Microbiological Sampling
Brewing Microbiology 101
This module is part of the Brewery Microbiology programme and can be taken individually or as part of the full course.
On-demand, self-paced learning
4 structured lessons
Designed for Quality and Technical teams
Suitable for Breweries of all Sizes
Microbiological sampling is the foundation of any effective brewery microbiology programme.
Without reliable sampling, even the best laboratory methods cannot detect contamination risks.
Microorganisms in breweries are rarely evenly distributed. They can exist in very low numbers, hide within biofilms, or appear intermittently over time. Because of this, where you sample, how samples are collected, and how often testing occurs all strongly influence whether contamination is detected.
Poor sampling design can create a false sense of security, while strategic sampling increases the likelihood of detecting issues early and before they affect product quality.
This module introduces the principles of effective microbiological sampling, including aseptic technique, sample handling, sampling strategy, and the design of practical sampling plans that improve contamination detection and support brewery quality control.
You’ll learn how to:
- Design microbiological sampling strategies that increase the likelihood of detecting contamination
- Identify high-risk sampling locations, including areas where biofilms may develop
- Understand why microbial results fluctuate and how sample size and timing influence detection
- Build practical sampling plans that balance risk, reliability, and operational constraints
Module Content
Section 1
Microbiological Sampling
This section explains why microbiological sampling is essential for detecting contamination risks in breweries. You’ll learn about the different types of samples collected in brewing environments, the challenges associated with microbiological detection, and the importance of proper sampling methods, aseptic technique, and correct sample handling to ensure reliable results.
Section 2
Sample location
This section explores how sampling location and strategy influence the likelihood of detecting contamination. You’ll learn why microorganisms are not evenly distributed, how biofilms form and evade detection, and why strategic sampling is necessary to identify hidden contamination risks, particularly in high-risk areas such as packaging environments.
Section 3
Sampling Plans
This section explains why sample validity, timing, and selection are critical to obtaining reliable microbiological results. You’ll learn what makes a sample representative, how random and event-based sampling differ, and why testing timing influences the microorganisms detected.
The section also explores the role of indicator organisms as early warning signals, how chemical markers can support microbiological testing, and the limitations of microbiological methods. Together, these principles reinforce why strong sampling design is the foundation of effective brewery microbiology.
Section 4
Sample Validity, Randomness & Timing
Understanding where contamination originates is key to preventing it. This section examines the common contamination pathways within breweries, including raw materials, equipment surfaces, water systems, air exposure, and personnel handling. It highlights how microbes can move through the brewing process and why identifying contamination sources is essential for effective hygiene management.
Who Is This Module Designed For?
This module is designed for professionals working in brewing and beverage production who want to strengthen their understanding of brewery hygiene and contamination control.
- Brewers and brewing assistants
- Quality assurance teams
- Microbiology and laboratory staff
- Production and packaging teams
- Brewery managers and supervisors
- Technical and process specialists
Whether you are new to brewery microbiology or looking to reinforce best practices, this module provides practical knowledge to help maintain consistent hygiene standards and protect beer quality.
Choose Your Plan
Module Only
Access for 90 Days-
Full module access
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Self-paced learning
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Progress tracking
Full Course
Access for 180 Days-
Includes this module
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Access to full course
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Certificate of Completion
Frequently asked questions
How long do I have access?
Access depends on the option you choose.
Module access includes 90 days from the date of purchase.
Full programme access includes 180 days from the date of purchase.
Nexus All-Access subscription provides unlimited access to all content for as long as your subscription remains active.
You can view your remaining access time at any point in your dashboard.
Can I upgrade to the full course?
Yes.
If you begin with an individual module and later decide to complete the full programme, you can upgrade at any time.
Please contact our team before purchasing the full programme so we can ensure you are charged the correct upgrade amount.
Is this included in subscription?
Yes.
All modules and full programmes are included within the Nexus All-Access subscription while your subscription is active.
This includes future module releases and newly added programmes.
Do you offer corporate licensing?
Yes.
We offer tailored corporate licensing options for teams and multi-site organisations.
Corporate packages can include:
Multi-user access
Team progress tracking
Centralised billing
Custom training pathways
Please contact us to discuss your organisation’s requirements.
Do you provide company invoices?
Yes.
You can request a company invoice at checkout, or contact us directly if you require a formal invoice prior to payment.
VAT invoices are provided automatically for all purchases where applicable.