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分析标准品,HPLC≥98%

Theophylline

源叶
B20144 一键复制产品信息
58-55-9
C7H8N4O2
180.16
MFCD00079619
1,3-二甲基黄嘌呤;2,6-二氧-1,3-二甲基嘌呤;3,7-二氢-1,3-二甲基-1H-嘌呤-2,6-二酮;2,6-二羟基-1,3-二甲基嘌呤
货号 规格 价格 上海 北京 武汉 南京 购买数量
B20144-50mg 分析标准品,HPLC≥98% ¥100.00 >10 1 2 1
产品介绍 参考文献(28篇) 质检证书(COA) 摩尔浓度计算器 相关产品

产品介绍

 Theophylline (1,3-Dimethylxanthine) 是有效的磷酸二酯酶 (PDE) 抑制剂,腺苷受体拮抗剂,和组蛋白脱乙酰酶 (HDAC) 活化剂。Theophylline (1,3-Dimethylxanthine) 抑制 PDE3 活性,放松气道平滑肌。Theophylline (1,3-Dimethylxanthine) 通过增加 IL-10 和抑制 NF-κ B进入细胞核而具有抗炎活性。Theophylline (1,3-Dimethylxanthine) 诱发细胞凋亡 (apoptosis)。Theophylline (1,3-Dimethylxanthine) 可用于哮喘和慢性阻塞性肺疾病 (COPD) 的研究。

熔点: 271-273°C
沸点: 454.1°C at 760 mmHg
外观: 白色至灰白色结晶粉末
溶解性: DMSO  :  11.11  mg/mL  (61.67  mM;  Need  ultrasonic)
H2O  :  5  mg/mL  (27.75  mM;  Need  ultrasonic)。
敏感性: 对空气敏感
储存条件: 2-8℃
注意: 部分产品我司仅能提供部分信息,我司不保证所提供信息的权威性,仅供客户参考交流研究之用。

参考文献(28篇)

23. [IF=8.8] Zixuan Xie et al."Mechanism of aroma enhancement methods in accelerating Congou black tea acidification subjected to room temperature storage."FOOD CHEMISTRY.2023 Nov;:137837 22. [IF=8.1] Qiuwen Yu et al."Chemometrics-based investigation of non-volatiles/volatiles flavor of tencha (Camellia sinensis cv. Yabukita, Longjing 43 and Baiye 1)."FOOD RESEARCH INTERNATIONAL.10.1016/j.foodres.2023.113461 21. [IF=5.2] Zhuanrong Wu et al."Effects of Sun Withering Degree on Black Tea Quality Revealed via Non-Targeted Metabolomics."Foods.2023 Jan;12(12):2430 20. [IF=4.342] Wei Ran et al."Comprehensive analysis of environmental factors on the quality of tea (Camellia sinensis var. sinensis) fresh leaves."SCIENTIA HORTICULTURAE.2023 Sep;319:112177 19. [IF=6.443] Yuchuan Li et al."Study on taste quality formation and leaf conducting tissue changes in six types of tea during their manufacturing processes."Food Chemistry-X.2023 Jun;18:100731 18. [IF=7.425] Shuxian Shao et al."Production regions discrimination of Huangguanyin oolong tea by using the content of chemical components and rare earth elements."FOOD RESEARCH INTERNATIONAL.2023 Mar;165:112522 17. [IF=5.318] Su Zhou et al."Pu'er raw tea extract alleviates lipid deposition in both LO2 cells and Caenorhabditis elegans."Food Bioscience.2022 Dec;50:102172 16. [IF=7.425] Jie Zhou et al."Widely targeted metabolomics using UPLC-QTRAP-MS/MS reveals chemical changes during the processing of black tea from the cultivar Camellia sinensis (L.) O. Kuntze cv. Huangjinya."FOOD RESEARCH INTERNATIONAL.2022 Dec;162:112169 15. [IF=4.072] Meng-zhen Zhou et al."Discovery and Biochemical Characterization of N-methyltransferase Genes Involved in Purine Alkaloid Biosynthetic Pathway of Camellia gymnogyna Hung T.Chang (Theaceae) from Dayao Mountain."Phytochemistry. 2022 Jul;199:113167 14. [IF=3.935] Hui Jiang et al."Preparation of covalently bonded liposome capillary column and its application in evaluation of drug membrane permeability."J Pharmaceut Biomed. 2022 Feb;209:114513 13. [IF=3.981] Lin Wang et al."Drug-drug cocrystals of theophylline with quercetin."J Drug Deliv Sci Tec. 2022 Apr;70:103228 12. [IF=3] Qu Lala et al."Phenotypic assessment and ligand screening of ETA/ETB receptors with label-free dynamic mass redistribution assay."N-S Arch Pharmacol. 2020 Jun;393(6):937-950 11. [IF=3.503] Jiajia Dong et al."Comparative pharmacokinetic analysis of raw and steamed Panax notoginseng roots in rats by UPLC-MS/MS for simultaneously quantifying seven saponins."Pharm Biol. 2021;59(1):653-661 10. [IF=3.535] Hui Jiang et al."Determination of lipid–water partition coefficient of neutral and ionic drugs by liposome electrokinetic chromatography."Electrophoresis. 2021 Aug;42(14-15):1436-1449 9. [IF=4.098] Chunlin Li et al."Discrimination of white teas produced from fresh leaves with different maturity by near-infrared spectroscopy."Spectrochim Acta A. 2020 Feb;227:117697 8. [IF=4.142] Zhang Hao et al."A portable personal glucose meter method for enzyme activity detection and inhibitory activity evaluation based on alkaline phosphatase-mediated reaction."Anal Bioanal Chem. 2021 Apr;413(9):2457-2466 7. [IF=4.411] Tao Tian et al."Personal Glucose Meter for α-Glucosidase Inhibitor Screening Based on the Hydrolysis of Maltose."Molecules. 2021 Jan;26(15):4638 6. [IF=3.894] Lixia Liu et al."Protective effects of tea polyphenols on exhaustive exercise-induced fatigue, inflammation and tissue damage."Food Nutr Res. 2017;61(1):1333390 5. [IF=3.935] Yi Tao et al."Towards the identification of alkaline phosphatase binding ligands in Li-Dan-Hua-Shi pills: A Box-Behnken design optimized affinity selection approach tandem with UHPLC-Q-TOF/MS analysis."J Pharmaceut Biomed. 2018 May;154:486 4. [IF=4.098] Chunlin Li et al."Rapid and non-destructive discrimination of special-grade flat green tea using Near-infrared spectroscopy."Spectrochim Acta A. 2019 Jan;206:254 3. [IF=4.464] Yu Jun Yang et al."The electropolymerization of CTAB on glassy carbon electrode for simultaneous determination of dopamine, uric acid, tryptophan and theophylline."J Electroanal Chem. 2016 May;768:102 2. 李承浩,王萌,任晓亮.磺化杯6芳烃对4类中药单体成分增溶作用及其机制研究[J].中国现代中药,2020,22(12):2032-2038. 1. 董燕茹,曹妍彦,卢佳纯,梅思凡,河润,陈萍.儿茶素与咖啡碱络合物的晶体学研究[J].茶叶科学,2021,41(01):80-89.

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