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- Monoglycerides,sugar esters,polyglyceryl fatty esters and long chain fatty wax esters are important biosurfactants. 脂肪酸单甘油酯、脂肪酸糖酯、聚甘油脂肪酸酯和长链脂肪酸蜡酯是重要的生物表面活性剂。
- Sugar esters with different HLB values are applied to be the emulsifier to stabilize the dispersion of nano/submicro cellulose. 以不同HLB值之蔗糖酯为乳化剂,稳定奈米/次微米纤维素悬浮液。
- Sugar esters are nonionic surfactants.Because of their amphiphilic nature, they are widely used in pharmaceutical, food and cosmetic industries. 糖酯作为一种非离子型表面活性剂,由于特殊的两亲结构,已广泛应用于医药、食品及化妆品工业。
- Hardegree et al demonstrate that the toxic effect of non ionic sugar ester surfactants is correlated with free fatty acid level. 证明非离子糖酯表面活性剂的毒素作用与脂肪酸标准有相互关系。
- The paper briefly introduced applications of the biosurfactant sugar esters in foods,and summarized research progress of enzymatic synthesis of sugar esters in non-aqueous medium. 概要地介绍了生物表面活性剂糖酯在食品中的应用,并对酶促合成糖酯的研究进展进行了综述。
- Its addition was optimized as 0.6% phosphate caseinate, 0.3% sugar ester, 0.2% CMC. 其最佳添量为磷酸化酪朊酸钠0.6%25,蔗糖酯0.3%25,海藻酸纳0.2%25。
- Lipase is a kind of high efficiency and specific biocatalyst. It can catalyze the synthesis of sugar ester in non-aqueous medium. 酶是一种高效、专一的生物催化剂,在非水介质中能够选择性地催化糖酯合成反应,其温和、高效的独特优点已经使酶法合成糖酯受到广泛的关注。
- By simulated experiment, the best synthesis effect of emulsificater is the same proportion for Distilled Monoglyceride and sugar ester with HLB of 15 for chocolate milk. 通过模拟试验证明,当分子蒸馏单甘酯和HLB值为15的蔗糖酯以1:1的比例复配时的效果最佳。
- This article summarizes the recent development in the sugar ester's synthesis catalyzed by enzymes, including in organic solvents and solvent - free condition. 对糖脂化合物的酶促合成研究进行了总结,其中包括有机相中和无溶剂条件下的糖脂酶促合成。
- The effects of phenylboronic acid on the solubility of sugar, selectivity of the reaction and rate of the reaction during enzymatic synthesis of sugar esters in organic solvent were studied. 摘要在非水相酶法合成糖酯过程中,引入苯基硼酸作为助溶剂,考察了苯基硼酸提高糖的溶解度、反应专一性和反应速率的效果。
- The effects of phenylboronic acid on the solubility of sugar,selectivity of the reaction and rate of the reaction during enzymatic synthesis of sugar esters in organic solvent were studied. 在非水相酶法合成糖酯过程中,引入苯基硼酸作为助溶剂,考察了苯基硼酸提高糖的溶解度、反应专一性和反应速率的效果。
- Sugar esters could be prepared enzymatically under mild conditions with a high specificity.Synthesis of sugar esters in organic solvents is difficult due to the low solubility of sugars. 酶法合成糖酯反应条件温和,选择性高,有机介质中酶促糖酯合成的困难在于糖类化合物的低溶解度。
- Do you take milk and sugar in your tea? 你的茶里要加牛奶和糖吗?
- An ounce of sugar has about 100 calories. 一盎司的糖含约100大卡的热量。
- He has shaken down the sugar in the bag. 他已把袋里的糖摇结实了。
- The second batch of sugar is better than the first. 第二批制成的糖比第一批好。
- How many calories can an ounce of sugar supply? 一盎司糖可以供给多少卡热量?
- Sugar and starch are broken down in the stomach. 糖和淀粉在胃里被分解。
- They often use sugar to make caramel. 他们经常用糖制作焦糖。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯