Valio’s researchers report the importance of ash-protein ratio in reduced sugar chocolate

'30 % less sugar' chocolate gives same taste and texture

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ash-protein ratio
Photo - Valio

Valio’s researchers discovered that ’30 % less sugar’ chocolate made with milk-based protein is equal to regular chocolate in taste and texture. The optimal ash-protein ratio in the reduced sugar chocolate was linked to pleasant taste and texture. This solution allows manufacturers to make delicious ’30 % less sugar’ chocolate without artificial sweeteners.

The current wellness trend means that consumers are looking for foods that support an active and healthy lifestyle. Yet, they want to enjoy eating and are reluctant to compromise on the taste, texture, or naturality of food. To reduce sugar consumption and the ill-effects of sugar, many countries have implemented sugar taxes.

“As a result of the wellness trend and sugar taxes, food and confectionery manufacturers are constantly looking for solutions to create tasty food products with reduced sugar content,” says Terhi Aaltonen, development manager and researcher at Valio.

Consumer acceptance is key in creating desirable and successful reduced-sugar products. Both the reformulation and sensory properties of the products need to be acceptable. Valio’s researchers produced an acceptable ’30 % less sugar’ chocolate by replacing sugar with a milk-based protein.

“The control chocolate contained a standard sugar level and the trial chocolates had total sugar levels that were reduced by 30%. Consumers rated the chocolate samples according to their overall liking, liking of taste and texture and the attributes sweetness, saltiness and sandiness,” Aaltonen explains.

The ash-protein ratio, or the amount of salt and protein, proved critical in achieving the best possible consistency in ’30 % less sugar’ chocolate. The ash-protein ratio had the strongest positive correlation with the overall liking and the liking of texture and taste. The ash-protein ratio had the strongest negative correlation with sandiness.

Valio’s research findings were published in a peer-reviewed article in the International Dairy Journal on February 7th, 2020.

Gut-friendly* sugar reduction with lactose-free milk powder

Sugar in chocolate is commonly reduced using either polyol, also known as sugar alcohols, or by adding fiber. Polyols can cause digestive discomfort if consumed in excess, and their use requires a warning label about laxative effects on product packaging.

“When the sugar reduction is achieved with Valio’s solution, that is lactose free milk powder, no such warning is necessary. It is possible to use the claim ‘reduced sugar’ as well as claim’ protein source’ on these chocolates,” says Aaltonen.

Active research fuels Valio’s innovations

Active research is at the core of Valio’s innovativeness and has been throughout the company’s history. The strong R&D heritage has resulted in a Nobel prize as well as hundreds of published research papers. Thanks to active research, Valio can bring new ingredients and ways of implementing them to help food manufacturers gain new business and to support consumers in making healthy food choices.

*Contains calcium, which contributes to the normal function of digestive enzymes as a part of a healthy diet

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