Analyzing and Controlling Oxygen Concentrations in Food and Beverages

Oxygen Concentrations in Food and Beverages

Image credit: Analytical Industries Inc.

In Breweries

Monitoring and controlling of oxygen level in a meticulous manner is crucial during the brewing process. In some stages of the brewing process, the presence of oxygen is unfavorable, while for certain other processes, controlled levels of oxygen are essential.

For instance, oxygen impacts brewing productivity: yeast requires approximately 10–12 ppm oxygen to flourish. But, excess oxygen causes oxidative formation and degradation of flavors.

It is vital to maintain oxygen at the preferred low levels during beer production and track the O2 with an O2 analyzer. This ensures maximum quality of the end product is maintained.

Bottling Process Control

Application/Service Measurement Gas Stream Suggested Analyzer
Carbonation in bottling process 0-1% O2 CO2 GPR-2600

 

CO2 Cylinder Quality

Application/Service Measurement Gas Stream Suggested Analyzer
Quality control of CO2 cylinders used in beverage dispensing 0-10 ppm O2 CO2 GPR-1600
GPR-1200

 

CO2 Injection in Fermentors

Application/Service Measurement Gas Stream Suggested Analyzer
Quality of the carbon dioxide injected into fermentation process 0-10 ppm O2 CO2 GPR-1600
GPR-1200

 

CO2 Quality from Tankers

Application/Service Measurement Gas Stream Suggested Analyzer
Quality control of CO2 delivery tankers 0-10 ppm O2 CO2 GPR-1600
GPR-1200

 

Condition Control of Fermentors

Application/Service Measurement Gas Stream Suggested Analyzer
Off-line fermentors 0-10 ppm O2 CO2 GPR-1600
GPR-1200

 

Head Space Monitoring

Application/Service Measurement Gas Stream Suggested Analyzer
Head space monitoring of wood barrels 0-10 ppm O2 CO2 GPR-1600
GPR-1200

 

Personnel Protection

Application/Service Measurement Gas Stream Suggested Analyzer
Monitoring of oxygen deficiency and CO2 levels must also be independently measured. 19.5% O2 CO2, Air GPR-35

 

Process Control in Fermentors

Application/Service Measurement Gas Stream Suggested Analyzer
Head space monitoring of fermentors, brew tanks and storage tanks 0-10 ppm O2 CO2 GPR-1600
GPR-1200

 

Oxygen Analyzers and Sensors to Monitor Protective Atmospheres for Food Packaging and Production

Oxygen Analyzers and Sensors

Image credit: Analytical Industries Inc.

Oxygen in the air surrounding drinks and food reacts easily with the items causing oxidation that will alter the color and flavor, or accelerate the rotting process of the items. To decelerate the degradation process, food items are stored and packed in a protective atmosphere where levels of oxygen are low. Carbon dioxide or nitrogen is used to blanket the space around food, which will help to stabilize the food and prolong the shelf life.

Analytical Industries oxygen analyzers are repeatedly used to measure the quality of the blanketing gas in the packaging processes.

Control of LEL in Biogas

Application/Service Measurement Gas Stream Suggested Analyzer
Oxygen measurement to protect personnel and equipment from explosive hazard due to methane resulting from decomposition of bio-ponds. 0 to 5% O2 N2 or CO2 GPR-2800 AIS

 

Fish Farming

Application/Service Measurement Gas Stream Suggested Analyzer
Oxygen purity measurement during injection of pure oxygen into fish ponds to expedite fish growth. 0 to 100% O2 O2 GPR-2900

 

Meat Production — Slaughter Houses

Application/Service Measurement Gas Stream Suggested Analyzer
Measurement of low level of oxygen in carbon dioxide background gas during the stunning process for pigs and poultry. 0 to 1% O2 Varies GPR-1900
GPR-2900

 

Packaging Process Control

Application/Service Measurement Gas Stream Suggested Analyzer
Food packaging: Monitoring oxygen during food packaging process at modified atmosphere packaging. (MAP) 0 to 5% O2 N2 or CO2 GPR-2500
GPR-2000

 

Powder Filling Processes

Application/Service Measurement Gas Stream Suggested Analyzer
Coffee, milk, and other powders are typically filled under an N2 blanket for safety and product quality. 0 to 1% O2 N2 GPR-1900
GPR-2900

 

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This information has been sourced, reviewed and adapted from materials provided by Analytical Industries Inc.

For more information on this source, please visit Analytical Industries Inc.

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