Related Experiment Video

Updated: Jul 10, 2026

Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies
09:30

Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies

Published on: March 17, 2023

Examination of microbiological quality of pharmaceutical raw materials

L Bomblies1, C Weiss, G Beckmann

  • 1lothar.bomblies@labor-ls.de

Pharmeuropa Scientific Notes
|November 13, 2007
PubMed

Insights

Harmonized European Pharmacopoeia (Ph. Eur.) standards impact pharmaceutical quality. While most raw materials meet standards, new limits reveal some plant-derived materials exceed specifications, necessitating regular inspections.

Area of Science:

  • Pharmaceutical Microbiology
  • Regulatory Science

Background:

  • International Council for Harmonisation (ICH) has harmonized microbiological testing methods across major pharmacopoeias (Ph. Eur., USP, JP).
  • New harmonized standards became effective in Europe in 2007, necessitating a review of existing microbiological limits in Ph. Eur. monographs.

Purpose of the Study:

  • To evaluate the microbiological quality of pharmaceutical raw materials based on historical data (1997-2006).
  • To provide a database for adapting Ph. Eur. microbiological limit values in light of harmonized standards.
  • To compare compliance rates using old versus new harmonized microbiological limits.

Main Methods:

  • Analysis of 3387 microbiological examinations from 40 different pharmaceutical raw materials.
  • Evaluation of data against existing Ph. Eur. limits and newly harmonized limits.
  • Assessment of out-of-specification (OOS) results under both regulatory frameworks.

Main Results:

  • 93% of raw materials met existing microbiological limits.
  • Under old methods, 5.5% of results were within specification using a tolerance factor of 5, with only 1.5% OOS.
  • Applying new harmonized limits increased OOS results to 6%, primarily for plant-derived raw materials.

Conclusions:

  • Most pharmaceutical raw materials possess adequate microbiological quality.
  • A small percentage of raw materials, particularly those of plant origin, exceed the newly harmonized microbiological limits.
  • Regular incoming goods inspections are crucial for ensuring pharmaceutical raw material quality.

More Related Videos

Antimicrobial Characterization of Advanced Materials for Bioengineering Applications08:08

Antimicrobial Characterization of Advanced Materials for Bioengineering Applications

Published on: August 4, 2018

Evaluation of Microbial Safety of Dairies using Bacterial Proteomic Profiling via MALDI Approach09:31

Evaluation of Microbial Safety of Dairies using Bacterial Proteomic Profiling via MALDI Approach

Published on: October 7, 2025

Related Concept Videos

Good Manufacturing Practices01:26

Good Manufacturing Practices

Good Manufacturing Practices (GMP) constitute a foundational set of guidelines that ensure the production of safe, consistent, and high-quality products, particularly in industries such as pharmaceuticals, biotechnology, and food processing. These protocols encompass all aspects of production, from the sourcing of raw materials to the final distribution of the finished product.A core pillar of GMP is stringent hygiene and sanitation across all production environments. This includes routine...
Pharmaceutical Alternatives: Excipients and Impurities-Related Therapeutic Nonequivalence01:19

Pharmaceutical Alternatives: Excipients and Impurities-Related Therapeutic Nonequivalence

Pharmaceutical products contain more than just the active drug; they also contain various excipients such as binders, solubilizers, stabilizers, preservatives, and other elements. In some cases, impurities or contaminants might be present. Traditionally, quality control in pharmaceuticals has primarily focused on the analysis of the active drug, often overlooking the impact of these additional components. The recent issue with heparin contamination by over-sulfated chondroitin sulfate, a...
Clinically Relevant Drug Product Specifications: Methods of Establishment01:29

Clinically Relevant Drug Product Specifications: Methods of Establishment

Product specifications define the acceptable quality of a pharmaceutical product by ensuring identity, purity, potency, and strength. These specifications serve as benchmarks during development, manufacturing, and post-approval quality control. Clinically relevant specifications are particularly important because they directly relate to a drug's safety and efficacy in clinical use.Dissolution studies are critical biopharmaceutic tools that link in vitro behavior to in vivo performance. They...
Rapid Identification of Pathogens01:25

Rapid Identification of Pathogens

MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...
Automated Microbial Diagnostics01:24

Automated Microbial Diagnostics

Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...
Need for Obtaining Pure Cultures01:29

Need for Obtaining Pure Cultures

Pure cultures, defined as the growth of a single microorganism species isolated from mixed populations, are fundamental tools in microbiological research and practical applications. These cultures ensure genetic and physiological uniformity, allowing researchers to study microbial traits under controlled conditions.Isolation and Maintenance of Pure CulturesObtaining a pure culture involves isolating a single microbial type from a mixed sample through techniques such as serial dilutions, streak...