Representative Sampling in the Packaging of Nut Butters
Various co-packaging companies provide distributors with multiple types of nut butter products from one processing plant, including items like smooth and chunky peanut butters to almond butters and organic products.
Contamination Risks in Packaging Nut Butters
The co-packer is responsible for ensuring that each of their customers' recipes meets specific requirements. What's more, co-packers must ensure they're producing a consistent, high-quality product. However, this can be difficult, as process equipment is often prone to contamination:- From new process equipment
- Ingress from environmental sources or foreign material introduced to the equipment during maintenance
- Internal contamination from moving parts within equipment
- Cross-contamination is when one product comes into contact with another product during processing
Current Sampling Protocols Are Insufficient
Most nut butter producers use a "grab-style" procedure. This is where an operator takes a jar off the production line or collects finished, unpackaged product in a container as it's being packaged into bulk containers before sending it for sampling analysis.However, grabbing a single jar from a pallet of 1,000 (or more) jars isn't an exact representation of that entire lot. Collecting a sample in a container is also risky. The operator takes a single snapshot of a large amount of product, which could fail to identify contamination in the lot or a deviation from the required recipe.
Automatic Sampling Delivers Quality and Consistency
Today's co-packers need a reliable method to produce representative and composite samples effectively by consistently collecting small amounts from a product stream on a timed basis. This approach contains a sample from every jar or package, ensuring a consistent, accurate, and representative sampling program.Some nut butter co-packers have adopted the N-60 sampling method, considered the gold standard for obtaining a lot or batch representative sample. Some samplers help co-packers replicate this sampling method and produce 60 samples per lot or batch.
Other plants choose to follow the FDA's Bacterial Analytic Manual where microbiological analysis is needed. This document highlights the need for a clean, sanitary device to collect and package representative samples. However, it is often up to the manufacturer to prove how they are meeting these requirements.
To meet the requirements of N-60 or the Bacterial Analytic Manual, automatic samplers help co-packers:
- Meet sanitary standards
- Prevent introducing operator bias to the process
- Adapt to current methods based on size and connection style
- Prevent internally generated contamination with FDA-approved O-rings and sterile collection bags/jars
- Prevent microbial growth within the equipment
- Regularly clean and maintain equipment with an easy-to-disassemble and reassemble design
- Automate sampling to reduce interruption and free up personnel for other tasks
- Meet a variety of centipoise (cP) measurements to work with the natural variance of viscosity in nut butters
Contact us on our online contact form for more information.
Written by Sentry Equipment
With proven sampling expertise since 1924, Sentry products and services provide business operations the critical insights to optimize process control and product quality. We deliver true representative sampling and analysis techniques to customers around the globe, empowering them to accurately monitor and measure processes for improved production efficiency, output and safety. Standing behind our commitments, we are determined to tackle any application, anywhere.
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