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Purified water, Vegetable glycerine, Avocado oil, Cetearyl wheat straw glycosides and cetearyl alcohol, Vegetable glycoerol stearate, Evening primrose oil, Rosehip oil, Calendula oil, Vitamin E, Vitamin A palmitate, Green tea leaf extract, Ginkgo biloba extract, Grapefruit seed extract, 100% natural fragrance (essential oil blend of orange blossom, ylang ylang, rose, jasmine, tonka bean), phenoxyethnol, Iodopropynyl butylcarbamate.

纯水, 蔬菜甘油,鳄梨油,麦秸鲸蜡硬脂基葡糖苷和十六烷基醇,蔬菜银杏硬脂酸,月见草油,野玫瑰果籽油,金盏菊油,维生素E ,维生素A棕榈酸酯,绿茶叶提取物,银杏叶提取物,葡萄柚籽提取物, 100 %天然香料(精油混合橘子的花,依兰依兰,玫瑰,茉莉花,零陵香豆),苯氧乙醇,碘代丙炔基氨基甲酸丁

4R,5S,6R-5,6-Bis-allyl-6-aldehyde-γ-hexanelactone I-145 was prepared from D-arabinose by six steps. Compound I-145 underwent Mukaiyama-type intramolecular aldolization to produce bicyclooctane I-147 stereospecifically.

我们以D-阿拉伯糖为起始原料,经六步反应,得到(4R,5S,6R)-5, 6-二烯丙氧基-6-醛基-γ-己酸内酯I-145,然后I-145发生分子内的Mukaiyama式aldol缩合反应,完全立体专一性地得到环化中间体I-147。

The invention relates to the synthesis of N-aryl group-3-(4-Beta-D-pyran allose glycoside phenyl)-5-formyl isoxazole-4-formamide and discloses a helicid derivative which can improve the functions of a central nervous system and the preparation method thereof; wherein, the compound has good sedative, hypnotic and anti-convulsant effects and is taken in the 2000 edition Chinese Pharmacopoeia with the drug name of helicid tablets.

N-芳基-3-(4-β-D-吡喃阿洛糖苷苯基)-5-甲酰基异唑-4-甲酰胺的合成,发明公开了具有改善中枢神经系统功能的豆腐果苷类衍生物,及其制备方法。该类化合物具有良好的镇静、安眠、抗惊厥作用。目前已以药品名&神衰果素片&被收入2000年版《中国药典》。

In order to obtainin crystallin...

总产率是18%。将已知的结晶的2-O-对甲苯磺酰基-β-D-木糖甲基呋喃甙进行对甲苯磺酰化,得到与上述完全相同的Ⅲ,这样就证明了Ⅲ的端基的构型。

The hydrolyzation was studied by measuring surface tension change with time and that of these trisiloxane surfactants were very serious.

第五章合成了三个连接基为亲水性的葡糖酞胺基二聚三硅氧烷表面活性剂,并测定了其性能。

Affinity chromatography materials for kinase;2. To search a suitable process route of purification of kinase in yeast by affinity chromatography, hexokinase was preparatorily purified by salt preciptation.

为确定一条采用亲和层析技术分离纯化酵母中磷酸激酶的较佳工艺路线,采用分步盐析初步纯化己糖激酶,考察硫酸铵饱争度对盐析效果的影响;以ATP为配基,SESA活化纸纤堆素制备亲和层析剂,确定最佳偶联条件和最佳静态吸附pH值后,将粗酶液直接上亲和层析柱,看分离纯化的效果;在载体和配基之问接上1。

All these results suppose that COCH gene may play an architectural function in inner ear mesenchymic extracellular matrix, and this architectural stability is critical for the potassium recycling in cochleae and the normal level of endocochlear potential.

COCH基因功能的初步推论,COCH基因可能编码内耳间质组织中一种分泌型糖蛋白,通过与间质组织中其它细胞外基质成分的结合,共同形成稳定的细胞外基质结构框架。

The development and application of matrix assisted laser desorption ionization time of flight mass spectrometry to the analysis of carbohydrates and their conjugates were reviewed.

综述了基质辅助激光解吸电离-飞行时间质谱(MALDI-TOF-MS)的发展、在糖类化合物结构研究时常选用的基质,以及在不同类型糖化合物分析中的应用。

The results showed that Kaidimycin was chemically neutral, macrocylic polylactones, stable and liable to dissolve into water and pyridine, slight to dissolve into methanol, ethanol and N-butanol, difficult to dissolve into ethyl acetate, acetone, benzene and chloroform. Chemical reaction of functional group of Kaidimycin showed that it had glycoside, amino acid and aldehyde, no reducing sugar, polypeptide and phenol.

凯地菌素属中等极性的、中性抗生素,极性纸层析结果与多烯类抗生素的纸层析结果相似:易溶于水、吡啶,微溶于甲醇、乙醇、正丁醇,不溶于乙酸乙酯、丙酮、苯、三氯化碳;对高温、光照和紫外处理有很好的稳定性;官能团反应试验结果发现,凯地菌素可能含有糖苷键、氨基酸伯氨基和醛基,不含有还原糖、多肽和酚基,高锰酸钾、浓硫酸反应与多烯大环内酯类抗生素的特性相似;并且依据纯品,采用生物法和分光光度法对摇床发酵液进行了效价的测定。

The hydrolysates from oat xylan using Xyn Ⅰ Xyn Ⅱ and their mixture for hydrolysis were analysed by HPLC. It was showed that Xyn Ⅰ hydrolyzed mainly the unsubstituted regions of oat xylan, and hydrolytes were high xylooligosaccharides; whereas Xyn Ⅱ exhibited greater catalytic versatility than Xyn Ⅰ and were able to attack substituted regions of the polysaccharide and showed greater activity to low xylooligosaccharides than Xyn Ⅰ to give xylobiose as the main hydrolysate. The purified xylanases were acidic enzymes.

以纯化酶组分及其混合物水解燕麦木聚糖,采用高效液相色谱分析相应的水解产物,结果表明,Xyn Ⅰ降解燕麦木聚糖时,主要降解作用发生在底物中没有取代基的区域,水解产物的聚合度较高;Xyn Ⅱ对底物具有更强的适应性,能降解底物中有取代基的区域,相对Xyn Ⅰ酶组分,Xyn Ⅱ酶组分对低聚合度的木聚糖的活性更高,木二糖为主要降解产物。

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