| Product Name | Cianidanol，(+)-Catechin hydrate |
|---|---|
| CAS | 154-23-4 |
| Formula | C15H14O6 |
| MW | 290.27 |
| Appearance | 白色粉末154-23-4 |
| Melting point | 175-177 °C |
| Boiling point | 629.2 °C |
| PKa | 9.54±0.10 | Condition: Most Acidic Temp: 25 °C |
| Product Name | Cianidanol，(+)-Catechin hydrate |
|---|---|
| CAS | 154-23-4 |
| Formula | C15H14O6 |
| MW | 290.27 |
| Appearance | 白色粉末154-23-4 |
| Melting point | 175-177 °C |
| Boiling point | 629.2 °C |
| PKa | 9.54±0.10 | Condition: Most Acidic Temp: 25 °C |
WKQ-0000015
中文名稱(chēng)：兒茶素
中文別名：(+)兒茶素；兒茶酸；羥黃酮；西阿尼醇；右旋兒茶酚；兒茶精；茶單寧；(2R,3S)-2-(3,4-二羥基苯基)苯并吡喃-3,5,7-三醇；(2R,3S)-2-(3,4-二羥基苯基)-3,4-二氫-2H-苯并吡喃-3,5,7-三醇；兒茶素（右旋）；(+)-兒茶精；(+)-兒茶精水合物
英文名稱(chēng)：Cianidanol，(+)-Catechin hydrate
英文別名：2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R-trans)-;Catechol (8CI);(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol;(+)-(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol;(+)-(2R:3S)-5,7,3',4'-Tetrahydroxyflavan-3-ol;(+)-3',4',5,7-Tetrahydroxy-2,3-trans-flavan-3-ol;(+)-Catechin;(+)-Catechol;(+)-Cianidanol;(+)-Cyanidan-3-ol;(+)-Cyanidanol;(+)-Cyanidanol-3;(2R,3S)-(+)-Catechin;3-Cyanidanol, (+)-;Biocatechin;Catechin;Catechin (flavan);Catechinic acid;Catechol (flavan);Catechuic acid;Catergen;Cianidanol;Cyanidanol;Cyanidol;D-(+)-Catechin;D-Catechin;D-Catechol;Dexcyanidanol;HB-MC-TS 35;NSC 2819;P 70A;PP-S4-1;Sunkatol No. 1;Sunphenon 90;Teafuran 30A;Teafuran 30E;d-Catechin;trans-(+)-3,3',4',5,7-Flavanpentol;
分子式：C15H14O6
分子量：290.27
CAS號(hào)：154-23-4
純度：HPLC≥98%
熔點(diǎn)：175-177 °C
沸點(diǎn)：629.2 °C
密度：1.593±0.06 g/cm3 | Condition: Temp: 20 °C Press: 760 Torr
酸系度數(shù)：9.54±0.10 | Condition: Most Acidic Temp: 25 °C
儲(chǔ)存條件：-20℃，干燥、避光、密封
規(guī)格：5mg10mg20mg50mg100mg500mg1g2g等應(yīng)客戶(hù)需求包裝
供應(yīng)單位：四川省維克奇生物科技有限公司
供應(yīng)電話(huà)：028-81700200/4008005713
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| Leaf and Flower Extracts of Six Michelia L.: Polyphenolic Composition, Antioxidant, Antibacterial Activities and in Vitro Inhibition of α-Amylase and α-Glucosidase | ||
| Source:SCI：CHEMISTRY & BIODIVERSITY | Author:Tianzhu Liao | Notes：影響因子：2.408 |
| Reference description | ||
Folin-Ciocalteureagent,gallic acid, catechinand otherpolyphenolicstandardswere purchasedfrom SichuanWeikeqiBiologicalTechnologyCo., Ltd. (China).1,1-Diphenyl-2-picrylhydrazyl(DPPH),2,2’-azinobis(3-ethyl-benzothiazoline-6-sulfonicacid)diammoniumsalt(ABTS),2,4,6-tris(2-pyridyl)-s-triazine(TPTZ),trolox,α-amylase,α-glucosidaseand 4-nitrophenyl-α-D-gluco-pyranoside(α-PNPG)wereobtainedfromSigma–Aldrich(USA). | ||
| Rapid analysis of components in Qizhiweitong tablets and plasma after oral administration in rats by UPLC-Q-TOF-MS/MS based on self-developed database | ||
| Source:SCI：BIOMEDICAL CHROMATOGRAPHY | Author:Qi Bing | Notes：影響因子：1.911 |
| Reference description | ||
QZWTT was provided by Liaoning Huarun Benxi Sanyao Co. Ltd(Benxi, China, lot no. 20200101). We used 26 chemical referencestandards in this study (Chengdu Pufeide BioTechnology Co. Ltd,Cheng du, China or Weikeqi Biological Technology Co. Ltd, Chengdu,China; Table S1). The acetonitrile, methanol (Merck, Germany) andformic acid (Fisher, USA) were of LC–MS grade, whereas the remain-ing chemicals were of analytically grade. | ||
| Structure-based identification and pathway elucidation of flavonoids in Camptotheca acuminate | ||
| Source:SCI：Synthetic and Systems Biotechnology | Author:Xiang Pu | Notes：影響因子：4.781 |
| Reference description | ||
Luteolin, quercetin, genistein, naringenin, isoliquiritigenin, mangiferin, and catechin standards were purchased from Weikeqi Biotech. Methanol, n-hexane, formic acid (analytical grade) were purchased from Chron Chemicals. Methanol (chromatographic grade) was purchased from Fisher. | ||
| Embelia Laeta aqueous extract suppresses acute inflammation via decreasing COX-2/iNOS expression and inhibiting NF-κB pathway | ||
| Source:SCI：JOURNAL OF ETHNOPHARMACOLOGY | Author:Zhongmin Zhang | Notes：影響因子：4.36 |
| Reference description | ||
Indomethacin (Indo) was purchased from Shanxi Yun-Peng Pharmaceutical. Co., Ltd. (China). The reference standard of gallic acid (>98% purity, wkq20010905), protocatechuic acid (>98% purity, wkq20020706), catechin (>98% purity, wkq20021707), epicatechin (>98% purity, wkq20012203), rutin (>98% purity, wkq20030203) were purchased from Sichuan Weikeqi Biotechnology Co., Ltd. (China). All other reagents were of analytical purity grade or better. | ||
| Two phenolic antioxidants in Suoyang enhance viability of ?OH-damaged mesenchymal stem cells: comparison and mechanistic chemistry | ||
| Source:SCI：Chemistry Central Journal | Author:Yulu Xie | Notes：影響因子：4.215 |
| Reference description | ||
Luteolin-7-O-β-D-glucoside (CAS 68321-11-9, 98%), protocatechuic acid (CAS 99-50-3, 98%), catechin (CAS 154-23-4, 98%), epicatechin (CAS 18829-70-4, 98%), naringenin (CAS 480-41-1, 98%), isoquercitrin (CAS 482-35-9, 98%), and phlorizin (CAS 60-81-1, 98%) were purchased from Weikeqi Biological Technology Co., Ltd. (Chengdu, China). Gallic acid (CAS 149-91-7, 98%) was purchased from Shanghai Aladdin Chemistry Co., Ltd. (Shanghai, China) | ||
| Chemical basis of hawthorn processed with honey protecting against myocardial ischaemia | ||
| Source:SCI：Food & Function | Author:Nannan Ao | Notes：影響因子：4.171 |
| Reference description | ||
and triglyceride (TG) were purchased from Nanjing Jiancheng Biotechnology Co., Ltd.. Honey was purchased from Jiangxi Yibe Industrial Co., Ltd.. Reference standards of isoquercitrin, catechin, epicatechin, hyperoside, proanthocyanidin B2, vitexin rhamnoside, hesperidin, rutin, quercetin, and luteolin were purchased from Sichuan Wei Keqi Biotechnology Co., Ltd. | ||
| Comparative assessment of phytochemical profiles, antioxidant and antiproliferative activities of Sea buckthorn (Hippophaë rhamnoides L.) berries | ||
| Source:SCI：FOOD CHEMISTRY | Author:Ruixue Guo | Notes：影響因子：4.052 |
| Reference description | ||
Quercetin (QE), gallic acid (GA), Folin-Ciocalteu reagent, 2,2′-azobis-amidinopropane (ABAP), and dichlorofluorescin diacetate (DCFH-DA) were purchased from Sigma-Aldrich Inc. (St. Louis, USA). Protocatechuic acid (PA), ferulic acid (FA), epicathin (Epi), catechin (CE), QE glycosides, isorhamnetin (IS) glycosides and kaempferol (KA) glycosides were purchased from Weikeqi Biological (Chengdu, China). Human liver cancer cells HepG2 were purchased from American Type Culture Collection (ATCC, Manassas, VA, USA). | ||
| Aqueous extract of Paeoniae Radix Rubra prevents deep vein thrombosis by ameliorating inflammation through inhibiting GSK3β activity | ||
| Source:SCI：PHYTOMEDICINE | Author:Ziqi Lu | Notes：影響因子：5.34 |
| Reference description | ||
Enhanced chemiluminescent HRP substrate was from EMD Millipore (Temecula, CA, USA). Five standard compounds (i.e., gallic acid, catechin, albiflorin, paeoniflorin and benzoylpaeoniflorin) with exceeded 98% purity were from Sichuan Weikeqi Biotechnology Co., Ltd. (Sichuan, China). Methanol, formic acid and acetonitrile were bought from Sigma-Aldrich (Darmstadt, Germany). | ||
| Comparative Analysis of Chemical Constituents in Different Parts of Lotus by UPLC and QToF-MS | ||
| Source:SCI：MOLECULES | Author:Haotian Pei | Notes：影響因子：4.412 |
| Reference description | ||
Five standard compounds, including rutin, quercetin, kaempferol, caffeic acid, and luteolin 7-glucoside, were purchased from the China National Institutes for Food and Drug Control. Six standard compounds, including isoquercitrin, isorhamnetin, catechin, epicatechin, nuciferine, and chlorogenic acid, were purchased from Sichuan Weikeqi Biological Technology Co., Ltd. (Sichuan, China). The purity of all the regents was HPLC ≥ 98%. | ||
| Phenolic compounds, antioxidant activity, antiproliferative activity and bioaccessibility of Sea buckthorn (Hippophaë rhamnoides L.) berries as affected by in vitro digestion | ||
| Source:SCI：Food & Function | Author:Ruixue Guo | Notes：影響因子：3.247 |
| Reference description | ||
Gallic acid, Folin-Ciocalteu reagent, 2, 2’-azobis-amidinopropane (ABAP), and dichlorofluorescin diacetate (DCFH-DA) were purchased from Sigma-Aldrich Inc. (St. Louis, USA). Isorhamnetin, kaempferol, quercetin and their glycosides, syringic acid, p-cumaric acid, epicatechin and catechin were purchased from Weikeqi Biological (Chengdu, China). Alpha-amylase, Pepsin, Pancreatin, Bile Extracts, Lipase, and Viscozyme L were purchased from SigmaAldrich, Ltd. (St. Louis, MO, USA). Human cancer cells HepG2, MCF7, MDA-MB-231 and Caco-2 were purchased from Sun Yat-Sen University. | ||
| Characterization of phenolic constituents in Lithocarpus polystachyus | ||
| Source:SCI：Analytical Methods | Author:Ya Zhao | Notes：影響因子：1.855 |
| Reference description | ||
Their identities were confirmed with 1H NMR, 13C NMR, and MS spectral analysis. Catechin (5), Naringin (25), Kaempferol-3-O-glucoside (37), Quercetin (50), Naringenin (52), Phloretin (58), and Kaempferol (59) were bought from Weikeqi Standards Corporation, China. Other standards such as Protocatechuic acid (3), Caffeoyl acid (8), and 5-O-caffeoyl shikimic acid (15) were previously isolated from other plants by our team members. The purity of all the standards was over 98%, as determined with HPLC analysis. The UPLC-PAD/ESI-MS analysis of 16 mixed standards is supplied as supplemental material (Fig. S2?). | ||
| Anti-inflammatory/anti-oxidant properties and the UPLC-QTOF/MS-based metabolomics discrimination of three yellow camellia species | ||
| Source:SCI：FOOD RESEARCH INTERNATIONAL | Author:Mingming Zhao | Notes：影響因子：7.425 |
| Reference description | ||
Procyanidin B3, vicenin2, astilbin, kaempferol-3-sophoroside-7-rhamnoside, isoquercitrin, isochlorogenic acid A, rutin, cynaroside, hyperoside, genistein, kaempfeol-3-O-rutinoside, quercetin, kaempferol, catechin, (-)-epicatechin, luteolin, vitexin, oleanolic acid, and isookanin-7-O-glucoside (the purities of all standards were higher than 99 % by HPLC analysis) were purchased from Weikeqi-biotech Co., ltd. (Chengdu, Sichuan, China). Dimethyl sulfoxide (DMSO), lipopolysaccharides (LPS) from Escherichia coli O111:B4 and 3-[4,5-Dimethyl-2-thiazolyl]-2,5-diphenyltetrazolium bromide (MTT) were purchased from Sigma-Aldrich (St. Louis, MO, USA). | ||
| Temperature-responsive surfactant-free microemulsion solvent: Preparation, characterization and application of extraction hydrophobic and hydrophilic components in plant matrix | ||
| Source:SCI：INDUSTRIAL CROPS AND PRODUCTS | Author:Jian-Dong Wang | Notes：影響因子：6.449 |
| Reference description | ||
The Rosa roxburghii leaves were purchased from Guizhou Lvyuan Food Company Limited (Guizhou, China) and air dried at room temperature, the water content of leaves was less than 10%, then grounded to powder using a blender, sieved (60 mesh) and stored prior to extraction. The standards used in this experiment which were purchased from Sichuan Weikeqi Biological Technology Co., Ltd. (Chengdu, China), including gallic acid, ellagic acid, catechin, rutin, quercetin, isoquercetin (purity ≥ 98%). Kajiichigoside F1 and roxburic acid were isolated from Rosa roxburghii leaves in this experiment (Pan et al., 2021). | ||
