Article(id=1152996335541281563, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1152996332307473145, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1752825348028, onlineDateStr=2025-07-18, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752825348028, onlineIssueDateStr=2025-07-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752825348028, creator=13701087609, updateTime=1752825348028, updator=13701087609, issue=Issue{id=1152996332307473145, tenantId=1146029695717560320, journalId=1146119944283992078, year='2025', volume='3', issue='3', pageStart='1', pageEnd='162', issueExtLink='null', onlineDate='null', pubDate='1738944000000', pubDateStr='2025-02-08', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752825347258, creator='13701087609', updateTime=1753700656126, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1156667643827446407, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1152996332307473145, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156667643827446408, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1152996332307473145, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=26, endPage=28, ext={CN=ArticleExt(id=1152996338246607688, articleId=1152996335541281563, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=HPLC法测定补肾强身胶囊中原儿茶酸的含量, columnId=1151957373175820401, journalTitle=实验室检测, columnName=创新应用, runingTitle=null, highlight=null, articleAbstract=

目的 建立高效液相色谱法(HPLC)测定补肾强身胶囊中原儿茶酸的含量。方法 采用HPLC法测定,Aiglent 5TCC18(2) (250 mm×4.6 mm, 5µm)色谱柱,检测波长为 260 nm;流速为1.0 mL/min;进样量为10 µL;流动相为乙腈0.5% 磷酸溶液(3:97);柱温为30℃。结果 原儿茶酸在 1.07~21.41 µg/mL 的浓度范围内线性关系良好(r=0.9998);精密度、稳定性、重复性试验结果的相对标准偏差(RSD)均小于2.0%;平均加样回收率(n=6)为92.2%(RSD=0.8%)。结论 该研究建立的补肾强身胶囊中原儿茶酸的含量测定方法准确可靠,重复性好,可为补肾强身胶囊的质量控制提供参考。

, authors=

余中霞,主管药师,研究方向为药物分析。

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*郑露盼,助理工程师,研究方向为食品药品质量标准研究。E-mail:
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A. 对照品溶液 B. 供试品溶液 C. 阴性对照溶液

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取样量(g) 测定量 原有量 加入量 回收率(%) 平均回收率(%) RSD(%)
0.5024 148.32 79.63 74.97 91.62
0.5049 149.21 80.03 74.97 92.28
0.5011 148.54 79.43 74.97 92.18
0.5032 149.18 79.76 74.97 92.60 92.2 0.8
0.5027 149.64 79.68 74.97 93.32
0.5014 147.94 79.47 74.97 91.33
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取样量(g) 测定量 原有量 加入量 回收率(%) 平均回收率(%) RSD(%)
0.5024 148.32 79.63 74.97 91.62
0.5049 149.21 80.03 74.97 92.28
0.5011 148.54 79.43 74.97 92.18
0.5032 149.18 79.76 74.97 92.60 92.2 0.8
0.5027 149.64 79.68 74.97 93.32
0.5014 147.94 79.47 74.97 91.33
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序号 产地 批号 原儿茶酸(μg/ 粒)
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2 贵州 20221203 49
3 四川 2309003 76
4 贵州 20221202 54
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序号 产地 批号 原儿茶酸(μg/ 粒)
1 安徽 2210312 15
2 贵州 20221203 49
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6 贵州 20221204 53
7 安徽 2311212 12
8 吉林 231106 38
9 陕西 20231103 124
10 四川 2212003 60
11 吉林 230902 37
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HPLC法测定补肾强身胶囊中原儿茶酸的含量
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余中霞 , 丁金有 , 郑露盼 * , 江锐 , 方文超 , 龚平双 , 徐鹏
实验室检测 | 创新应用 2025,3(3): 26-28
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实验室检测 |创新应用 2025 , 3 (3) : 26 -28
HPLC法测定补肾强身胶囊中原儿茶酸的含量
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余中霞, 丁金有, 郑露盼* , 江锐, 方文超, 龚平双, 徐鹏
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  • 上饶市检验检测认证院 上饶 334000
通讯作者:
*郑露盼,助理工程师,研究方向为食品药品质量标准研究。E-mail:
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目的 建立高效液相色谱法(HPLC)测定补肾强身胶囊中原儿茶酸的含量。方法 采用HPLC法测定,Aiglent 5TCC18(2) (250 mm×4.6 mm, 5µm)色谱柱,检测波长为 260 nm;流速为1.0 mL/min;进样量为10 µL;流动相为乙腈0.5% 磷酸溶液(3:97);柱温为30℃。结果 原儿茶酸在 1.07~21.41 µg/mL 的浓度范围内线性关系良好(r=0.9998);精密度、稳定性、重复性试验结果的相对标准偏差(RSD)均小于2.0%;平均加样回收率(n=6)为92.2%(RSD=0.8%)。结论 该研究建立的补肾强身胶囊中原儿茶酸的含量测定方法准确可靠,重复性好,可为补肾强身胶囊的质量控制提供参考。

高效液相色谱法  /  补肾强身胶囊  /  原儿茶酸
余中霞, 丁金有, 郑露盼, 江锐, 方文超, 龚平双, 徐鹏. HPLC法测定补肾强身胶囊中原儿茶酸的含量. 实验室检测, 2025 , 3 (3) : 26 -28 .
补肾强身胶囊由淫羊藿、女贞子(制)、金樱子、狗脊(制) 和菟丝子五味药组成。处方中狗脊为蚌壳蕨科植物金毛狗脊 Cibotium barometz (L.) J. Sm. 的干燥根茎,具有祛风湿、补肝肾、强腰膝功效,用于治疗风湿痹痛、腰膝酸软、下肢无力[1]。 现有的文献报道关于补肾强身片胶囊中淫羊藿、女贞子的药效成分研究较多[2-4],鲜有对制剂中狗脊研究的报道。狗脊的化学成分主要包括糖及糖苷类、芳香族类、酚酸类、黄酮类、甾体类、无机元素、氨基酸类、吡喃酮类[5],其中酚酸类[6-8]为狗脊的主要化学成分。有研究表明原儿茶酸为主要活性成分[9-11], 具有改善高脂血症[12]、急性肾损伤[13]、抑菌[14-15]等作用。因此, 本文建立 HPLC 法测定补肾强身胶囊中原儿茶酸的含量, 为补肾强身胶囊中制狗脊质量控制提供参考。
Agilent 1260 高效液相色谱仪[16](美国安捷伦公司); KQ-600E 超声波清洗器(昆山美美超声仪器有限公司);Techcomp FA2204B 万分之一电子天平;Sartorius BT25S 十万分之一电子天平。
对照品原儿茶酸(中国食品药品检定研究院,批号: 110809-202207, 含量以 97.5% 计)。11 批补肾强身胶囊样品来源于 2024 年江西省药品探索性研究项目抽样, 涉及 5 家企业 5 个省,分别为安徽、贵州、四川、吉林和陕西。甲醇、冰醋酸均为分析纯,乙腈为色谱纯,水为超纯水。
精密称取原儿茶酸对照品适量, 加甲醇溶解并稀释成质量浓度为${0.1071}\mathrm{{mg}}/\mathrm{{mL}}$ 的溶液,作为对照品母液。精密量取对照品母液$1\mathrm{{mL}}$ 置${10}\mathrm{\;{mL}}$ 量瓶中,加甲醇$- 1\%$ 冰醋酸溶液$\left({{70}: {30}}\right)$ 稀释至刻度, 摇匀, 作为对照品溶液。
精密称取样品${1.0}\mathrm{g}$ ,加甲醇$- 1\%$ 冰醋酸溶液$\left({{70}: {30}}\right)$ 溶液${25}\mathrm{\;{mL}}$ 超声处理 (功率${250}\mathrm{\;W}$ ,频率${40}\mathrm{{kHz}}$ )${30}\mathrm{\;{min}}$ ,放冷, 称定重量,用甲醇$- 1\%$ 冰醋酸溶液$\left({{70}: {30}}\right)$ 溶液补足减失的重量, 摇匀, 滤过, 取续滤液[17], 即得。
取缺狗脊的其他药材, 按处方工艺制备阴性样品, 再按 1.3.2 制备阴性对照溶液[18]。
流动相: 乙腈$-{0.5}\%$磷酸溶液$\left({3 :{97}}\right)$; 流速:${1.0}\mathrm{\;{mL}}/\mathrm{{min}}$; Aiglent$5\mathrm{{TC}}- \mathrm{C}{18}\left( 2\right)$色谱柱$\left({{250}\mathrm{\;{mm}}\times {4.6}\mathrm{\;{mm}},{5\mu }\mathrm{m}}\right)$;柱温:${30}^{\circ }\mathrm{C}$; 进样量:${10\mu }\mathrm{L}$; 检测波长:${260}\mathrm{\;{nm}}$。
分别取 1.3 项下的三种溶液各${10\mu }\mathrm{L}$ ,注入液相色谱仪,在 1.4 项下条件测定, 供试品溶液中原儿茶酸与对照品溶液主峰的保留时间一致, 且阴性样品溶液无干扰, 结果见图 1 。
精密量取 1.3.1 项下的对照品储备液适量, 稀释成原儿茶酸质量浓度分别为 1.07、2.14、5.35、10.71、21.41 μg/mL 的溶液, 按 1.4 项下测定峰面积, 以峰面积为纵坐标, 以质量浓度为横坐标,得回归方程为$y ={0.4452x}+ {0.0589},{r}^{2}= {0.9998}$ 。
取 1.3.1 项下对照品溶液,在 1.4 项下连续测定 6 次,记录色谱图。测得原儿茶酸的峰面积为 9.896、9.816、9.936、 9.828、9.896、9.855, RSD 为 0.5%,表明仪器精密度良好。
按照 1.3.2 项下平行制备 6 份供试品溶液, 在 1.4 项下测定原儿茶酸含量[17],计算 RSD 为 0.7%,表明方法重复性良好。
取同一供试品溶液,在室温放置每间隔$4\mathrm{\;h}$ 按1.4项下方法测定并记录原儿茶酸峰面积[17],计算 RSD 为 0.8%,结果显示供试品溶液 24 h 内稳定。
精密称取内容物${1.0}\mathrm{\;g}$ (批号:20221203,含原儿茶酸为${49.39\mu }\mathrm{g}/$ 粒),分别加入原儿茶酸对照品溶液$\left({{10.71\mu }\mathrm{g}/\mathrm{{mL}}}\right)$ $7\mathrm{\;{mL}}$ ,再按 1.3.2 节方法制备,测定并计算回收率,见表 1 ,结果表明该方法的回收率良好。
分别称取不同产地的补肾强身胶囊内容物${1.0}\mathrm{g}$ ,按照 1.3.2 项下方法制备, 测定并计算原儿茶酸的含量, 结果见表 2 。根据含量测定结果可知, 不同厂家的补肾强身胶囊中原儿茶酸的含量差异比较大, 可能与狗脊药材的产地、等级、制剂工艺以及辅料的不同等各方面的影响。
续表
提取溶剂考察了用 30% 甲醇、30% 乙醇、甲醇 -1% 冰醋酸溶液$\left({{70}: {30}}\right)$和乙醇$- 1\%$冰醋酸溶液$\left({{70}: {30}}\right)$;提取方法考察了水浴、超声和振摇;提取时间考察了 10、20、30、40 min。 结果采用加甲醇$- 1\%$冰醋酸溶液$\left({{70}: {30}}\right)$溶液,超声处理 (功率${250}\mathrm{\;W}$,频率${40}\mathrm{{kHz}}$)${30}\mathrm{\;{min}}$提取方法最简便、完全。
流动相考察了甲醇 -0.5% 磷酸溶液、甲醇 -1% 冰醋酸[6]和乙腈$-{0.5}\%$冰醋酸溶液等,柱温比较了 25、30、35${}^{\circ }\mathrm{C}$,最终确定流动相为乙腈$-{0.5}\%$磷酸溶液;流速为${1.0}\mathrm{\;{mL}}/\mathrm{{min}}$;柱温为${30}^{\circ }\mathrm{C}$时为最佳。
本研究建立了 HPLC 法测定补肾强身胶囊中原儿茶酸的含量,该方法简便,灵敏度高,准确度高,实用性强。为药品监管部门掌握制剂质量提供了科学依据, 并为补肾强身胶囊的质量标准提升提供参考。
  • 上饶市市级科技计划医疗卫生领域第一批指导性项目(20241CZDX05)
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上饶市市级科技计划医疗卫生领域第一批指导性项目(20241CZDX05)
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    上饶市检验检测认证院 上饶 334000

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*郑露盼,助理工程师,研究方向为食品药品质量标准研究。E-mail:
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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