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Formulation solution

Sugar Reduction

Sugar was doing five jobs. Sweetener replaces one of them.

By Priya Raman, Product Developer3 min read

Why do reduced-sugar products taste thin?

Sugar was never only sweetness. It was body, bulk, browning and shelf life. Replace the sweetness alone and you get the thin, sharp taste most reduced-sugar products have.

The reason so many reduced-sugar reformulations disappoint is a category error. Sugar gets treated as the sweetness ingredient, so it gets replaced with a sweetness ingredient. But in a 10% sugar drink, sugar is also most of what is dissolved in there — and in a baked product it is structural.

What you actually removed

What sugar was doingWhat replaces it
SweetnessHigh-intensity or bulk sweeteners
Body and mouthfeelSoluble fiber, allulose, gums, modifiers
Bulk and structurePolyols, fiber, allulose, or a redesign
Browning and cooked flavorKeep some reducing sugars, or add flavor
Shelf stabilityHumectants, or a change to process or packaging

In drinks the first two dominate. In baking and confectionery all five are in play, which is why drinks reformulations succeed more often.

The order to work in

1. Decide how far you are actually going. A 30% reduction is usually achievable without much compromise. A 70% reduction is a different product and should be developed as one, not as a line extension.

2. Build the sweetener as a blend. Single high-intensity sweeteners all have timing faults — slow to arrive, slow to leave, or both. Blends smooth that out, and each component sits at a lower, less noticeable level.

3. Fix the body before you tune the sweetness. This is the step people skip. Adding fiber, allulose or a mouthfeel ingredient changes how sweet the product tastes — so if you tune sweetness first, you will tune it twice.

4. Rebalance the acid. Sugar masks sourness. Take it out and the same acid tastes sharper. Reduced-sugar drinks almost always need less acid than the full-sugar version, which is counter-intuitive and easy to miss.

5. Revisit the flavor. Sugar carries flavor and smooths harsh edges. The same flavor at the same level will taste different in the reduced version — usually harsher and shorter. Expect to change the level, and be ready to change the flavor itself.

Baking and confectionery are harder

In a cake, sugar is tenderizing, holding water, building the crumb and browning the crust. In a hard candy, sugar is the glass. In a gummy it is controlling water activity and therefore shelf life.

Polyols — maltitol, isomalt, erythritol — replace the bulk, which is why they dominate sugar-free confectionery. Each brings something with it: erythritol has a strong cooling effect, maltitol has a laxative threshold, isomalt is less sweet and needs help.

There is no drop-in replacement. A sugar-free confectionery product is a ground-up development.

Taste a whole portion

Sips and single bites flatter reduced-sugar products. The faults — lingering sweetener, thin body, sharp acid — build up over a serving.

Taste a full portion, at the temperature people will eat it, ideally more than once. A product people enjoy the first time and do not buy again has usually passed a sip test.

Coverage

Related guides and articles

ApplicationsBeveragesSodaBakeryConfectioneryYogurtFunctional Beverages
FormulationSugar ReductionStevia AftertasteFlavor EnhancementBitterness Masking