Abstract
Color assessment of animal source foods was investigated using a computer vision system (CVS) and a traditional colorimeter. With the same measurement conditions, color readings varied between these two approaches. The color measured by CVS was highly similar to the actual color of animal source foods, and ranged from 75.0%-100.0% of actual colors, whereas colors read by a Minolta colorimeter showed non-typical appearances. The CVS-obtained colors were more similar to the color of food visualized on the monitor, compared to colorimeter-generated color chips. Considering these results, it could be concluded that the CVS is a superior alternative for replacing traditional devices by providing better accuracy.
Highlights
Animal source foods provide numerous essential compounds in human nutrition [1,2,3]
The color measured by computer vision system (CVS) was highly similar to the actual color of animal source foods, and ranged from 75.0%-100.0% of actual colors, whereas colors read by a Minolta colorimeter showed non-typical appearances
Meat and meat products Instrumental color data (L*a*b*, hue and chroma) for meat and meat products were significantly different when collected by two methods (CVS and colorimeter) [18,19,20,21]
Summary
Animal source foods provide numerous essential compounds in human nutrition [1,2,3]. Regardless, color is still the most significant sensory attribute when it comes to consumers’ food decisions [4]. As far as meat color is considered, darker color is less preferred by customers, who connected it with a lack of quality [6] This physical attribute can be a measure of some imperfection in milk, such as adulteration [7] or spoilage [8] and can indicate long-term storage conditions [9]. The colorimeter has numerous drawbacks regarding inability to capture broad spectral information related to internal characteristics of subjects [14] and a requirement for subjects with homogenous color [15] These color devices require homogeneous and uniform samples to achieve consistent analysis [16].
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