[1]周斌宋选飞谢欢王云张永萍.丹参提取物平衡溶解度及表观油水分配系数的测定[J].现代中医药,2024,(02):079-86.[doi:10.13424/j.cnki.mtcm.2024.02.015]
 ZHOU BinSONG XuanfeiXIE HuanWANG YunZHANG Yongping.Determination of Equilibrium Solubility and Apparent Oil-Water Distribution Coefficient of Danshen Extract[J].Modern Traditional Chinese Medicine,2024,(02):079-86.[doi:10.13424/j.cnki.mtcm.2024.02.015]
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丹参提取物平衡溶解度及表观油水分配系数的测定()
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《现代中医药》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2024年02期
页码:
079-86
栏目:
出版日期:
2024-03-20

文章信息/Info

Title:
Determination of Equilibrium Solubility and Apparent Oil-Water Distribution Coefficient of Danshen Extract
文章编号:
1672-0571(2024)02-0079-08
作者:
周斌1宋选飞1谢欢1王云1张永萍123
1.贵州中医药大学,贵州 贵阳 550025;
2.贵州中药炮制与制剂工程技术研究中心,贵州 贵阳 550025;
3.国家苗药工程技术研究中心,贵州 贵阳 550025
Author(s):
ZHOU Bin1SONG Xuanfei1XIE Huan1WANG Yun1ZHANG Yongping123
1.Guizhou University of Chinese Medicine,Guiyang 550025,China;
2.Guizhou Traditional ChineseMedicine Processing and Formulation Engineering Technology Research Center,Guiyang 550025,China;
3.National Miao Medicine Engineering Technology Research
关键词:
关键词:平衡溶解度表观油水分配系数丹参提取物超高效液相色谱法
Keywords:
Key words:Equilibrium solubilityApparent oil-water distribution coefficientDanshen extractUltra high performance liquid chromatography
分类号:
R284
DOI:
10.13424/j.cnki.mtcm.2024.02.015
文献标志码:
A
摘要:
摘要:目的 测定丹参提取物中“水-脂”二元组分指标成分在不同溶剂中的平衡溶解度及不同pH下的表观油水分配系数,探索丹参提取物的溶解性能。方法 应用超高效液相色谱法(UPLC)结合质量权重系数法表征丹参提取物中迷迭香酸、紫草酸、丹酚酸B、丹酚酸A、隐丹参酮及丹参酮ⅡA 6个指标成分在不同极性及pH值溶液中的整体溶解度和在饱和正辛醇-水系统中的整体油水分配系数。结果 37 ℃时提取物在水、甲醇、乙醇、乙腈、正丁醇、丙酮、三氯甲烷、乙酸乙酯八种溶剂中整体溶解性介于0.62~11.58 mg·mL-1之间,在水中的平衡溶解度较大;在缓冲液中平衡溶解度呈先增大后减小,最后趋于稳定的趋势;饱和正辛醇-水系统中的整体油水分配系数Kapp介于-1.12~-0.16之间,pH为4.97时lgP达到最大。结论 丹参提取物溶解性与渗透性均差,在剂型设计时可考虑在处方中加入适量醇类提高溶解度,调节pH值、利用促渗方法等促进药物经皮吸收。
Abstract:
Abstract:Objective To determine the equilibrium solubility of the “water lipid” binary component index components in different solvents and the apparent oil-water distribution coefficient at different pH values in Danshen extract,and to explore the solubility performance of Danshen extract.Methods Ultra high performance liquid chromatography (UPLC) combined with mass weighting coefficient method was used to characterize the overall solubility of six indicator components,including rosmarinic acid,purpuric acid,salvianolic acid B,salvianolic acid A,cryptotanshinone,and salvianone IIA,in solutions of different polarities and pH values,as well as the overall oil-water distribution coefficient in a saturated n-octanol water system in Danshen extract.Results At 37 ℃,the overall solubility of the extract in eight solvents including water,methanol,ethanol,acetonitrile,n-butanol,acetone,trichloromethane,and ethyl acetate ranged from 0.62 to 11.58 mg·mL-1,and the equilibrium solubility in water was relatively high;The equilibrium solubility in the buffer solution shows a trend of first increasing,then decreasing,and finally stabilizing;The overall oil-water distribution coefficient Kapp in the saturated n-octanol water system ranges from -1.12 to -0.16,and the lgP reaches its maximum at pH 4.97.Conclusion The solubility and permeability of Danshen extract are both poor.When designing the dosage form,it is possible to consider adding an appropriate amount of alcohols to the prescription to improve solubility,adjust pH value,and use permeation promoting methods to promote drug transdermal absorption.

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金面上项目(81873020);贵州省高等学校中药民族药(苗药)新剂型新制剂工程研究中心(黔教技[2022]022)
更新日期/Last Update: 2024-03-26