Galacto-oligosaccharides

Galacto-oligosaccharides are composed of chain-linked plant sugars. They occur naturally in dairy products, legumes, and certain root vegetables. People use galacto-oligosaccharides as prebiotics. Prebiotics act as food for the “good” bacteria in the gut.

Do not confuse prebiotics with probiotics such as lactobacilli, bifidobacteria and yeasts, which are living organisms that have health benefits. In foods, galacto-oligosaccharides are used as sweeteners.

Galacto-oligosaccharides Function

• Enhance human intestinal immunity
• Promote human intestinal peristalsis
• Prevent dental caries
• Control weight
• Prevent constipation
• Protect the liver and improve the absorption of mineral elements

Galacto-oligosaccharides Application

Galacto-oligosaccharides have many advantages that other sugars cannot match, and are currently used as prebiotic ingredients in dairy products, baked goods, confectionary processing and functional foods. It will also be used in special medical food and green feed in the future.

• Dairy products

Currently, the only prebiotics allowed in infant formula are fructo-oligosaccharides and galacto-oligosaccharides. This shows the high functionality and safety of galacto-oligosaccharides from the side.

In my country, the main application field of galacto-oligosaccharides is infant formula milk powder. As an essential nutritional fortifier during the growth and development of infants, it is allowed to be used in infant formula food, older infant formula food, and infant cereal supplementary food.

• Nutritional health products

GOS has a wide range of applications in the field of nutraceuticals. For example, on February 3, 2017, Synergy Dairy in Japan launched a milk drink called “Milkde Hydrogen”, which is a milk drink that can efficiently produce hydrogen in the intestinal tract.

Hydrogen can effectively remove active oxygen in the body. This product contains active ingredients such as galacto-oligosaccharides, maltitol and glucomannan. The results of the study found that the concentration of hydrogen gas in the intestinal flora of more than 90% of the people who used this product increased.

• Food ingredients

Galacto-oligosaccharides can be used as functional sweeteners in the field of food ingredients. For example, in lactic acid fermented foods, the number of lactic acid bacteria can be increased to shorten the fermentation cycle.

In baked goods, it can improve its flavor, texture and color, its nutritional value will not be lost when heated at high temperature, and it can reduce the occurrence of obesity due to its low energy and indigestibility. Adding it to ice cream can prevent lactose crystallization, improve product quality, extend shelf life, etc.

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