Posted on January 2, 2017
Carrageenan is not an ingredient that pops up on most consumers’ radars when they check labels, yet it’s responsible for improving the texture and appearance of many of the food products they consume daily. Extracted from an edible red seaweed and converted into powdered form, this natural derivative is added to a variety of foods, from dairy products and beverages to processed meats1. And though carrageenan powder is white in appearance, it often remains undetectable thanks to carrageenan color analysis and instrumental quality control.
Measuring Color to Increase Visual Appeal
Texture and appearance go hand in hand when it comes to the marketability and visual appeal of foods. The creaminess of my favorite ice cream brand relies on carrageenan to create this texture—but visual color and consistency can also be altered by the additive. However, because the white appearance of carrageenan in powdered form2 can change the color outcome of many products, carrageenan color analysis is a priority for manufacturers hoping to maintain consistency.
In fact, color measurement of the raw additive plus final color outcome monitoring are both necessary for ensuring the visual appeal of finished food products. Measuring the lightness value of carrageenan with advanced color measurement tools provides you with the data necessary to set color tolerances and formulate necessary changes throughout production. Understanding these light values and developing a color tolerance method that utilizes a CIELAB measurement system are the first steps toward developing a replicable product.
Understanding Your Color Measurement Instrumentation
Spectrophotometers provide the most advanced level of color measurement and are now an embedded part of food production and quality control. The many features they offer can be overwhelming, but knowing what measurements are important and how to calibrate your instrumentation will save both time and money.
When measuring carrageenan, it is important to focus on light value measurements, or *L values, given the effect that the additive’s white appearance can have on the final color outcome of your product. Quantifying the light value of raw carrageenan powder allows color formulations to be set and altered to meet color tolerance standards.
But since light values can change from batch to batch, continual color monitoring is necessary to produce the outcome that you want. Studies show that consumers rely on color consistency to judge the quality and reliability of their purchases, which means that even slight changes can sway their buying choices and have a negative effect on their perception of your brand’s quality.
Spectrophotometers offer continuous color monitoring capabilities that provide the data necessary for making formulation changes throughout production, resulting in consistent color every time.
Making the Most of Your Color Measurement Tool
Spectrophotometers are available in a variety of styles and models. Each is designed to meet specific industry standards, and many offer the versatility to measure a variety of sample sizes and textures. Although the instrumentation itself is highly advanced, each product is designed for ease of use and allows for the simple quantification of color values.
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