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Effect of heating temperature and time on pharmaceutical characteristics of albumin microspheres containing 5-fluorouracil

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Conclusion

In this study, we found that both heating temperature and heating time affect mean particle size, particle size distribution, and drug entrapment efficiency of albumin microspheres. The change in heating temperature may affect the particle size of the product, especially when heating is carried out at a lower temperature (90°C–120°C). Hence the temperature should be selected on the basis of desired size range. Given that it is desirable for a maximum amount of the drug used in the preparation to become entrapped in microspheres, heating temperature and heating time for denaturation of albumin should be selected cautiously, as both have a significant effect on drug entrapment efficiency. In the present case, the highest entrapment was found in batches prepared by heating at 90°C for 5 minutes. However, the extent of stabilization at the selected temperature and the time of heating should also be taken into consideration, as they may affect the release of drugs to target tissue.

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Authors and Affiliations

  1. Department of Pharmacy and Pharmaceutical Technology, AR College of Pharmacy and GH Patel Institute of Pharmacy, Vallabh Vidyanagar, Gujarat, India

    Rajesh R. Dubey, Jolly R. Parikh & Rajesh R. Parikh

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  1. Rajesh R. Dubey
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  2. Jolly R. Parikh
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Correspondence to Rajesh R. Dubey.

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Dubey, R.R., Parikh, J.R. & Parikh, R.R. Effect of heating temperature and time on pharmaceutical characteristics of albumin microspheres containing 5-fluorouracil. AAPS PharmSciTech 4, 4 (2003). https://doi.org/10.1208/pt040104

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