMR、MS分析,证实该化合物为香菇精

1,2,3,5,6-pentathiepane (lenthionine) was synthesized by dibromomethane instead of diiodomethane. The fature of the method is low cost and simple operation,and the field is highed 20%.The thermal properties of lenthionine was studied by DSC and TG method from room temperature to 300℃ in the static air. Heating rate was 10℃·min~(-1) in the experiments. The results shows that it can be oxidized over 225℃ in air. Therefore, lenthionine should be perserved under 225℃. And it can be used for soup seasoning rather...

1,2,3,5,6-pentathiepane (lenthionine) was synthesized by dibromomethane instead of diiodomethane. The fature of the method is low cost and simple operation,and the field is highed 20%.The thermal properties of lenthionine was studied by DSC and TG method from room temperature to 300℃ in the static air. Heating rate was 10℃·min~(-1) in the experiments. The results shows that it can be oxidized over 225℃ in air. Therefore, lenthionine should be perserved under 225℃. And it can be used for soup seasoning rather than for barbecue.

以二溴甲烷代替二碘甲烷为原料合成了1,2,3,5,6-五硫环庚烷(又名香菇精),该法原料成本低,操作简单,产率提高20%。用差示扫描量热法(DSC)和热重法(TG)研究其热性质,加热温度为室温至300℃,加热速率10℃.min-1,测量氛围为静态空气。结果表明,香菇精超过225℃后热分解,应在225℃以下保存,适用于汤料类调味品而不适于烧烤类调味。

 
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