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Thesulfationofawater-insolubleGanodermalucidumpolysaccharide(GLP)wassuccessfullycarri...
The sulfation of a water-insoluble Ganoderma lucidum polysaccharide (GLP) was successfully
carried out with chlorosulfonic acid-pyridine in dimethyl formamide to prepare three sulfated GLP
derivatives, named sGLP1, sGLP2, and sGLP3. The chemical structure of the sulfated GLP was
confirmed by Fourier transform infrared and 13C NMR analyses. The sGLPs were evaluated for their
water solubility, degree of substitution (DS), antioxidant properties, and bile acid-binding capacities.
The results showed that sulfation improved the water solubility of GLP and increased its scavenging
capacities against hydroxyl and superoxide anion radicals, hydrogen peroxide-scavenging activity,
Fe(II) chelating ability, reducing power, and bile acid-binding capacities. It was also observed that
the DS may influence the physicochemical and functional properties of sGLPs. For instance, the
sulfated GLP with the lowest DS had the greatest bile acid-binding capacity, and the sGLP that had
the highest DS showed the lowest bile acid-binding ability under the experimental conditions. The
results from this study suggested that sulfation is a possible approach to obtain novel water-soluble
derivatives of GLP with improved physicochemical, functional, and biological properties for potential
utilization in functional foods or supplemental products. 展开
carried out with chlorosulfonic acid-pyridine in dimethyl formamide to prepare three sulfated GLP
derivatives, named sGLP1, sGLP2, and sGLP3. The chemical structure of the sulfated GLP was
confirmed by Fourier transform infrared and 13C NMR analyses. The sGLPs were evaluated for their
water solubility, degree of substitution (DS), antioxidant properties, and bile acid-binding capacities.
The results showed that sulfation improved the water solubility of GLP and increased its scavenging
capacities against hydroxyl and superoxide anion radicals, hydrogen peroxide-scavenging activity,
Fe(II) chelating ability, reducing power, and bile acid-binding capacities. It was also observed that
the DS may influence the physicochemical and functional properties of sGLPs. For instance, the
sulfated GLP with the lowest DS had the greatest bile acid-binding capacity, and the sGLP that had
the highest DS showed the lowest bile acid-binding ability under the experimental conditions. The
results from this study suggested that sulfation is a possible approach to obtain novel water-soluble
derivatives of GLP with improved physicochemical, functional, and biological properties for potential
utilization in functional foods or supplemental products. 展开
3个回答
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一个不溶于水的灵芝多糖硫酸酯(GLP)的成功
二甲基甲酰胺进行准备三硫酸和氯磺酸的GLP-吡啶
衍生工具,名为sGLP1,sGLP2和sGLP3。灵芝多糖的硫酸的化学结构
傅里叶变换红外确认和13C NMR分析。该sGLPs进行了评价其
水溶性,取代(副局长),抗氧化性能,与胆汁酸结合能力的程度。
结果表明,硫酸化提高了GLP的水溶性,提高了其清除
对羟基和能力,超氧阴离子自由基,过氧化氢清除活性,
铁(Ⅱ)螯合能力,降低功耗,与胆汁酸结合的能力。有人还指出,
在DS可能影响理化和sGLPs功能特性。例如,
硫酸与最低副普洛斯有最大的胆汁酸结合能力,以及sGLP,民政事务总署
最高最低局副局长表明在实验条件下胆汁酸结合能力。该
从本研究结果表明,硫酸化是一个可行的方法来获取新的水溶性
灵芝多糖衍生物与改善理化,功能和潜在的生物学特性
利用功能性食品或补充产品。
二甲基甲酰胺进行准备三硫酸和氯磺酸的GLP-吡啶
衍生工具,名为sGLP1,sGLP2和sGLP3。灵芝多糖的硫酸的化学结构
傅里叶变换红外确认和13C NMR分析。该sGLPs进行了评价其
水溶性,取代(副局长),抗氧化性能,与胆汁酸结合能力的程度。
结果表明,硫酸化提高了GLP的水溶性,提高了其清除
对羟基和能力,超氧阴离子自由基,过氧化氢清除活性,
铁(Ⅱ)螯合能力,降低功耗,与胆汁酸结合的能力。有人还指出,
在DS可能影响理化和sGLPs功能特性。例如,
硫酸与最低副普洛斯有最大的胆汁酸结合能力,以及sGLP,民政事务总署
最高最低局副局长表明在实验条件下胆汁酸结合能力。该
从本研究结果表明,硫酸化是一个可行的方法来获取新的水溶性
灵芝多糖衍生物与改善理化,功能和潜在的生物学特性
利用功能性食品或补充产品。
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可用非水溶性的富含灵芝多糖(GLP等))是成功
acid-pyridine氯磺酸进行了近年来二甲formamide准备三硫酸化GLP等)
衍生品,名叫sGLP1,sGLP2,sGLP3。化学结构。临床硫酸化
经傅里叶变换红外和碳谱分析。为他们的sGLPs进行评估
水溶解性、替代物的度数(DS),抗氧化性质的作用,胆汁acid-binding的能力。
结果表明,提高了水溶可用,增加了它的临床清除
能力对羟基和超氧阴离子自由基、氢peroxide-scavenging活动,
铁(2)螯合能力,减少权力和胆汁acid-binding的能力。观察到
DS可能会影响到sGLPs物理化学和功能性质。例如,
硫酸化GLP等)和最低的DS的胆汁acid-binding能力;有sGLP
最高的最低胆汁acid-binding DS显示在试验条件下的能力。这
这个研究的结果表明,可用可能的方法来获得小说水溶性
用改进后的临床导数的理化、功能、生物特性的潜力
运用在功能性食品或补充产品。
acid-pyridine氯磺酸进行了近年来二甲formamide准备三硫酸化GLP等)
衍生品,名叫sGLP1,sGLP2,sGLP3。化学结构。临床硫酸化
经傅里叶变换红外和碳谱分析。为他们的sGLPs进行评估
水溶解性、替代物的度数(DS),抗氧化性质的作用,胆汁acid-binding的能力。
结果表明,提高了水溶可用,增加了它的临床清除
能力对羟基和超氧阴离子自由基、氢peroxide-scavenging活动,
铁(2)螯合能力,减少权力和胆汁acid-binding的能力。观察到
DS可能会影响到sGLPs物理化学和功能性质。例如,
硫酸化GLP等)和最低的DS的胆汁acid-binding能力;有sGLP
最高的最低胆汁acid-binding DS显示在试验条件下的能力。这
这个研究的结果表明,可用可能的方法来获得小说水溶性
用改进后的临床导数的理化、功能、生物特性的潜力
运用在功能性食品或补充产品。
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一个不溶于水的灵芝多糖硫酸酯(GLP)成功的将氯磺酸在二甲基甲酰胺吡啶硫酸准备三普洛斯衍生工具,名为sGLP1,sGLP2和sGLP3。灵芝多糖的硫酸的化学结构傅里叶变换红外确认和13C NMR分析。该sGLPs进行了评价其水溶性,取代(副局长),抗氧化性能,与胆汁酸结合能力的程度。结果表明,硫酸化提高了GLP的水溶性,提高了其清除对羟基和能力,超氧阴离子自由基,过氧化氢清除活性,铁(Ⅱ)螯合能力,降低功耗,与胆汁酸结合的能力。有人还指出,在DS可能影响理化sGLPs功能特性。例如,硫酸与最低副普洛斯有最大的胆汁酸结合能力,以及sGLP,民政事务总署最高最低局副局长表明在实验条件下胆汁酸结合能力。该从本研究结果表明,硫酸化是一个可行的方法来获取新的水溶性灵芝多糖衍生物与改善理化,功能和潜在的生物学特性利用功能性食品或补充产品。
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