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- In the second part, we study the synthesis methods of typical phenylpropanoic acid derivatives and salvianic acid A, and try to use baker yeast as a chiral reducing agent to get chiral salvianic acid A. 本文第二部分着重对一些丹参素类化合物及其衍生物的合成方法进行研究。 一方面,设想利用面包酵母还原得到手性的丹参素衍生物;
- RESULTS The traditional process combined with Macroreticular resin, the tannin could be completely removed by the new process, The consequent solution was clear, with no more less of salvianic acid. 结果胶醇树脂法能有效地去除丹参注射液中鞣质,澄明度良好,且损失率无明显降低。
- Determination of Salvianic Acid A and Protocatechuic Aldehyde in Compound Salvianic Dripping Pills by HPLC 高效液相色谱法测定复方丹参滴丸中丹参素和原儿茶醛的含量
- Effect of fertilization on growth and contents of salvianic acid A and protocatechuic aldehyde of Salvia miltiorrhiza 施肥对丹参的生长及丹参素和原儿茶醛含量的影响
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- Salvianic acid 丹参素
- Salvianic acid A 丹参素
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- Keywords DanShen Injection Powder;DanShen;Sodium Salvianic acid;Protocate-chualdehyde;HPLC;extraction procedure;macropore adsorption resin;chemical constituents;structural identification; 注射用丹参;丹参;丹参素钠;原儿茶醛;HPLC;提取工艺;大孔吸附树脂;化学成分;结构鉴定;
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
- This substance must be treated with acid. 这材料得用酸来处理。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
