- 更多网络例句与桦木醇相关的网络例句 [注：此内容来源于网络，仅供参考]
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The effects of extraction temperature, microwave power, extraction time on betulin yield by MAE were discussed and the betulin content was determined by HPLC.
考察了提取温度、微波功率、提取时间对桦木醇收率的影响，并用高效液相色谱法测定了萃取物中桦木醇的含量。
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To harmful microflora white part of birch bark is obliged precisely to betulin.
稳定有害菌群白桦树皮部分恰恰有义务为桦木醇。
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Betulin and betulinic acid , the triterpenes of the lupane family, are considered to be potential agents against tumoral cancer and HIV .
桦木醇、桦木酸是具有羽扇烷结构的三萜化合物，目前的研究发现，它们具有较高的抗肿瘤、抗HIV病毒活性，它们的衍生物也有较高的生物活性。
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The microwave-assisted extraction of betulin from Betula platyphylla Suk. bark was optimized using uniform design.
利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺。
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The results showed that in acetone and ethanol, solubilities of 3, 28-di-O-glutaryl-betulin were 33.52 and 22.65 times of those of betulin respectively; In water, solubility of 3, 28-di-O-glutaryl-betulin was 0.0021 g (100 mL water), and in PBS, solubility of 3, 28-di-O-glutary-betulin was 0.0015 g (100 mL PBS), the hydrophilicity of 3, 28-di-O-glutaryl-betulin was significantly increase.
结果表明，在丙酮和无水乙醇中，桦木酐戊二酸酯的溶解度是桦木醇的33.52和22.65倍；在水中，桦木醇戊二酸酯的溶解度为0.0021g（100mL水）；在PBS中，桦木醇戊二酸酯的溶解度约为0.0015g(100mL PBS)，目标产物的亲水性有了显著的改善。
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Its structure was characterized by FT-IR, 1H NMR and MS. Solubility data of betulin and 3, 28-di-O-glutaryl-betulin in acetone, ethanol, water and phosphate-buffered saline (PBS, pH value 7.4) were determined by equilibrium method.
采用FT-IR、1H NMR和MS对产物进行结构表征，并且选用平衡法测定了桦木醇和桦木醇戊二酸酯在丙酮、无水乙醇、水和磷酸盐缓冲溶液（PBS， pH值7.4，）等不同溶剂中的溶解度。
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The results showed a betulin yield of 25.43%, a purity of 59.19% was achieved from 1g powder of B. platyphylla bark under the extraction temperature of 72℃, microwave power 67W, and extraction time 100s.
试验结果表明，1g白桦树皮粉末，在提取温度72℃、微波功率67W，提取时间100s的条件下，微波辅助提取的桦木醇收率达到25.43%，纯度达到59.19%。
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To improve water solubility of betulin, two acyl groups were introduced at C-3 and C-28 hydroxy groups of betulin. 3, 28-di-O-glutaryl-betulin was synthesized with pyridine as solvent and DMAP as catalyst from betulin and glutaryl anhydride.
为了增强桦木醇的亲水性，对桦木醇的C-3位、C-28位羟基进行修饰，在吡啶作溶剂、二甲基氨基吡啶作催化剂的条件下，与戊二酸酐反应合成桦木醇戊二酸酯。
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This paper reviewed the study situation of several forest chemical products associated with medical and health such as sterols,paclitaxel, betulinic acid and hinokitol.
综述了植物甾醇、紫杉醇、桦木酸、桧木醇等几种与医药保健品有关的林产化学品的研究开发现状。
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PA-457 was not just another Taxol, the anticancer drug that required the controersial felling of rare yew trees until a semisynthetic substitute was found. Panacos did not need a steady source of Taiwanese herbs. Betulinic acid could be extracted from ubiquitous plane and birch trees, and a subsequent processing step yielded the desired molecule.
PA-457不像抗癌药物太平洋紫杉醇：在太平洋紫杉醇的合成代替品出现前，砍伐罕见的太平洋紫杉一直引发争议；Panacos并不需要有稳定供应的台湾药草，桦木酸能从普遍存在的悬铃树和桦树中提炼，并且只要一个后续处理步骤，就可以制造出所需的分子。
- 更多网络解释与桦木醇相关的网络解释 [注：此内容来源于网络，仅供参考]
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Betulin：桦木醇
含女贞子甙(nuzhenide)、洋橄榄苦甙(oleuropein)、齐墩果酸(oleanolicacid)、4-羟基-B-苯乙基-B-D-葡萄糖甙、桦木醇(betulin)等. 功能滋补肝肾,明目乌发. 用于眩晕耳鸣,腰膝酸软、须发早白、目暗不明. 备注:植物形态 常绿大灌木或小乔木,
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Betulin：桦木脑
左旋水苏碱 Betonicine | 桦木脑 Betulin | 白桦脂醇 Betulin
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Betulin：桦木脑 桦木醇 白桦脂醇
betulenol | 三甲基亚甲基双环十一碳烯醇 | betulin | 桦木脑 桦木醇 白桦脂醇 | betuloside | 桦木糖苷 白桦苷
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Betulin diacetate：桦木脑二乙酸
白桦脂醇 Betulin | 桦木脑二乙酸 Betulin diacetate | 桦木酸 Betulinic acid
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Betulinic acid：桦木酸
苯乙烯类衍生物:连翘脂甙(forsythoside)A、C、D、E,连翘梾木甙(suspensaside),毛柳甙(salidroside);乙基环己醇类衍生物:棘木甙(cornoside),连翘环己醇(rengyol),异连翘环己醇(isorengyol)等,尚含三萜类化合物:桦木酸(betulinic acid)、熊果酸、齐墩果酸
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betulinol：桦木醇
丹参素钠 Sodium Danshensu ≥98% 76822-21-4 | 桦木醇 betulinol ≥95% | 槐果碱 Sophocarpine ≥98% 78003-71-1