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黑芥子苷
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  sinigrin
     Recoveries were examined by adding sinigrin(allyl glucosinolate) to grated radish and 92.1%± 2.1% ( ±SD ) of it was recoveried.
     粉碎的萝卜中添加黑芥子苷,回收率为92.1%±2.1%(\%±SD\%)。
短句来源
     Using sinigrin as substrate,the properties of myrosinase in Brassica juncea Coss. Var.
     以黑芥子苷为底物,用葡萄糖测定试剂盒法对茎用芥菜芥子苷酶的特性进行了研究。
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  相似匹配句对
     Black Tulips
     郁金香
短句来源
     The Dark Eye
     眼睛
短句来源
     Progress of Studies on Myrosinase
     芥子苷酶研究进展
短句来源
     Recoveries were examined by adding sinigrin(allyl glucosinolate) to grated radish and 92.1%± 2.1% ( ±SD ) of it was recoveried.
     粉碎的萝卜中添加芥子苷,回收率为92.1%±2.1%(\%±SD\%)。
短句来源
     Using sinigrin as substrate,the properties of myrosinase in Brassica juncea Coss. Var.
     以芥子苷为底物,用葡萄糖测定试剂盒法对茎用芥菜芥子苷酶的特性进行了研究。
短句来源
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  sinigrin
The effect of sinigrin on the feeding of Pieris brassicae L.
      
When transferred to a diet which contains powdered cabbage or sinigrin their feeding is increased by about 20 per cent.
      
The feeding response of six aphid species to sinigrin, a mustard oil glucoside, was investigated.
      
Sinigrin was a powerful phagostimulant for Hyadaphis = (Lipaphis) erysimi and Brevicoryne brassicae, whose host ranges are restricted primarily to the Cruciferae.
      
erysimi was induced to feed on ten non-host species when leaves were systemically treated with sinigrin.
      
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This paper described a GC method to determine MTB GSL(4 methylthio 3 butenyl glucosinolate) in radish root. MTB GSL in the root was hydrolyzed to MTB ITC(4 methylthio 3 butenyl isothiocyanate) with the endogenous myrosinase by grating. MTB ITC was determined by gas chromatography, and MTB GSL was calculated from MTB ITC. Recoveries were examined by adding sinigrin(allyl glucosinolate) to grated radish and 92.1%± 2.1% ( ±SD ) of it was recoveried. Two radish cultivars were determined. More MTB GSL...

This paper described a GC method to determine MTB GSL(4 methylthio 3 butenyl glucosinolate) in radish root. MTB GSL in the root was hydrolyzed to MTB ITC(4 methylthio 3 butenyl isothiocyanate) with the endogenous myrosinase by grating. MTB ITC was determined by gas chromatography, and MTB GSL was calculated from MTB ITC. Recoveries were examined by adding sinigrin(allyl glucosinolate) to grated radish and 92.1%± 2.1% ( ±SD ) of it was recoveried. Two radish cultivars were determined. More MTB GSL were observed in the tip than in the upper part and more in the phloem than in the xylem.

应用气相色谱法测定萝卜中的MTBGSL(4甲硫基3丁烯基芥子油葡糖苷)含量。利用萝卜内部的芥子酶,使MTBGSL水解脱去葡萄糖,测定水解生成的MTBITC(4甲硫基3丁烯基芥子油),然后通过化学反应式计算得到MTBGSL的含量。粉碎的萝卜中添加黑芥子苷,回收率为92.1%±2.1%(\%±SD\%)。应用该法测定的结果,萝卜皮部MTBGSL的含量高于肉质部,肉质部又以尾部含量最高,中部次之,头部最低。

In Order to protect the freshness of fruits and vegetables, the characters of chitosan,including viscosity,transparency,gel performance and its coating properties are investigated. The result indicated that the viscosity is interrelation with temperature, concentrate and hydrogn ion. The transparensy and the gel strength with the optimum addition can be increased. Its coating propeties are reference to the concentration of chitosan and medium.

借助于离子色谱(IC)和色-质联用技术(GC-MS)对传统方法及新工艺腌制的咸雪菜卤汁中有机酸组分以及挥发性风味物质进行了检测。检测结果为,传统方法制作的咸雪菜卤汁中有机酸主要为琥珀酸。新老工艺成品中挥发性成分是以丁烯腈类为主,新工艺成品中还有一定量的异硫氰酸烯丙酯及醋酸乙酯。本文还对雪菜中风味前体物质黑芥子苷的呈味机理及其降解产物与咸雪菜的风味关系进行了探讨。研究结果为雪菜的腌制加工提供参考。

Using sinigrin as substrate,the properties of myrosinase in Brassica juncea Coss. Var. tumida Tsen et Lee was investigated by HK test. The results indicated that the Km and Vmax of the enzyme were 5.22 mmol/L and 0.036 mmol/(L·min)respectively. The optimal temperature of tested myrosinase was 50 ℃,and optimal pH was 8.0. Ascorbic acid can activate the enzyme,which reaches to a climax with an Ascorbic acid concentration of 10 mmol/L. NaCL has an inhibitory effect on activity of tested myrosinase,and 10% NaCl...

Using sinigrin as substrate,the properties of myrosinase in Brassica juncea Coss. Var. tumida Tsen et Lee was investigated by HK test. The results indicated that the Km and Vmax of the enzyme were 5.22 mmol/L and 0.036 mmol/(L·min)respectively. The optimal temperature of tested myrosinase was 50 ℃,and optimal pH was 8.0. Ascorbic acid can activate the enzyme,which reaches to a climax with an Ascorbic acid concentration of 10 mmol/L. NaCL has an inhibitory effect on activity of tested myrosinase,and 10% NaCl completely inhibites the enzyme. Mineral ions, including AI3+、Ca2+、Mg2+?、Fe3+,could enhance the activity of the enzyme, which depends on the ion type.

黑芥子苷为底物,用葡萄糖测定试剂盒法对茎用芥菜芥子苷酶的特性进行了研究。结果表明,茎用芥菜芥子苷酶的Km为5.22mmol/L,Vmax为0.036mmol/(L·min),其最适反应温度为50℃,最适pH为8.0。抗坏血酸具有激活芥子苷酶的作用,在抗坏血酸浓度为10mmol/L时,酶活力最大。NaCl对该酶有抑制作用,10%NaCl可完全抑制该酶的活性。Al3+、Ca2+、Mg2+、Fe3+对芥子苷酶的影响作用因离子类型不同而异。

 
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