Effect of blue light whiteness on food production

I. Relationship Between Blue-Light Whiteness and Grain Processing Quality

‌Processing Precision Evaluation‌

The blue-light whiteness value (Wb) directly reflects the content of impurities (such as bran specks and black specks) in grains. A higher value generally indicates finer processing and better product appearance quality.

Low blue-light whiteness (e.g., high bran content) may lead to dull flour color, affecting the sensory acceptance of food products like bread and biscuits.

‌Microbial Control‌

Blue-light treatment technology (e.g., LED blue light) can effectively inhibit microorganisms (such as E. coli and Bacillus cereus) in wheat flour, reducing the risk of mold growth and indirectly ensuring whiteness stability.

II. Measurement and Application of Blue-Light Whiteness

‌Detection Methods‌

Specialized instruments (such as bran analyzers and whiteness meters) simulate D65 illuminant light sources to measure the blue-light diffuse reflectance factor (r457), with a precision of ±0.1.

‌Optimization Directions‌

Adjusting processing techniques (e.g., grinding granularity, sieving efficiency) or using peeling technology can improve the blue-light whiteness value.

III. Other Associated Factors

‌Light Quality Impact‌: Blue light (420-470 nm) promotes root development in plant growth but may inhibit photosynthesis when excessive.

‌Storage Lighting Management‌: Avoiding UV exposure can reduce lipid oxidation and pigment degradation in grains, indirectly maintaining whiteness.

ST001AB Smart Whiteness Tester‌ is a newly designed and developed next-generation intelligent whiteness meter by our company. Integrating and pioneering multiple cutting-edge domestic technologies, it delivers superior performance at a lower cost, distinguishing itself from numerous competitors.

This instrument is a professional device for measuring the ‌blue-light whiteness (Wb)‌ of various powdered materials, including ‌flour, starch, grain additives‌, and more. It is widely applicable in ‌grain processing, quality inspection‌, and other whiteness measurement scenarios. Additionally, it serves industries such as ‌chemicals, textile dyeing and printing, and building ceramics‌ for determining the whiteness of raw materials and finished products.