导读:本文包含了芦丁硬脂酸酯论文开题报告文献综述及选题提纲参考文献，主要关键词:混合单分子膜,黄酮类化合物,芦丁硬脂酸酯,芦丁月桂酸酯
芦丁硬脂酸酯论文文献综述
段煜,杜宗良,唐卫文,吴大诚[1]（2008）在《芦丁硬脂酸酯及芦丁月桂酸酯与硬脂酸混合单分子膜的成膜性质》一文中研究指出采用LB膜分析仪分别研究芦丁硬脂酸酯(RS)和芦丁月桂酸酯(RL)与硬脂酸(SA)的混合膜在不同物质的量条件下的崩溃压、平均分子面积、超额吉布斯函数ΔGex、可压缩性等成膜性能及其影响因素。结果显示,两体系的崩溃压均随SA的含量分数(xSA)增大而增大。对于RS/SA膜体系,随着xA增大其分子间力由吸引过渡为排斥,xSA=0.167附近膜收缩效应最大,形成最稳定的热力学状态,膜压越小SA对膜的收缩或膨胀效应越显着。对于RL/SA膜体系,在任何xSA条件下其分子间力始终为排斥,膜呈膨胀状态,混合体系不稳定,xSA=0.5时,SA对混合膜的膨胀效应最大,体系最不稳定。RS与SA具有相同的疏水链碳数,RS/SA膜体系较RL/SA膜体系的相容性和稳定性好。(本文来源于《四川大学学报(工程科学版)》期刊2008年03期）
段煜,杜宗良,唐卫文,李瑞霞,吴大诚[2]（2007）在《L-α-二油酸磷酯酰胆碱和芦丁硬脂酸酯混合单分子膜的相容性》一文中研究指出Rutin was acylated with stearic acid in esterification reaction catalyzed by immobilized Candida antarctica lipase B(Novozym 435).The results suggested that the regioselectivity of the lipase-catalyzed esterification of rutin was specific at the C4''' position of the rhamnose moiety.The monolayer of dioleoylphosphatidylcholine(DOPC) was used as the model membrane to study their molecular interaction with RS.The miscibility of DOPC/RS mixed monolayers has been investigated by Langmuir film balance to yield quantitative information on the nature of the molecular interaction,which could provide valuable insights to reveal the antioxidative activity mechanism of flavonoids.Pure RS and pure DOPC were capable of forming monolayers with liquid-phase at the air/water interface.The two components of DOPC/RS monolayer were miscible throunghout the mixture composition range.The effects of the temperature of the subphase on the miscibility and molecular interaction of DOPC/RS monolayers were investigated.The miscibility was more excellent at higher temperature.The condensing effect of RS,which represented the attractive forces between DOPC and RS,could be ascribed to the match of molecular shapes of RS and DOPC on the monolayers packing.(本文来源于《化学研究与应用》期刊2007年02期）
段煜,杜宗良,唐卫文,吴大诚[3]（2006）在《硬脂酸和月桂酸在Novozym 435催化下对芦丁酯化及分子筛对酯化率的影响》一文中研究指出为了增加芦丁的脂溶性从而使其具有更优秀的抗氧化活性,以硬脂酸和月桂酸为酰基供体,在脂肪酶Novozym 435催化下对芦丁选择性酯化。经色谱柱提纯,得到两种带不同长度烃基的芦丁脂肪酸酯。用红外光谱和核磁共振波谱对芦丁硬脂酸进行了结构鉴定,表明该类酯化物的酯化反应位为鼠李糖的C4位羟基。以高效液相色谱监测酯化反应进程,分子筛添加时间对酯化率的研究结果显示,分子筛对酯化率和反应速率有提高的作用。分子筛添加时间对酯化率有影响。对于硬脂酸为酰基供体的情况,反应24 h后添加分子筛的酯化反应可以得到最大的酯化转化率46%。以月桂酸为酰基供体的酯化反应,反应11 h后添加分子筛可以得到最大的酯化转化率64.5%。(本文来源于《天然产物研究与开发》期刊2006年05期）
芦丁硬脂酸酯论文开题报告
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Rutin was acylated with stearic acid in esterification reaction catalyzed by immobilized Candida antarctica lipase B(Novozym 435).The results suggested that the regioselectivity of the lipase-catalyzed esterification of rutin was specific at the C4''' position of the rhamnose moiety.The monolayer of dioleoylphosphatidylcholine(DOPC) was used as the model membrane to study their molecular interaction with RS.The miscibility of DOPC/RS mixed monolayers has been investigated by Langmuir film balance to yield quantitative information on the nature of the molecular interaction,which could provide valuable insights to reveal the antioxidative activity mechanism of flavonoids.Pure RS and pure DOPC were capable of forming monolayers with liquid-phase at the air/water interface.The two components of DOPC/RS monolayer were miscible throunghout the mixture composition range.The effects of the temperature of the subphase on the miscibility and molecular interaction of DOPC/RS monolayers were investigated.The miscibility was more excellent at higher temperature.The condensing effect of RS,which represented the attractive forces between DOPC and RS,could be ascribed to the match of molecular shapes of RS and DOPC on the monolayers packing.
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芦丁硬脂酸酯论文参考文献
[1].段煜,杜宗良,唐卫文,吴大诚.芦丁硬脂酸酯及芦丁月桂酸酯与硬脂酸混合单分子膜的成膜性质[J].四川大学学报(工程科学版).2008
[2].段煜,杜宗良,唐卫文,李瑞霞,吴大诚.L-α-二油酸磷酯酰胆碱和芦丁硬脂酸酯混合单分子膜的相容性[J].化学研究与应用.2007
[3].段煜,杜宗良,唐卫文,吴大诚.硬脂酸和月桂酸在Novozym435催化下对芦丁酯化及分子筛对酯化率的影响[J].天然产物研究与开发.2006