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網站首頁技術中心 > 白楊素 分析標準品,HPLC≥98%
產品目錄
白楊素 分析標準品,HPLC≥98%
更新時間:2025-12-15 點擊量:190

白楊素

分析標準品,HPLC≥98%

Chrysin

CAS號:480-40-0

分子式:C15H10O4

分子量:254.24

MDLMFCD00006834

別名:柯因;5,7-二羥基黃酮;5,7-二羥黃酮;5,7-氫黃酮;柯菌;柯茵;二羥黃酮

貨號

規格/參數/品牌

價格

貨期

YJ-B20063-20mg

分析標準品,HPLC≥98%

350.00

現貨

YJ-B20063-100mg

分析標準品,HPLC≥98%

1070.00

現貨

YJ-B20063-1g

分析標準品,HPLC≥98%

2500.00

現貨

JS17127-5g

BR98%

145.00

現貨

JS17127-25g

BR98%

295.00

現貨

JS17127-100g

BR98%

698.00

現貨

A10173-20mg

分析標準品,含量99.9%,可溯源

600.00

現貨

產品介紹

Chrysin 是一種雌激素阻斷劑。

熔點:285-286℃

外觀:淡黃色棱柱形結晶

溶解性:DMSO  :  ≥  100  mg/mL  (393.33  mM)

儲存條件:2-8℃

注意:部分產品我司僅能提供部分信息,我司不保證所提供信息的權威性,僅供客戶參考交流研究之用。

參考文獻(58)

58. [IF=2.7] Dan-ni Chen et al."Promotion of a quality standard for Scutellariae radix based on the anti-inflammatory efficacy-oriented quality marker of the effect-constituent index."Analytical Methods.2024 Nov;:

57. [IF=8.5] Shengnan Wang et al."Postharvest changes in the phenolic and free volatile compound contents in Shine Muscat grapes at room temperature."FOOD CHEMISTRY.2025 Feb;465:141958

56. [IF=4.8] Yi Kuang et al."Investigation of the interaction between chrysin, apigenin, and luteolin with HMGB1 using integrated multi-spectroscopy and molecular docking methods."Food Bioscience.2024 Dec;:105805

55. [IF=8.5] Sha Yan et al."Distinguishing the botanical origins of rare honey through untargeted metabolomics and machine learning interpreting flavonoid profiles."FOOD CHEMISTRY.2025 Jan;:142752

54. [IF=2.8] Yuanxiao Wang et al."Bidirectional transport studies of flavonoids from Alpiniae oxyphyllae fructus by in vitro inflammatory blood–brain barrier model combined with UHPLC-MS/MS analysis."JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICA

53. [IF=4.2] Ningxin Qi et al."Phenolic Acid and Flavonoid Content Analysis with Antioxidant Activity Assessment in Chinese C. pi. Shen Honey."MOLECULES.2025 Jan;30(2):370

52. [IF=5.1] Jing-Qun Liu et al."Apigenin ameliorates lupus nephritis by inhibiting SAT3 signaling in CD8+T cells."Food & Function.2024 Sep;:

51. [IF=4.1] Adalaiti Abudurexiti et al."Screening of α-Glucosidase Inhibitors in Cichorium glandulosum Boiss. et Huet Extracts and Study of Interaction Mechanisms."ACS Omega".2024;9(17):19401–19417

50. [IF=5.9] Jihui Lu et al."Nanoparticles Self-Assembled from Berberine and Chrysin for Generating Antimicrobial Films."ACS Applied Nano Materials.2023;XXXX(XXX):XXX-XXX

49. [IF=10.7] Chunfang Zhao et al."An integrated in vitro human iPSCs-derived neuron and in vivo animal approach for preclinical screening of anti-seizure compounds."Journal of Advanced Research.2023 Nov;:

48. [IF=3.4] Zhen Ma et al."Identification of chemical compounds of Schizonepeta tenuifolia Briq. and screening of neuraminidase inhibitors based on AUF-MS and SPR technology."JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS.2024 Jan;237:115787

47. [IF=5.4] Liangxin Zhao et al."UPLC-Q-Exactive/MS based analysis explore the correlation between components variations and anti-influenza virus effect of four quantified extracts of Chaihu Guizhi decoction."JOURNAL OF ETHNOPHARMACOLOGY.2023 Oct;:117318

46. [IF=5.6] Liu Xiaoying et al."Quality variation and biosynthesis of anti-inflammatory compounds for Capparis spinosa based on the metabolome and transcriptome analysis."Frontiers in Plant Science.2023 Jul;14:

45. [IF=3.4] Tongjie Xiao et al."In vitro bloodbrain barrier permeability study of four main active ingredients from Alpiniae oxyphyllae fructus."JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS.2023 Aug;:115637

44. [IF=4.3] Bao-Fei Yan et al."Huangqin decoction alleviates lipid metabolism disorders and insulin resistance in nonalcoholic fatty liver disease by triggering Sirt1/NF-κB pathway."WORLD JOURNAL OF GASTROENTEROLOGY.2023 Aug 21; 29(31): 4744–4762

43. [IF=1.7] Zhouyi Zhang et al."Revealing the differences in phenolics in different parts of Taraxacum mongolicum using UPLC-MS/MS."Phytochemistry Letters.2023 Aug;56:13

42. [IF=9.231] Lin Han et al."Inhibition mechanism of α-glucosidase inhibitors screened from Tartary buckwheat and synergistic effect with acarbose."FOOD CHEMISTRY.2023 Sep;420:136102

41. [IF=7.291] Liu Xiaojuan et al."Genome-wide analysis of cytochrome P450 genes in Citrus clementina and characterization of a CYP gene encoding flavonoid 3'-hydroxylase."Horticulture Research.2022 Dec;:

40. [IF=5.168] Pan Wang et al."Discovery and characterization of novel ATP citrate lyase inhibitors from natural products by a luminescence-based assay."CHEMICO-BIOLOGICAL INTERACTIONS.2022 Nov;367:110199

39. [IF=5.195] Xin Deng et al."A novel strategy for active compound efficacy status identification in multi-tropism Chinese herbal medicine (Scutellaria baicalensis Georgi) based on multi-indexes spectrum-effect gray correlation analysis."JOURNAL OF ETHNOPHARMACOLOGY.20

38. [IF=6.208] Pan Wang et al."Discovery of Flavonoids as Novel Inhibitors of ATP Citrate Lyase: Structure–Activity Relationship and Inhibition Profiles."INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES.2022 Jan;23(18):10747

37. [IF=3.614] Huanyu Guan et al."Deciphering the chemical constituents of Shengjiang Xiexin decoction by ultra-high-performance liquid chromatography-quadrupole/orbitrap high-resolution mass spectrometry and the impact of 20 characteristic components on multidrug resis

36. [IF=5.195] Mengmeng Song et al."Homeostatic regulation of the aryl hydrocarbon receptor-cytochrome P450 1a axis by Scutellaria baicalensis-Coptis chinensis herb pair and its main constituents."JOURNAL OF ETHNOPHARMACOLOGY.2022 Jul;:115545

35. [IF=9.473] Yujing Wang et al."Scutellarein Attenuates Atopic Dermatitis by Selectively Inhibiting Transient Receptor Potential Vanilloid 3."BRITISH JOURNAL OF PHARMACOLOGY

34. [IF=6.576] Junkun Pan et al."Inhibition of Dipeptidyl Peptidase-4 by Flavonoids: Structure–Activity Relationship, Kinetics and Interaction Mechanism."Frontiers in Nutrition. 2022; 9: 892426

33. [IF=3.935] Yizhu Wang et al."Effects of Scutellaria baicalensis Georgi. on Intestinal Flora in Rats with Spleen Deficiency and Damp-heat."JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS. 2022 May;:114831

32. [IF=7.46] Shuo Wang et al."A novel visual sensing method based on Al@AuNCs for rapid identification of Chrysanthemum morifolium from different origins."Sensor Actuat B-Chem. 2022 Apr;356:131307

31. [IF=3.935] Junmao Li et al."Comprehensive chemical profiling of the flowers of Citrus aurantium L. var. amara Engl. and uncovering the active ingredients of lipid lowering."J Pharmaceut Biomed. 2022 Mar;211:114621

30. [IF=3.645] Yu Zhang et al."Qualitative and quantitative analysis of Alpiniae Oxyphyllae fructus by HPLC coupled to Fourier transform-ion cyclotron resonance mass spectrometry."Journal Of Separation Science. 2022 Jan 11

29. [IF=2.408] Bin Ye et al."Protective effects of chrysin against cyclophosphamide-induced cardiotoxicity in rats: A biochemical and histopathological approach."Chemistry & Biodiversity. 2022 Jan 10

28. [IF=2.447] Fang-Mei Zhou et al."Protective effects of flavonoids from the leaves of Carya cathayensis Sarg. against H2O2?induced oxidative damage and apoptosis in vitro."Exp Ther Med. 2021 Dec;22(6):1-11

27. [IF=3.216] Taiyang Liao et al."Chrysin Attenuates the NLRP3 Inflammasome Cascade to Reduce Synovitis and Pain in KOA Rats."Drug Des Dev Ther. 2020; 14: 3015–3027

26. [IF=3.935] Jingyun Zheng et al."A systematic investigation on free phenolic acids and flavonoids profiles of commonly consumed edible flowers in China."J Pharmaceut Biomed. 2019 Aug;172:268

25. [IF=4.192] Qiangqiang Li et al."Bee Pollen Extracts Modulate Serum Metabolism in Lipopolysaccharide-Induced Acute Lung Injury Mice with Anti-Inflammatory Effects."J Agr Food Chem. 2019;67(28):7855–7868

24. [IF=5.11] Xiaonan Liu et al."De Novo Biosynthesis of Multiple Pinocembrin Derivatives in Saccharomyces cerevisiae."Acs Synth Biol. 2020;9(11):3042–3051

23. [IF=5.64] Ji  Xuemeng et al."Function Characterization of Endogenous Plasmids in Cronobacter sakazakii and Identification of p-Coumaric Acid as Plasmid-Curing Agent."Front Microbiol. 2021 Jun;0:1589

22. [IF=9.229] Linlin Deng et al."Highly Crystalline Covalent Organic Frameworks Act as a Dual-Functional Fluorescent-Sensing Platform for Myricetin and Water, and Adsorbents for Myricetin."Acs Appl Mater Inter. 2021;13(28):33449–33463

21. [IF=1.618] Cui Xiaobing et al."Simultaneous Determination of 10 Flavonoids in Crude and Wine-Processed Radix scutellariae by UHPLC."J Chromatogr Sci. 2016 Mar;54(3):312-317

20. [IF=2.57] Shengnan Zhao et al."Chrysin Suppresses Vascular Endothelial Inflammation via Inhibiting the NF-κB Signaling Pathway:."J Cardiovasc Pharm T. 2018;24(3):278-287

19. [IF=3.361] Huanyu Guan et al."Comparative intestinal bacteria-associated pharmacokinetics of 16 components of Shengjiang Xiexin decoction between normal rats and rats with irinotecan hydrochloride (CPT-11)-induced gastrointestinal toxicity in vitro using salting-out

18. [IF=3.738] Selma Houchi et al."Investigation of common chemical components and inhibitory effect on GES-type β-lactamase (GES22) in methanolic extracts of Algerian seaweeds."Microb Pathogenesis. 2019 Jan;126:56

17. [IF=3.811] Suhong Qian et al."Apigenin Restricts FMDV Infection and Inhibits Viral IRES Driven Translational Activity."Viruses-Basel. 2015 Apr;7(4):1613-1626

16. [IF=3.935] Yanqiu Gu et al."Comparative two-dimensional HepG2 and L02/ cell membrane chromatography/ C18/ time-of-flight mass spectrometry for screening selective anti-hepatoma components from Scutellariae Radix."J Pharmaceut Biomed. 2019 Feb;164:550

15. [IF=4.379] Wang  Jinghui et al."A New Strategy for Deleting Animal drugs from Traditional Chinese Medicines based on Modified Yimusake Formula."Sci Rep-Uk. 2017 May;7(1):1-22

14. [IF=6.057] Shasha Jing et al."A novel electrochemical sensor based on WO3 nanorods-decorated poly(sodium 4-styrenesulfonate) functionalized graphene nanocomposite modified electrode for detecting of puerarin."Talanta. 2017 Nov;174:477

13. [IF=7.46] Yiming Liang et al."Molecularly imprinted electrochemical sensor for daidzein recognition and detection based on poly(sodium 4-styrenesulfonate) functionalized graphene."Sensor Actuat B-Chem. 2017 Nov;251:542

12. [IF=7.808] Jianhua Li et al."Production of plant-specific flavones baicalein and scutellarein in an engineered E. coli from available phenylalanine and tyrosine."Metab Eng. 2019 Mar;52:124

11.  Shasha Jing, Huijun Zheng, Li Zhao, Lingbo Qu, Lanlan Yu,

A novel electrochemical sensor based on WO3 nanorods-decorated poly(sodium 4-styrenesulfonate) functionalized graphene nanocomposite modified electrode for detecting of puerarin,

Talanta,

Volume 174

10.  Yanqiu, et al. "Comparative two-dimensional HepG2 and L02/ cell membrane chromatography/ C18/ time-of-flight mass spectrometry for screening selective anti-hepatoma components from Scutellariae Radix. " Journal of pharmaceutical and biomedical analysis 164

9.  Yiming Liang, Chen Qu, Ran Yang, Lingbo Qu, Jianjun Li, Molecularly imprinted electrochemical sensor for daidzein recognition and detection based on poly(sodium 4-styrenesulfonate) functionalized graphene, Sensors and Actuators B: Chemical, Volume 251, 201

8.  Chen, Yan, et al. "Interaction of the main components from the traditional Chinese drug pair Chaihu-Shaoyao based on rat intestinal absorption." Molecules 16.11 (2011): 9600-9610.https:##doi.org/10.3390/molecules16119600

7.  Qian, Suhong, et al. "Apigenin restricts FMDV infection and inhibits viral IRES driven translational activity." Viruses 7.4 (2015): 1613-1626.https:##doi.org/10.3390/v7041613

6.  任永申, 鄧鑫, 雷蕾,. 基于抑菌效應成分指紋譜的黃芩質量評價研究[J]. 藥學學報, 2019, 054(012):2155-2161.

5.  崔曉鴿, 曹伶俐, 侯佳威,. 白楊素磷脂復合物的制備及其藥動學行為[J]. 中成藥, 2017, 39(005):934-939.

4.  穆順達, 鄭國華, 宋成武,. 白楊素平衡溶解度、油水分配系數及解離常數的測定[J]. 藥物分析雜志, 2018, 038(006):997-1004.

3.  楊金枝,孫文霞,王姣姣,崔鋒,郝海軍.白楊素固體脂質納米粒的制備及其藥動學行為[J].中成藥,2018,40(01):76-80.

2.  李宏偉, 付金芳, 范明松. 白楊素固體脂質納米粒水凝膠骨架緩釋片的制備[J]. 中成藥, 2020, 042(003):564-569.

1.  舒雪純  胡璇  于福來 等. HPLC測定益智仁以及其鹽灸炮制品中白楊素和圓柚酮含量[J]. 世界科學技術-中醫藥現代化  2019  v.21(10):236-241.

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