water-activity

4 articles tagged water-activity

Paired ingredient swaps in macro — butter beside oil, sugar beside a sweetener.

Ingredient Substitution Science: Match Function, Not Weight

A practical, evidence-based method for replacing fats, sugars, and dairy ingredients without inventing precision that the formulation cannot support.

substitutionfatssugars

A filled chocolate cross-section showing a moisture front creeping from the centre.

Scientific Parameter • 10 min read

Moisture Migration: Water Activity, Fick's Law, and Packaging

Predict moisture movement by separating its water-activity driving force from diffusion rate, and compare packaging only with WVTR units and test conditions attached.

moisture-migrationwater-activityficks-law

A frost-dusted frozen aerated confection with fine sparkling sugar crystals.

Scientific Parameter • 9 min read

Trehalose: Properties, Uses, and Science in Confectionery

How a non-reducing disaccharide with the molecular weight of sucrose but under half its sweetness protects frozen, aerated, and freeze-dried confectionery.

trehalosedisaccharidesugar

Macro of a glossy dark ganache surface with a single water droplet.

Scientific Parameter • 11 min read

Water Activity in Ganache: The Science Behind Shelf Life Prediction

How the Formul.io Ganache Calculator estimates water activity from a formulation's sugar, polyol, and alcohol composition to predict microbial shelf life — and how to use those numbers responsibly.

water-activityganacheshelf-life

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