Deep dive into how dairy’s molecular architecture shapes digestion, health & processing impact.
A pivotal review in the Journal of Dairy Science emphasizes that dairy’s nutritional impact extends beyond its macronutrient profile—its physical structure, or “dairy matrix,” plays a vital role in how our bodies digest and absorb proteins, fats, and micronutrients.
From nano‑scale casein micelles to fat globules, the matrix is a complex network. According to Dr. David Everett and editor Grace Lewis, morphology influences digestion rates, nutrient bioavailability, and bioactive interactions across life stages.
Processing methods such as pasteurization, homogenization, acidification, and enzymatic coagulation reshape the dairy matrix. These changes alter how proteins and minerals are released and absorbed during digestion, offering functionality beyond mere nutritional content.
Physiologically, the matrix directs digestion timing: milk coagulates in the stomach—delaying protein breakdown and regulating amino acid delivery. Whole dairy matrices exhibit unique metabolic effects distinct from isolated components.
The review calls for deeper exploration of “structural nutrition”—linking molecular architecture with human health—toward optimizing dairy products for targeted nutrition, gut health, and life-stage requirements.
Source: Elsevier (Journal of Dairy Science special issue) – https://www.eurekalert.org/news-releases/1089357
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