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白芥子苷
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  sinalbin
     Second, seperate sinalbin, sinapine, 3 -sitosterol, from extract of Brassica alba's seeds.
     从白芥子提取物中分离得白芥子苷(sinalbin)、白芥子碱(sinapine)、β-谷甾醇(β-sitosterol)。
短句来源
     Our results indicate that sinalbin is an important indicative chemical or feeding stimulant in host plant part preference by the cabbage aphid.
     因此 ,本实验的结果证明 ,白芥子苷是甘蓝蚜寄主部位选择的关键信号化学物质或取食促进剂。
短句来源
     Sinalbin and β-sitosterol seperated from seeds of Brassica alba were used to test the activities.
     从白芥子提取物中分离得到的白芥子苷和白芥子β-谷甾醇为药效研究对象。
短句来源
  “白芥子苷”译为未确定词的双语例句
     Third, use HPLC to measure the content of P -sitosterol; use GC and GC-MS to analyze and measure the component and content of fatty acid in ether extract of Brassica alba's seeds , the component and content of amino acid in seeds of Brassica alba are also analyzed and measured.
     采用高效液相色谱法(HPLC)测定白芥子β-谷甾醇含量,采用气相色谱法(GC)、气质联用技术(GC-MS)分析测定白芥子脂肪酸成分与含量,采用氨基酸自动分析仪测定白芥子中氨基酸的成分与含量,采用硫酸钡沉淀法测定白芥子苷含量,采用双相滴定法测定白芥子碱含量。
短句来源
  相似匹配句对
     THE WHITE DUCK
     鸭子
短句来源
     The White Butterfly
     蝴蝶
短句来源
     Sinalbin and β-sitosterol seperated from seeds of Brassica alba were used to test the activities.
     从芥子提取物中分离得到的芥子苷芥子β-谷甾醇为药效研究对象。
短句来源
     Progress of Studies on Myrosinase
     芥子苷酶研究进展
短句来源
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  sinalbin
Of the compounds tested, the female does not show a significant preference for either sinigrin, sinalbin or glucotropaeolin tetramethylammonium salt.
      
Sinalbin, another glucosinolate, was at least as active as sinigrin.
      
inaffectatus while the other host plant compounds and allyglucosinolate (sinigrin), 3-methylsulphinylpropylglucosinolate (glucoiberin), benzylglucosinolate (glucotropaeolin) and p-hydroxybenzylglucosinolate (sinalbin) were weaker stimulants.
      
No sinalbin could be detected in their haemolymph.
      
The glucosinolates sinalbin and sinigrin, offered in a concentration comparable to that in the sawfly haemolymph, were deterrent to the ants, but not as strongly as the corresponding haemolymph samples.
      
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Feeding behavior of the cabbage aphid ( Brevicoryne brassicae ) was recorded with electrical penetration graph (EPG) and glucosinolates in tissues of mustard ( Sinapis alba ) parts were analyzed with HPLC to investigate the roles of glucosinolates in the host plant part preference by the aphid. Three plant parts of mustard were chosen for EPG recording and chemical analysis, i.e., the laminas and petioles of the 7th fully expanded leaves, and stems of flower buds. Stylets of the aphids on the stems could...

Feeding behavior of the cabbage aphid ( Brevicoryne brassicae ) was recorded with electrical penetration graph (EPG) and glucosinolates in tissues of mustard ( Sinapis alba ) parts were analyzed with HPLC to investigate the roles of glucosinolates in the host plant part preference by the aphid. Three plant parts of mustard were chosen for EPG recording and chemical analysis, i.e., the laminas and petioles of the 7th fully expanded leaves, and stems of flower buds. Stylets of the aphids on the stems could reach the phloem with less probes and shorter time compared to those of aphids on other two parts. And no significant differences were found in feeding behaviors among aphids on three plant parts once sustained ingestion started in the phloem. Only sinalbin of three glucosinolates was found from epidermis and cortex in the stems of flower buds. Our results indicate that sinalbin is an important indicative chemical or feeding stimulant in host plant part preference by the cabbage aphid.

利用刺吸电位技术 (EPG)记录甘蓝蚜Brevicorynebrassicae在芥菜Sinapisalba不同部位上的取食行为 ,同时用高压液相色谱 (HPLC)分析芥菜相应部位的芥子油苷 (glucosinolates)含量 ,据此分析芥子油苷在甘蓝蚜对寄主部位偏好行为中的作用。选择芥菜三个部位进行取食行为记录和化学分析 ,即新出完全叶 (第 7片 )的叶片、叶柄 ,以及花茎。相对于其它两个部位 ,甘蓝蚜的口针在花茎上用较少的刺探次数和较短的时间到达韧皮部 ;一旦口针进入韧皮部持续吸食阶段 ,蚜虫在三个部位的取食行为没有太大的差异。只在花茎的表皮和皮层中测定到较高含量的白芥子苷 (glucosinalbin)。因此 ,本实验的结果证明 ,白芥子苷是甘蓝蚜寄主部位选择的关键信号化学物质或取食促进剂。

Objective: To study the active components and their functionary mechanism of the extract of Brassica alba seeds, which inhibits experimental mice prostatic hyperplasia. Method: Prostatic hyperplasia of castrated male mice induced by testosterone propionate, the penetrability of capillary vessel of mice skin induced by histamine and the endermic flesh bud of rat induced by filter paper were used as experimental models. Sinalbin and β-sitosterol seperated from seeds of Brassica alba were used to test the activities....

Objective: To study the active components and their functionary mechanism of the extract of Brassica alba seeds, which inhibits experimental mice prostatic hyperplasia. Method: Prostatic hyperplasia of castrated male mice induced by testosterone propionate, the penetrability of capillary vessel of mice skin induced by histamine and the endermic flesh bud of rat induced by filter paper were used as experimental models. Sinalbin and β-sitosterol seperated from seeds of Brassica alba were used to test the activities. Result: Sinalbin and β-sitosterol(16.0 mg·kg-1·d-1 and 8.0 mg·kg-1·-1)could significantly inhibit mice prostatic hyperplasia induced by testosterone propionate and activity of serum acid phosphatase(P<0.01 or P<0.05), Sinalbin(16.0 mg·kg-1·d-1)could significantly inhibit the hyperplasia of endermic flesh bud in rat induced by filter paper(P<0.05), bbbbbb-sitosterol(16.0 mg·kg-1·d-1 and 8.0 mg·kg-1·d-1)could significantly decrease the penetrability of capillary vessel of mice skin induced by histamine. Conclusion: Sinalbin and bbbbbb-sitosterol have anti-androgen and anti-inflammation activities.

目的:研究白芥子提取物抑制前列腺增生的活性成分和作用机理。方法:采用丙酸睾酮诱导的去势小鼠前列腺增生;组胺诱导的小鼠皮肤毛细血管通透性增加;滤纸片埋藏诱发的大鼠皮下肉芽肿为动物模型。从白芥子提取物中分离得到的白芥子苷和白芥子β-谷甾醇为药效研究对象。结果:白芥子苷(16.0,8.0mg·kg~(-1)·d~(-1))和β-谷甾醇(16.0,8.0 mg·kg~(-1)·d~(-1))均能明显降低由丙酸睾酮诱发的去势小鼠前列腺增生,降低小鼠血清酸性磷酸酶活力(P<0.01或P<0.05);白芥子苷(16.0 mg·kg~(-1)·d~(-1))能明显降低滤纸片埋藏引起的大鼠肉芽肿增殖(P<0.05);β-谷甾醇(8.0,16.0 mg·kg~(-1)·d~(-1))能明显降低组胺诱发的小鼠毛细血管通透性增加(P<0.05)。结论:白芥子苷、β-谷甾醇具有抗雄激素和抗炎活性。

 
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