姜黄素醇传递体处方的优化

2021-10-15 03:07李晓珊李凯童金三娣胡巧红
中国药房 2021年19期
关键词:响应面法高效液相色谱法

李晓珊 李凯童 金三娣 胡巧红

中图分类号 R944 文献标志码 A 文章编号 1001-0408(2021)19-2383-05

DOI 10.6039/j.issn.1001-0408.2021.19.13

摘 要 目的:优化姜黄素(CUR)醇传递体(CUR-TEs)的处方。方法:采用高效液相色谱法测定CUR-TEs中CUR的含量。采用注入法制备CUR-TEs,并以包封率和载药量的综合评分为指标,在单因素实验的基础上,采用Box-Behnken设计-响应面法对其处方进行优化及验证,然后考察以最优处方制得的CUR-TEs的性质。结果:CUR-TEs的最优处方为卵磷脂用量4%、CUR用量0.13%、1,2-丙二醇用量25%、聚山梨酯80用量1%。最优处方的验证实验结果显示,CUR-TEs包封率和载药量的综合评分为93.04±2.16,与预测值(91.19)的相对误差为2.03%。以最优处方所制得的CUR-TEs的包封率为(91.17±1.35)%、载药量为(0.94±0.02)%、粒径为(190.64±15.97) nm、多分散系数(PDI)为0.086±0.007、Zeta电位为(-12.74±1.60) mV。结论:优化后的CUR-TEs处方稳定性良好,具有可行性和可重复性;所制得的CUR-TEs具有较好的稳定性。

关键词 姜黄素;醇传递体;高效液相色谱法;Box-Behnken设计-响应面法;处方优化

Optimization of the Formulation of Curcumin Transethosomes

LI Xiaoshan,LI Kaitong,JIN Sandi,HU Qiaohong(School of Pharmacy, Guangdong Pharmaceutical University/Guangdong Engineering & Technology Research Center of Local Precision Drug Delivery System, Guangzhou 510006, China)

ABSTRACT   OBJECTIVE: To optimize the formulation of Curcumin (CUR) transethosomes (CUR-TEs). METHODS: The contents of CUR in CUR-TEs were determined by HPLC. CUR-TEs were prepared by injection method. Using comprehensive score of encapsulation efficiency and drug loading as index, based on signal factor test, Box-Behnken design-response surface method was used to optimize and validate the formulation. The property of CUR-TEs prepared by the optimal formulation was investigated. RESULTS: The optimal formulation of CUR-TEs was as follows as lecithin of 4%, CUR of 0.13%, 1,2-propylene glycol of 25%, tween-80 of 1%. Results of validation test of optimal formulation showed that comprehensive score of encapsulation efficiency and drug loading of CUR-TEs was 93.04±2.16, relative error of which to predicted value (91.19) was 2.03%. The encapsulation efficiency of CUR-TEs prepared by optimal formulation was (91.17±1.35)%, and its drug loading was (0.94±0.02)%. The particle size was (190.64±15.97) nm with polydispersity index of 0.086±0.007, and Zeta potential was (-12.74±1.60) mV. CONCLUSIONS: The optimized formulation of CUR-TEs is stable, feasible and repeatable, with good stability.

KEYWORDS   Curcumin; Transethosomes; HPLC; Box-Behnken design-response surface method; Formulation optimization

姜黃素(curcumin,CUR)是从姜科植物姜黄Curcuma Longa L.的干燥根茎中提取出来的一种多酚类脂溶性化合物[1],目前被广泛应用于医药领域中。研究表明,CUR具有抗炎、抗病毒、抗血栓、抗氧化、抗肿瘤等药理作用[1-3],可用于糖尿病[4]、肝脏疾病[5]、胃肠道疾病[6]、肺部疾病[7]、皮肤病[8-10]的治疗。然而,CUR的水溶性和稳定性较差[11],极大地限制了其应用。为此,改善CUR的溶解度和稳定性一直是研究热点。目前,已有多种方法被用于解决CUR水溶性差、稳定性差的问题,如通过使用有机溶剂或表面活性剂来提高CUR的溶解度,通过添加抗氧化剂来改善CUR的稳定性,通过应用纳米载体的包封技术来提高CUR的溶解度和稳定性等[12-13]。

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