查询词典 putrescine

At the stage of rapid cell expansion of longan fruit, the contents of free putrescine, sperdimine and spermine in aril rose rapidly, and maintained at a high level.

在果实迅速膨大期，假种皮内游离的腐胺、亚精胺、精胺含量迅速上升，并处在较高的水平。

Such as putrescine or cadaverine formed by the action of putrefactive bacteria.

腐烂细菌反应形成的各种胺。

Any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria.

腐烂细菌反应形成的各种胺。

The results indicated that cadaverine and putrescine were the highest in the changes of biogenic amines in white prawn during storage at 0℃ and 4℃, suggesting that these two biogenic amines could be used as the potential quality indices of freshness in white prawn.

结果表明，在0和4℃两种贮藏温度下，尸胺和腐胺发生的变化均最显著，可以其作为凡纳滨对虾新鲜程度的参考指标，确定最长贮藏时间分别为8d和6d。

The results indicated that all tested strains could produce 0.83~8.41 mg/kg of tyramine, putrescine, cadaverine, histamine, spermine and spermidine, but none of them could produce tryptophan-amine in sausage fermentation, the biogenic amines' content in sausage was dependent on strain obviously.

结果表明，供试乳杆菌和片球菌均能产生0.83~8.41mg/kg不等量的组胺、尸胺、腐胺、酪胺、亚精胺和精胺，但都不产生色胺，产品中的生物胺生成量表现出明显的菌株效应。

A method for the determination of histamine,2-phenylethylamine,tryptamine,putrescine,cadaverine,spermidine and spermine in fish using micellar electrokinetic capillary chromatography was developed.

建立了一种利用胶束电动毛细管色谱同时检测鱼肉中组胺、腐胺、2-苯乙基胺、尸胺、色胺、亚精胺及精胺7种生物胺的方法。

With the coculture starter (P. pentosaceus I9 and Staphylococcus xylosus I2), both the total biogenic amine (from 28.21 mg/kg to 17.93 mg/kg) and the content of histamine, cadaverine, putrescine and tyramine were decreased significantly.

采用复配菌种发酵可以明显降低香肠中组胺、尸胺、腐胺和酪胺，总生物胺的含量从28.21mg/kg降至17.93mg/kg。

High microbial counts, which characterize fermented foods often unavoidably lead to considerable accumulation of biogenic amines, especially tyramine, 2-phenylethylamine, tryptamine, cadaverine, putrescine and histamine.

微生物可产生大量生物胺，尤其是酪胺、苯乙胺、色胺、尸胺、丁二胺、组胺。

In this study, seven biogenic amines contents in Litopenaeus vannmei, including tyramine, putrescine, cadaverine, histamine, agmatine, spermidine and spermine, were determined by using a reverse-phase HPLC method with automatic post-column o-phthalalde-hyde derivatization.

以邻苯二甲醛为柱后衍生化试剂，采用反相HPLC法测定凡纳滨对虾中的酪胺、腐胺、尸胺、组胺、胍丁胺、精胺和亚精胺等7种生物胺。

Spermine, spermidine, putrescine and tyramine seem to be essential constituents of beer because they were found in all or in almost all samples.

Spermine，spermidine，putrescine和酪似乎是至关重要的，因为他们的啤酒成分在所有的或者被发现几乎所有的样品。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。