Start with a representative food
The sample should reflect the formulation and processing used for the product being labeled. Describe preparation such as dilution, cooking or reconstitution where it changes the intended reporting basis.
Define the analytical scope
Protein, fat, moisture and ash are part of proximate analysis. Sugars, dietary fiber, minerals and other label-relevant measurements may need separate consideration. The appropriate combination depends on the food and the information required.
Keep serving and concentration separate
Results per 100 g, per 100 mL and per serving are different ways of expressing information. Record the product density or serving mass when needed rather than treating volume and mass as interchangeable.
Keep label review distinct
Analytical values support label work; they do not on their own resolve every labeling requirement or claim. Identify which facts are measured, which are calculated and which need a separate label review.
Related testing & guidance
Technical & service references
Vanguard service detailsSource review: November 8, 2026. The agreed method and project scope govern the testing.