Market Insight

Measuring moisture in cereal and grain-based products

Water activity-based moisture measurements offer excellent precision for improved monitoring and tighter process control.  

Why measure water activity in low moisture products? Because even when microbial growth is not an issue, many processing problems are related to moisture. Water activity can be significantly more precise than moisture content when monitoring and controlling moisture in your product.  

Deliver the right texture, every time

The right texture can make or break a breakfast cereal, literally.  Water activity helps manufacturers know when loss of texture may become a problem for their product.  This is especially true for products that have more than one component, like raisin bran.  Water activity will predict which components will gain and lose water and whether the final water activity will deliver the correct texture.  

Vitamin verification made easy

Cereals and grains, especially whole grain products, are often billed as โ€œhealthyโ€.  In addition to being a good source of dietary fiber, whole grains contain an array of B vitamins, which can degrade as products sit in a warehouse for months before getting to the store shelf.  Water activity is a better predictor of vitamin degradation than moisture content.  

Water Activity 101: Master the basics

Get the essentials of water activity condensed in this 20 minute webinar. Youโ€™ll learn:

-What water activity is
-How itโ€™s different from moisture content
-Why it controls microbial growth
-How understanding water activity can help you control moisture in your product.

Related Products

AQUALAB 3

Lightning-fast total moisture analysis to tighten process control and boost quality. Combine moisture content and water activity in one device.

  • MC + aw in one
  • Results in 60 seconds
  • For the lab or the line

AQUALAB TDL 2

Precise aw readings in minutes โ€” even on volatile samples that cripple other instruments.

  • Near-invincible laser sensor
  • Read highly volatile substances
  • Accurate to ยฑ0.005 aw

AQUALAB VSA

Make detailed moisture maps to predict, understand, and control moistureโ€™s effects. High-resolution moisture sorption isotherms for shelf life prediction.

  • Isotherms in <48 hours
  • 200+ data points / isotherm
  • 5 min. test setup

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