- 更多网络例句与鼠李糖苷相关的网络例句 [注:此内容来源于网络,仅供参考]
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We investigated constituent of triterpenoid saponins ofAlbizzia, two new compounds together with two known compounds were isolated from Albizzia julibrissin Durazz. by using column chromatography (macroreticular resin, silica gel, Sephadex gel, reverse phase silica gel),preparative HPLC methods et al.On the basis of spectroscopic analysis, including IR,ESI-MS,~1H-NMR,~(13)C-NMR,HMBC,HMQC,~1H-~1HCOSY and chemical methods, the structure of two new compounds were identified as 3 - O -[β-D-xylopyranosyl(1→2)-β-D-fucopyranosyl (1→6)-β- D -2- deoxy - 2 - acetoamidoglucopyranosyl] -21-O-[(6S)-2- trans- 2,6-dimethyl - 6 - O-β- D - quinovopyranosyl -2,7- octadienoyl] - acacic acid- 28 - O-β-D-glucopyranosyl(1→3)[α-L-arabinofuranosyl(1→4)]-α-L-rhamnopyranosyl(1→2)-β-D-glucopyranoside acacic acid 3- O -β- D- glucopyranosy(1→3)-β- D- fucopyranosl(1→6) [β-D- xylopyranosyl (1→2)]-β-D-glucopyranoside ;two known compounds were acacic acid lactone 3- O -β-D- xylopyranosyl-(1→2)-β-D-fucopyranosl (1→6)- 2-deoxy -2 -acetoamido -β-D- glucopyranoside ; acacic acid lactone 3- O-β-D-xylopyranosyl(1→2)-α-L- arabinopyranosl (1→6)- 2- deoxy - 2- acetoamido -β-D-glucopyranoside . The study lays chemical foundation and chemical reference substance for enhancing quality standard of Albizzia julibrissin Durazz.
本研究论文在综述国内外对合欢属Albizzia三萜皂苷化学成分和药理作用研究进展的基础上,利用传统植化分离手段和现代分离技术,包括大孔树脂、硅胶、葡聚糖凝胶、反相硅胶等柱色谱,制备高效液相色谱法等技术从中药合欢皮中分离得到了4个化合物,其中,2个新化合物和2个己知化合物,并进一步通过现代分析技术IR,ESI-MS,~1H-NMR,~(13C-NMR,HMBC,HMQC,~1H-~1HCOSY等和化学方法鉴定了2个新化合物的结构分别是:3-O-[β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖基]-21-O-[(6S)-2-反式-2,6-二甲基-6-O-β-D-吡喃鸡纳糖基-2,7-辛二烯酸基]-金合欢酸-28-O-α-L-呋喃阿拉伯糖基(1→4)[β-D-吡喃葡萄糖基(1→3)]-α-L-吡喃鼠李糖基(1→2)-β-D-吡喃葡萄糖苷,金合欢酸3-O-β-D-吡喃葡萄糖基(1→3)-β-D-吡喃夫糖基(1→6)[β-D-吡喃木糖基(1→2)]-β-D-吡喃葡萄糖苷;2个已知化合物结构分别是:金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷,金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-α-L-吡喃阿拉伯糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷。
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Nine new compounds were characterized, and they were: opuntioside Ⅰ(11), 4-ethoxyl-6-hydroxymethyl-α-pyrone (14),--ester (22), 1-butoxyl--malate (24), ethyl α-L-rhamnopyranoside (26), opuntioside Ⅱ(34), kaempferol 7-O-β-D-glucopyranosyl (1→4)-β-D-glucopyranoside (46), methyl α-D-glucopyranoside-6-(methyl 4-malate)-ester (47), and opuntioside Ⅲ(48). Opuntioside Ⅰ,Ⅱ,Ⅲ and 4-ethoxyl-6-hydroxymethyl-α-pyrone belong to the skelecton of α-pyrone.
新化合物分别是:仙人掌苷Ⅰ(11),4-乙氧基-6-羟甲基-α-吡喃酮(14),琥珀酸乙酯--酯(22),L--苹果酸-1-丁酯(24),乙基α-L-吡喃鼠李糖苷(26),仙人掌苷Ⅱ(34),山奈酚7-O-β-D-吡喃葡萄糖基(1→4)-β-D-吡喃葡萄糖苷(46),α-D-吡喃葡萄糖甲苷-6-(苹果酸-4-甲酯)-酯(47),仙人掌苷Ⅲ(48),其中仙人掌苷Ⅰ、Ⅱ、Ⅲ及4-乙氧基-6-羟甲基-α-吡喃酮均为α-吡喃酮骨架类型的新化合物。
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On the other hand, the structure of kaempferitrin contains two rhamnose, which could be used as a new way to produce rhamnose by hydrolyzes kaempferitr in.
另一方面,由于山柰苷结构中含有两个鼠李糖,可以考虑通过水解山柰苷的途径生产鼠李糖。
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Pteroside P′(1) was identified to be a new C14 sesquiterpene glycoside; luteolin, palmitic acid and apigenin 4′-O-α-L-rhamnopyranoside may be the main active components of Pteris multifida against benign prostatic hypertrophy.
化合物pteroside P′(1)是一个新的C14的倍半萜苷;化合物木犀草素、棕榈酸和芹菜素4′-O-α-L-鼠李糖苷可能是凤尾草能抑制良性前列腺增生的主要活性成分。
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The correlations of eleven floral and fruit quantitative traits of Liriodendron interspecific hybrids(L. chinense×L. tulipifera) and its parent species were analysized.The aglycone and glycoside of flavonoid and carotinoids of perianth segment in the three groups were studied qualitatively and quantatively by high performance liquid chromatography.The results were as followed: The aglycone such as cyanidin, 6-hydroxyflavone and trans-chalcone and the glycoside such as glucose, rhamnose and galactose were discovered in Liriodendron interspecific hybrids and Liriodendron chinense,carotinoids such as lycopene and β-carotene were also discovered.
本文对鹅掌楸、北美鹅掌楸和杂交F_1的花果共11 个数量性状进行分析,并应用高效液相色谱对上述三大类群花被片类黄酮糖苷配基和结合糖及类胡萝卜素进行了定性和定量研究,结果如下:鹅掌楸和杂交鹅掌楸花被片类黄酮糖苷配基为花青素、6-羟基黄酮和反式查尔酮,糖苷配基结合糖为葡萄糖、鼠李糖和半乳糖;类胡萝卜素为β-胡萝卜素和番茄红素。
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To provide a non-toxic, zero-residue and effective approach to prevent the parasitical Ascaris suum, the effect of kaempferol-3-a-L-(4-O-acetyl)-rhamnose-7-a-L-rhamnoside,extracted from Cyrtomium yunnanense, on the the animals infected with A. suum was studied.
为猪蛔虫病的防治提供无毒、无残留,对人体无害的高效防治方法,利用云南贯众分离得到的化合物山奈酚-3-a-L-(4-O-乙酰基)鼠李糖基-7-a-L-鼠李糖苷作为试验用药,对感染猪蛔虫的动物进行了药效试验研究。
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Quercetin, quercetin rhamnoside, hyperin, syringoside and eleutheroside E wereisolated from the flower of Acanthopanax senticosus. Searching bioactive natural compound and establishing quality evaluation standard arefocused on this experiment. Using cold immersing of 70% methanol to extract from flower ofAcanthopanax senticosus and integrating macroporous resin, silica gel column chromatography,sephadex gel to abstract. We obtained five monomer compounds (compoundⅠ-compoundⅤ),quercetin, quercetin rhamnoside, hyperin, syringoside and eleutheroside E. That five compoundswere determined by HPLC in eight parts of Acanthopanax senticosus (flower, root, leaf fruit,shoot, new shoot, phloem of shoot, skin of shoot), which provide science bases for establishingquality evaluation system and settle infarctate foundation.
本文以从刺五加花蕾中寻找具有重要生物活性的天然化合物和建立质量评价标准为主要目的,对其化学成分进行研究,采用70%甲醇冷浸的方法对刺五加花蕾中的成分进行提取,运用大孔树脂吸附色谱法、硅胶柱层析法以及葡聚糖凝胶柱层析相结合的方法进行分离,得到5种单体化合物,分别为槲皮素、槲皮素鼠李糖苷、金丝桃苷、紫丁香苷和刺五加苷E;利用高效液相色谱法对这5种化合物在刺五加花蕾中的含量进行了测定;考察了8个部位(花蕾、根、叶、果、茎干、新枝、茎韧皮部、茎皮)中这5种化合物的含量分布情况,并作一比较,为今后建立刺五加质量评价体系提供了科学依据,奠定了坚实的基础。
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China rich Blueberry anthocyanins, Blueberry anthocyanins material in the pigment, anthocyanin mainly-2-glucosidase, anthocyanins-3-xylosidase, anthocyanins-3-Fu-glucoside, flowers Green-2-rhamnoside, D.-3-rhamnoside, D.-5-glucosidase, 3-o-original flower-Chui, Malvaceae pigment 3, 5-and two glucosidation 3, 3-such as stripping the original flower.
中国越橘富含花青素,越橘花青素重的色素物质,主要为花青素-2-葡萄糖苷、花青素-3-木糖苷、花青素-3-半乳糖苷、花青素-2-鼠李糖苷、翠雀花-3-鼠李糖苷、翠雀花-5-葡萄糖苷、3-O-酰原花翠素、锦葵色素-3,5-二糖甙和3,3-二-酰原花萃素等。
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Assaying results indicate that in that eight parts of Acanthopanax senticosus content ofquercetin is highest in leaf,0.03818%, content of quercetin rhamnoside is highest in flower,4.43115%, content of hyperin is highest in flower,2.41605%, content of syringoside is highest inskin of shoot,1.18959%, content of eleutheroside E is highest in root,
含量测定结果表明:在刺五加花蕾、根、叶、果、茎干、新枝、茎韧皮部、茎皮这八个部位中,槲皮素叶中含量最高,为0.03818%;槲皮素鼠李糖苷花蕾中含量最高,为4.43115%;金丝桃苷花蕾中含量最高,为2.41605%;紫丁香苷茎皮中含量最高,为1.18959%;刺五加苷E根中含量最高,为0.18802%。
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RhaG hydrolyzed only the 6-C α-rhamnoside of ginsenoside Re, RhaR is able to hydrolyze the α-rhamnoside of rutin、hesperidin and naringin.
实验结果表明,RhaG只水解人参皂苷Re的C-6位末端上的一个α-鼠李糖基,而RhaR能水解芦丁、橙皮苷、柚皮苷的α-鼠李糖基。
- 更多网络解释与鼠李糖苷相关的网络解释 [注:此内容来源于网络,仅供参考]
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rhamnose:鼠李糖
阿拉伯聚糖党 参糖类有果糖(fructose),菊糖(inulin),多糖和4种杂多糖杂多糖由葡萄糖,果糖(fructose),半乳糖(galactose),阿拉伯糖(arabinose),甘露糖(mannose),核糖(ribose),鼠李糖(rhamnose)组成;苷类成分有丁香苷(syringin),
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rhamnose:鼠李糖(一种甲基戊糖,基甜度为蔗糖的
rhamnomannoside鼠李甘露糖苷 | rhamnose鼠李糖(一种甲基戊糖,基甜度为蔗糖的33%) | rhamnoside鼠李糖苷
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Rhamnose HPLC:鼠李糖
芍药苷 Paeoniflorm HPLC≥98% | 鼠李糖 Rhamnose HPLC≥98% | 双氢青蒿素 Dihxdroarteannui HPLC≥98%
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acaciin:刺槐苷
刺槐素(Acacetin)为一种黄酮,与多种糖结合成为刺槐苷(Acaciin),主要有刺槐素一7一半乳糖苷和刺槐一7一鼠李糖葡萄糖苷. 刺槐素(Acacetin)为一种黄酮,与多种糖结合成为刺槐苷(Acaciin),主要有刺槐素一7一半乳糖苷和刺槐一7一鼠李糖葡萄糖苷.
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apiose:芹菜糖
之后,一些研究(Williams et al,1982;Gunata,1984;Voirin et al 1990)显示葡萄中主要的单萜和萜醇是以糖苷形式存在的,包括基本的"oses":葡萄糖、阿拉伯糖、鼠李糖和芹菜糖(apiose).
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Glucofrangulin:葡糖欧鼠李苷
glucoferrum 葡萄糖酸铁 | glucofrangulin 葡糖欧鼠李苷 | glucofuranose 呋喃葡糖 呋喃型葡萄糖
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isorhamnose:异鼠李糖
isopycnic centrifugation 等密度离心 | isorhamnose 异鼠李糖 | isorhamnoside 异鼠李糖苷
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rhamnitol:鼠李糖醇
rhamninose鼠李三糖 | rhamnitol鼠李糖醇 | rhamnogalactoside鼠李半乳糖苷
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rhamnoside:鼠李糖苷
rhamnose鼠李糖(一种甲基戊糖,基甜度为蔗糖的33%) | rhamnoside鼠李糖苷 | rhamnoxanthin鼠李黃苷
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violanin:姜菜苷;花翠素鼠李葡糖苷
violaguercitrin 芸香苷 | violanin 姜菜苷;花翠素鼠李葡糖苷 | violaxanthin 姜菜黃质;紫黃质