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Blocka C, Fan Ding X, Zhu N, Zhang L. Experimental investigation of dynamic drying in single pharmaceutical granules containing acetaminophen or carbamazepine using synchrotron X-ray micro computed tomography. Int J Pharm 2024; 665:124664. [PMID: 39260751 DOI: 10.1016/j.ijpharm.2024.124664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Revised: 09/01/2024] [Accepted: 09/02/2024] [Indexed: 09/13/2024]
Abstract
Drying time, velocity, and temperature are important aspects of the drying process for pharmaceutical granules observed during tablet manufacturing. However, the drying mechanism of single granules is often limited to modelling and simulation, with the internal and physical changes difficult to quantify at an experimental level. In this study, in-situ synchrotron-based X-ray imaging techniques were used for the first time to investigate the dynamic drying of single pharmaceutical granules, quantifying internal changes occurring over the drying time. Two commonly used excipients (lactose monohydrate (LMH) and microcrystalline cellulose (MCC)) were used as pure components and binary mixtures with one of either two active pharmaceutical ingredients of differing hydrophilicity/hydrophobicity (acetaminophen (APAP) and carbamazepine (CBZ)). Water was used as a liquid binder to generate single granules of 25 % to 30 % moisture content. Results showed that for most samples, the drying time and composition significantly influences the pore volume evolution and the moisture ratio, with the velocity and temperature of the drying air possessing mixed significance on increasing the rate of pore connectivity and moisture removal depending on the sample composition. Effects of active ingredient loading resulted in minimal influence on the drying of CBZ and generated binary mixtures, with APAP and its respective mixtures' drying behaviour dominated by the material's hydrophilic nature.
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Affiliation(s)
- Carter Blocka
- Department of Chemical and Biological Engineering, University of Saskatchewan, Saskatoon, SK, Canada
| | - Xiao Fan Ding
- Department of Biomedical Engineering, University of Saskatchewan, Saskatoon, SK, Canada
| | - Ning Zhu
- Department of Chemical and Biological Engineering, University of Saskatchewan, Saskatoon, SK, Canada; Department of Biomedical Engineering, University of Saskatchewan, Saskatoon, SK, Canada; Canadian Light Source Inc., Saskatoon, SK, Canada
| | - Lifeng Zhang
- Department of Chemical and Biological Engineering, University of Saskatchewan, Saskatoon, SK, Canada.
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Zheng BD, Yu YZ, Yuan XL, Chen XS, Yang YC, Zhang N, Huang YY, Ye J, Xiao MT. Sodium alginate/carboxymethyl starch/κ-carrageenan enteric soft capsule: Processing, characterization, and rupture time evaluation. Int J Biol Macromol 2023:125427. [PMID: 37330088 DOI: 10.1016/j.ijbiomac.2023.125427] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/05/2023] [Accepted: 06/14/2023] [Indexed: 06/19/2023]
Abstract
Although gelatin has good characteristics in preparing soft capsules, its noticeable shortcomings force researchers to further develop substitutes for gelatin soft capsules. In this paper, sodium alginate (SA), carboxymethyl starch (CMS) and κ-carrageenan (κ-C) were used as matrix materials, and the formula of the co-blended solution was screened through rheological method. In addition, films of the different blends were characterized by thermogravimetry analysis, SEM, FTIR, X-ray, water contact angle and mechanical properties. The results showed that κ-C had strong interaction with CMS and SA and the mechanical properties of capsule shell were greatly improved by the addition of κ-C. When the ratio of CMS/SA/κ-C was 2:0.5:1.5, the microstructure of the film was more dense and uniform. In addition, this formula had the best mechanical properties and adhesion properties, and was more suitable for the production of soft capsules. Finally, a novel plant soft capsule was successfully prepared by dropping method, and its appearance and rupture properties met the requirements of enteric soft capsules. In simulated intestinal juice, the soft capsule was almost completely degraded within 15 min, and it was superior to the gelatin soft capsule. Therefore, this study provides an alternative formula for preparing enteric soft capsules.
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Affiliation(s)
- Bing-De Zheng
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China.
| | - Yi-Zhu Yu
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Xiao-Lu Yuan
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Xi-Sheng Chen
- Sinopharm Xingsha Pharmaceutical Co., Ltd., Xiamen 361026, China
| | - Yu-Cheng Yang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Na Zhang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Ya-Yan Huang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Jing Ye
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Mei-Tian Xiao
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China.
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He C, Yang Y, Zhang M, Zhou K, Huang Y, Zhang N, Ye J, Arowo M, Zheng B, Zhang X, Xu H, Xiao M. Drying Process of HPMC-Based Hard Capsules: Visual Experiment and Mathematical Modeling. Gels 2023; 9:463. [PMID: 37367134 DOI: 10.3390/gels9060463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/31/2023] [Accepted: 06/01/2023] [Indexed: 06/28/2023] Open
Abstract
Using plant-based polysaccharide gels to produce hard capsules is a novel application of this technology in the medicinal field, which has garnered significant attention. However, the current manufacturing technology, particularly the drying process, limits its industrialization. The work herein employed an advanced measuring technique and a modified mathematical model to get more insight into the drying process of the capsule. Low field magnetic resonance imaging (LF-MRI) technique is adopted to reveal the distribution of moisture content in the capsule during drying. Furthermore, a modified mathematical model is developed by considering the dynamic variation of the effective moisture diffusivity (Deff) according to Fick's second law, which enables accurate prediction of the moisture content of the capsule with a prediction accuracy of ±15%. The predicted Deff ranges from 3 × 10-10 to 7 × 10-10 m2·s-1, which has an irregular variation with a time extension. Moreover, as temperature increases or relative humidity decreases, there is an increased acceleration of moisture diffusion. The work provides a fundamental understanding of the drying process of the plant-based polysaccharide gel, which is crucial for enhancing the industrial preparation of the HPMC-based hard capsules.
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Affiliation(s)
- Chuqi He
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Yucheng Yang
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Het Kranenveld, 5600 MB Eindhoven, The Netherlands
| | - Mi Zhang
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Kecheng Zhou
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Yayan Huang
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Na Zhang
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Jing Ye
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Moses Arowo
- Department of Chemical & Process Engineering, Moi University, Nairobi 3900-30100, Kenya
| | - Bingde Zheng
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Xueqin Zhang
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Honghui Xu
- Zhejiang Honghui Capsule Co., Ltd., Shaoxing 312500, China
| | - Meitian Xiao
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Huaqiao University, Xiamen 361021, China
- Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
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