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   乌桕叶 在 化学 分类中 的翻译结果: 查询用时:0.624秒
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  chinese tallow leaf
    Studies on Soluble Glycoprotein and Component of Chinese Tallow Leaf
    乌桕叶水溶性多糖蛋白复合体及其组成的研究
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  chinese tallow leaf
    Studies on Soluble Glycoprotein and Component of Chinese Tallow Leaf
    乌桕叶水溶性多糖蛋白复合体及其组成的研究
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  chinese tallow leaves
    Study on Determination of Amino Acids in Chinese Tallow Leaves by RP-HPLC
    反相液相色谱法测定乌桕叶中氨基酸含量
短句来源
    The amino acids in Chinese tallow leaves were separated and quantified by RP-HPLC after being derived with O-phthaldialdehyde(OPA) and 9-fluorenylmethyl chloroformate(FMOC),and DAD variable-wavelength as measure program.
    以邻苯二甲醛(OPA)与9-芴基羰酰氯(FMOC-CI)作衍生剂,正缬氨酸为内标,利用二极管阵列(DAD)可变波长检测程序,采用柱前衍生RP-HPLC法测定了乌桕叶中氨基酸含量。
短句来源
    Chinese tallow leaves contained plenty of amino acids which the total concentration was 1.3000mg/mL. The main amino acids in Chinese tallow leaves were Ile,Glu,Asp,Leu,and Arg,which accounted for more than 60% of total amino acids.
    乌桕叶中含有大量的氨基酸,总得含量在1.3000mg/mL左右,含量较高的是异亮氨酸(Ile)、谷氨酸(G lu)、天冬氨酸(Asp)、亮氨酸(Leu)和精氨酸(Arg),合计含量占总含量的60%以上。
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To investigate soluble polysaccharide of Chinese tallow leaf, a glycoprotein was extracted and isolated from Chinesetallow leaf. The glycoprotein was purified by Sephadex G-100. The average molecular weight of the glycoprotein was 53000.Quality ratio of saccharide and protein was 94:6 using sulphuric acid-phenol method and amino acid analysis. PC and TLC ofthis glycoprotein indicated the saccharide component that consisted of galactose, glucose, rhamnose, arabinose, xylose with themolar ratio of 25:24:18:31:2...

To investigate soluble polysaccharide of Chinese tallow leaf, a glycoprotein was extracted and isolated from Chinesetallow leaf. The glycoprotein was purified by Sephadex G-100. The average molecular weight of the glycoprotein was 53000.Quality ratio of saccharide and protein was 94:6 using sulphuric acid-phenol method and amino acid analysis. PC and TLC ofthis glycoprotein indicated the saccharide component that consisted of galactose, glucose, rhamnose, arabinose, xylose with themolar ratio of 25:24:18:31:2 respectively. Amino acid analysis of this glycoprotein showed that Gly,Ala,Ser etc. were mainlyneutral amino acid constituent. The characteristics of the glycoprotein by IR analysis showed the typical absorption ofpolysaccharide and indicated the presence of α-glycoside linkage. The β-Elimination reaction demonstrated the existence ofO-glycoside linkage in this glycoprotein. At the same time, the antioxidant activity was also investigated. This was a glycoproteinof hybrid neutral polysaccharide with hydroxyl radical scavenging activity.

为了查明乌桕叶水溶性多糖成分,采用溶剂提取分离,Sephadex G-100纯化并测分子量,UV-Visible光谱检测组分,UV、IR测定其连接方式,PC、TLC、IEC测定其组成及比例。结果表明:该水溶性多糖为糖蛋白复合体,平均分子量为53000;多糖与蛋白质组成比为94:6;含有半乳糖、葡萄糖、鼠李糖、阿拉伯糖、木糖,单糖摩尔组成比为25:24:18:31:2;蛋白质部分以甘氨酸、丙氨酸、丝氨酸等中性氨基酸为主。含有O-型糖肽键和α-糖苷键。同时还测定了其抗氧化活性。乌桕叶含有一种以多糖成分为主的中性杂多糖蛋白复合体,且具有较强的清除羟自由基活性。

The amino acids in Chinese tallow leaves were separated and quantified by RP-HPLC after being derived with O-phthaldialdehyde(OPA) and 9-fluorenylmethyl chloroformate(FMOC),and DAD variable-wavelength as measure program.The results showed that the RSD for remaining time and A_x/A_I of amino acids was satisfied,and the recoveries ranged from 93.21% to 114.24%.Chinese tallow leaves contained plenty of amino acids which the total concentration was 1.3000mg/mL.The main amino acids in Chinese tallow leaves were Ile,Glu,Asp,Leu,and...

The amino acids in Chinese tallow leaves were separated and quantified by RP-HPLC after being derived with O-phthaldialdehyde(OPA) and 9-fluorenylmethyl chloroformate(FMOC),and DAD variable-wavelength as measure program.The results showed that the RSD for remaining time and A_x/A_I of amino acids was satisfied,and the recoveries ranged from 93.21% to 114.24%.Chinese tallow leaves contained plenty of amino acids which the total concentration was 1.3000mg/mL.The main amino acids in Chinese tallow leaves were Ile,Glu,Asp,Leu,and Arg,which accounted for more than 60% of total amino acids.The 7 essential amino acids in the 18 amino acids got the amount of 0.5984mg/mL,accounted for 46.03% of the total amino acids.

以邻苯二甲醛(OPA)与9-芴基羰酰氯(FMOC-CI)作衍生剂,正缬氨酸为内标,利用二极管阵列(DAD)可变波长检测程序,采用柱前衍生RP-HPLC法测定了乌桕叶中氨基酸含量。结果表明:各种氨基酸的保留时间(Rt)、相对峰面积(Ax/AI)的RSD均较满意,回收率为93.21%~114.24%;乌桕叶中含有大量的氨基酸,总得含量在1.3000mg/mL左右,含量较高的是异亮氨酸(Ile)、谷氨酸(G lu)、天冬氨酸(Asp)、亮氨酸(Leu)和精氨酸(Arg),合计含量占总含量的60%以上。18种氨基酸中含有的人体必需氨基酸有7种,其总含量为0.5984mg/mL,占总氨基酸含量的46.03%。

 
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