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1.Main business activities: Manufacture and sell Niacin, Niacinamide, Betaine(Betaine Hydrochloride, Betaine Anhydrous, Betaine Citrate, Betaine phosphate and Betaine Monohydrate) and other relative fine chemicals.
主营业务:生产销售烟酸?烟酰胺?甜菜碱(盐酸甜菜碱?无水甜菜碱?柠檬酸甜菜碱?磷酸甜菜碱和一水甜菜碱)和相关精细化工产品?收藏指正
2.2 How dose betaine affect DNA-methyltransferase.
甜菜碱如何影响DNA甲基转移酶的活性.收藏指正
3.In the higher plant, betaine is synthesized by the choline monooxygenase (CMO ) and betaine aldehyde dehydrogenase (BADH ).
在一些高等植物中甜菜碱的合成由胆碱单氧化酶(CMO)和甜菜碱醛脱氢酶(BADH)催化合成。收藏指正
4.In higher plant, betaine is synthesized by a two-step reaction: choline→betaine aldehyde→betaine. The first reaction is catalysed by choline monooxygenase (CMO) while the following is catalysed by betaine aldehyde dehydrogenase (BADH).
高等植物中，甜菜碱以胆碱为底物经两步酶催反应生成，即：胆碱→甜菜碱醛→甜菜碱，催化第一步反应的是胆碱单加氧酶(choline monooxygenase,CMO)，催化第二步反应的是甜菜碱醛脱氢酶(betaine aldehyde dehydrogenase, BADH)。收藏指正
5.In higher plants, betaine is synthesized by a two-step oxidation of choline: choline - betaine aldehyde -betaine. The first step is catalyzed by choline monooxygenase (CMO). The second step is catalyzed by betaine aldehyde dehydrogenase (BADH).
高等植物中，甜菜碱由胆碱经两步酶催氧化得到，即：胆碱--→甜菜碱醛--→甜菜碱，催化第一步反应的酶是胆碱单加氧酶(choline monooxygenase，CMO)，催化第二步反应的酶是甜菜碱醛脱氢酶(betaine aldehyde dehydrogenase，BADH)。收藏指正
6.The proceeding is choline?betaine aldehyde?glycine betaine,which the first step is established by choline monooxygenase(CMO), and the secondstep is done by betaine aldehyde dehydrogenase(BADH).
高等植物甜菜碱的生物合成包括两步反应：胆碱→甜菜碱醛→甘氨酸甜菜碱，这两步反应分别由胆碱单加氧酶（CMO）和甜菜碱醛脱氢酶（BADH）催化。收藏指正
7.Choline dehydrogenase (CDH) is a key enzyme in betaine synthesis. It can synthesize betaine from choline in one step.
从大肠杆菌中克隆的胆碱脱氢酶基因(betA)是甘氨酸甜菜碱合成的关键酶基因,该基因编码的胆碱脱氢酶(CDH)可将胆碱一步合成为甜菜碱。收藏指正
8.Studies on the effect of betaine on serum hormone and cAMP in laying hens
甜菜碱对蛋鸡产蛋期血清激素及环腺苷酸影响的研究收藏指正
9.A Hypersil NH_2 column was used for the determination of betaine. The mobile phase for betaine was acetonitrile-water(25∶75),and ELS detector was used.
甜菜碱采用Hypersil NH2柱,乙腈-水(25∶75)为流动相,蒸发光检测器。收藏指正
10.Results The tumor inhibition micee of betaine of different dosages are 39.8%、25.7%、17.7% respectively, betaine of high dosage can remarkably decrease the activity of LDH、ALD、CK, P<0.01. betaine of median and low dosages can decrease the activity of LDH、ALD、CK, P<0.05. Conclusion Betaine can inhibit the growth of tumor cells in mice bearing S180, its effect has correlation with dosage.
结果不同剂量组对S180荷瘤小鼠的抑制率分别为39.8%、25.7%、17.7%,甜菜碱高剂量组可以极其显著地降低乳酸脱氢酶、醛缩酶和肌酸激酶活力,P<0.01。 中剂量和低剂量可显著地降低血清乳酸脱氢酶、醛缩酶和肌酸激酶活力,P<0.05。收藏指正
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