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Applications of Water-Soluble Dietary Fiber in Diverse Food Industries


As a new type of dietary fiber and thickener, bulking agent, formulation aid, filler, etc., water-soluble dietary fiber is mainly used in low-energy, high-fiber and other functional foods. In low-energy foods, water-soluble dietary fiber can partially or completely replace sugar and fat, which can reduce the energy of the food while maintaining the original flavor and texture of the food and bring a satisfying taste. In addition to health care products, water-soluble dietary fiber is widely used in beverages, dairy products, candy, bakery and other food fields due to its good solubility, stability, and smooth taste.

infant food

1. Application in infant food

Infants and young children, especially after weaning, have a sharp decrease in bifidobacteria, which leads to diarrhea, anorexia, growth retardation, and reduced utilization of nutrients. Eating water-soluble dietary fiber foods can improve the utilization rate of nutrients and promote the absorption of trace elements such as calcium, iron, and zinc.


2. Application in candy

In the future, the development of the candy industry will gradually tend to be low-sugar, low-fat, and develop in the direction of both deliciousness and nutrition. In developed countries, the market share of low-energy candy has increased year by year, showing its strong momentum of monopolizing the entire candy market. As a major low-energy food ingredient, water-soluble dietary fiber is very useful in the confectionery market.

Water-soluble dietary fiber (Polydextrose) can be used in all confectionery formulations to replace glucose syrup, and can be used with other alternative sweeteners to replace sucrose.

Sports food

3. Sports food

Dietary fiber has high water holding capacity, small relative volume, and large volume after absorbing water, which has a volume effect on the intestinal tract and produces a feeling of satiety. In addition, after ingesting dietary fiber, it can reduce blood sugar levels, thereby achieving sustained energy release. , Based on these two characteristics, sports food is made and eaten before and after fitness or sports.

meat products

4. Application of water-soluble dietary fiber in meat products

Adding water-soluble dietary fiber to meat products, dietary fiber and protein interact with salt and hydrophobic bonds to form a thermostable gel, and the complex formed by the interaction of soluble dietary fiber and protein is a new type of gel. In addition, dietary fiber can also absorb aroma substances and prevent the volatilization of aroma substances. In addition, dietary fiber is also an excellent fat substitute, which can produce ham sausage with high protein, high dietary fiber, low fat, low salt, and low calorie with health functions.

flour products

5. Application of water-soluble dietary fiber in flour products

(1) Application in bread, steamed bread, rice, noodles

Bread has become a world-wide mass food, with great sales. In Europe and the United States, dietary fiber is added to most breads to varying degrees. Some studies have shown that adding different types of dietary fiber can also increase and improve the color of bread. Dietary fiber is added to steamed bread, and the general addition amount is 3% to 6% of flour. Adding dietary fiber can strengthen the dough strength, and the steamed bread has a good taste and a special fragrance.

Adding to the rice also has a good taste of fluffy and fragrant, and the general addition of dietary fiber to these two staple foods will benefit the health of the general public. Add dietary fiber to noodles, generally the appropriate amount is 3% to 6%. However, different types of fibers have different effects. Some of them weaken the strength of raw noodles after being added, but they can increase in strength after being cooked. Generally, the noodles after adding treatment have good toughness and are resistant to cooking and foaming. The key to adding technology to noodles is to master the added amount and different types of dietary fiber.

(2) Application in biscuits and pastries

 Biscuit baking has very low requirements on the quality of flour and gluten, and it is also convenient to add dietary fiber in a large proportion, so it is conducive to making a variety of health-care biscuits with fiber functions as the mainstay. The pastry contains a lot of water in the production, and it will solidify into a soft product when baking, which affects the quality. The addition of water-soluble dietary fiber to cakes can keep the product soft and moist, increase the shelf life and prolong the shelf life.

Frozen food

6. Frozen food

Increase the product’s agglomeration and water retention. Adding method: According to about 1% of the total amount of trapped material, add water 3-5 times the weight of dietary fiber, and stir evenly with the trapped material.

sauce products

7. In sauce products

Good water absorption and water retention, increase the juice viscosity of the product, improve the sensory properties, uniform and non-layered.


8. Application in Beverages

Dietary fiber beverages are very popular functional beverages in the West. It can not only quench thirst, add water, but also provide dietary fiber needed by the human body. Such products, especially water-soluble dietary fibers, are popular in developed countries such as Europe, America and Japan. For example, the dietary fiber-containing mineral water produced by Japan’s Coca-Cola Company is popular in Japan; in addition, high-fiber orange juice and high-fiber tea are also common in Western European countries and the United States; at present, domestic Huiyuan Company has developed and produced high-fiber juice, Beijing Sanyuan Dairy Co., Ltd. Launched high-fiber milk.

Long-term drinking can make the intestines comfortable, prevent constipation, lower cholesterol, regulate blood lipids and blood sugar, and help lose weight. It is especially suitable for middle-aged and elderly people, diabetic patients and obese people. Applied in beverages, the characteristics are as follows: A. Drinking beverages with added water-soluble dietary fiber can enable drinkers to absorb various nutrients, enhance satiety, reduce the intake of caloric substances, and long-term drinking can significantly help control Weight loss, especially suitable for young and middle-aged obese people; B. After using water-soluble dietary fiber in the beverage, other particles in the beverage can be evenly distributed in the solution, and it is not easy to cause precipitation and stratification.


9. Application in dairy

(1) Application of water-soluble dietary fiber in milk powder

Water-soluble dietary fiber is more suitable to be added to milk powder to produce infant formula milk powder and milk powder for middle-aged and elderly people. Infants and middle-aged and elderly people have poor digestive tract function and are prone to calcium deficiency. Water-soluble dietary fiber not only has the effect of laxative, but also has the functions of lowering blood fat, lowering blood sugar, and promoting the absorption of mineral elements. The amount of water-soluble dietary fiber added in the water-soluble dietary fiber milk powder is 5% to 10%. The addition method is that the water-soluble dietary fiber is added before the milk concentrate is homogenized, and other processes remain unchanged; or the milk is directly added and mixed after powdering. Stir well.

(2) Application of water-soluble dietary fiber in fermented yogurt

Yogurt is one of the fastest growing dairy products and one of the most popular dairy beverages in healthy dairy on the go. High-fiber yogurt products have become very popular in recent years. The formula design of high-fiber yogurt products is: high-quality fresh milk 80%, whole milk powder 3%, fructose syrup (71%) 3%, sucrose 2%, water 10%, water soluble Dietary fiber 6%, starter 2.5%, stabilizer 0.2%.​​

(3) Application of water-soluble dietary fiber in flavored milk beverages

Flavored milk beverages have appeared in the domestic and foreign markets for many years. In addition to having a milky flavor, it also has a fruity flavor. The fusion of the two flavors makes the flavored milk beverages unique in flavor and has a certain amount of nutrition. Popular with consumers, especially by children and young women. Adding water-soluble dietary fiber to flavored milk beverages can greatly increase the nutritional and health care functions of milk beverages.

The formula design (taking chocolate flavored milk drink as an example) is: raw milk (milk powder) 80%-90% (9%-12%), fructose syrup (71%) 6%-8%, sucrose 4%-6% %, water-soluble dietary fiber 6% to 8%, cocoa powder 1% to 2%, stabilizer 0.2%, appropriate amount of vanillin, appropriate amount of flavor, and appropriate amount of pigment.​​

(4) Application of water-soluble dietary fiber in lactic acid bacteria beverages

Lactic acid bacteria beverages, also known as fermented acidic milk-containing beverages, usually use milk or milk powder, vegetable protein milk (powder), fruit and vegetable juice, sugar as raw materials, with or without food additives and auxiliary materials, after sterilization, cooling, and inoculation with lactic acid bacteria. A starter is an active (non-sterilized) or inactive (sterilized) beverage made by fermenting it in culture and then diluting it. Although the active bacteria drink contains a certain amount of beneficial bacteria, there are few beneficial bacteria left after passing through the human digestive tract, and its nutritional and health care functions are greatly reduced. The nutritional and health functions of non-active bacterial beverages are extremely limited.

How to improve the nutritional and functional components of lactic acid bacteria beverages is a difficult problem for every milk beverage manufacturer. Water-soluble dietary fiber has provided a good choice for the majority of milk beverage manufacturers with its superior health effects and brought new hope.​​

Formula design: yogurt 30%, high fructose syrup (71%) 8%, sucrose 2%, soluble dietary fiber 6%, pectin 0.4%, fruit juice (6%) 45%, lactic acid 0.1%, Flavor 0 . 1%, water 47.4%.

health food

10. Application of water-soluble dietary fiber in health food

(1) Application in health food for diabetics

Diabetes mellitus is a disease caused by absolute or relative insufficiency of insulin, manifested as a metabolic disorder of carbohydrates, fats, proteins, water and electrolytes. Water-soluble dietary fiber can delay gastric emptying and form a mucosa in the gastrointestinal tract, which slows down the digestion and absorption of food nutrients. In this way, the sugar in the blood can only increase slowly, or the insulin is slightly insufficient, and the blood sugar concentration will not increase immediately.

At the same time, water-soluble dietary fiber also has the effect of inhibiting the secretion of blood glucose. The study showed that: after adding dietary fiber to the diet, fasting blood glucose decreased from (9.84 ± 3.51) mmol/L to (6.82 ± 2.65) mmol/L, and 2h postprandial blood glucose decreased from (1 3. 08±5.12) mmol/L decreased to 10.57±4.64 mmol/L, all P<0.01. Developed products such as: water-soluble dietary fiber soft capsules, fructan syrup, etc.

(2) Application of health food in constipation population

Water-soluble dietary fiber is currently widely used as a health food for regulating micro-ecological balance and relaxing bowels. After being taken, water-soluble dietary fiber promotes beneficial bacteria such as intestinal bifidobacteria and lactobacilli, and produces a large amount of short-chain fatty acids, such as Acetic acid, acetic acid, folic acid and lactic acid change the pH of the intestinal tract and improve the breeding environment of beneficial bacteria, thereby speeding up the peristalsis of the intestinal tract and making the feces smoothly excreted.


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