查询词典 aglycone

Objective To study the purification technology of anthraquinone aglycone from Cassiae obtusifolia seeds by macroporous adsorption resin.

目的探索决明子蒽醌苷元的大孔吸附树脂纯化工艺。

This study also shows that the uptake of aglycone is much higher than that of glycoside.

本实验中黄酮普元的吸收均高于黄酮苷。

Objective: To determine Quercetin, the chief flavonoids aglycone in the fruit of Malus prunifolia Borkh by RP-HPLC.

目的：采用RP-HPLC法刚定海红果中黄酮类成分的苷元－槲皮素的含量。

Based on the analysis of its structural character, two routes were designed and systemically studied to synthesize the aglycone moiety.

在分析苷元结构特点的基础上，我们设计了合成苷元的两条路线并进行了系统地研究。

The present invention belongs to the technical field of biological pharmacy, and in particular relates to a preparation and purification method of tetra-hydroxyl xanthone mango aglycone, and an application thereof in hypoglycemic medicine.

本发明属于生物制药技术领域，具体涉及一种四羟基口山酮芒果苷元的制备、纯化以及其在降血糖药物中的应用。

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。

Twoanthocyanins ( cyanidin 32O 2glucoside and cyanidin 32O2rutinoside) and three flavonols ( quercetin 32O 2rutino2side, kaempferol 32O 2rutinoside and quercetin aglycone) were detected in the red inner perianths.

在蜡梅红色内瓣中检测到2种花青苷和3种黄酮醇，在黄色外瓣中检测到与红色内瓣相同的3种黄酮醇。

As the aglycone and the oligosaccharide moieties are different, soyasaponins show different biosiological and pharmacological properties, such as goitrogenic, antitumor, antioxidative and HIV resistance.

大豆皂甙由皂甙元和低聚糖构成，由于组成大豆皂甙的甙元和多聚糖的种类不同，大豆皂甙具有多种生物学和药学性质，如降低血脂、抗癌、抑制血小板凝聚、抗病毒等作用。

Based on biological experiments, mango glycoside is used as raw material; under the condition with phenol and hydroiodic acid, carbon-carbon bonds are broken to produce the crude product of mango aglycone; the crude product is separated and purified through silica gel column chromatography so that the mango aglycone is separated; the yield rate reaches 12 percent, the purity is higher than 95 percent, and the reproduction performance is good; the IGTT of C57BL/6 normal mice is effectively improved with the norathyriol; and simultaneously the quantity of insulin secretion induced by glucose in vivo for the C57BL/6 normal mice can be improved with the norathyriol.

通过生物学实验证明，本发明所涉及的以芒果苷为原料，在苯酚和氢碘酸条件下，使得碳-碳键断裂，制备得到芒果苷元粗品，再通过硅胶柱层析分离纯化得到芒果苷元的方法使得其产率可达12％、纯度大于95％，且重现性好；norathyriol可使C57BL/6正常小鼠IGTT有明显改善；同时norathyriol可提高C57BL/6正常小鼠体内葡萄糖诱导的胰岛素分泌量。

By the quantitative analysis of flavonoids from the extract under acid hydrolysis condition, it is demonstrated that the level of isoquercitrin degrades along with the content of hydrochloric acid elevating and the level of kaempferol is reverse. Those reveal that there exist flavonoid conjugates whose aglycone is kaempferol in the leaves.

对青钱柳酸水解液中成分的测定表明，随着酸浓度的提高，异槲皮苷的含量下降，槲皮素的含量上升，山奈酚的含量也随酸浓度上升而增高，表明青钱柳中尚有以山奈酚为苷元的黄酮苷存在。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。