Functional characteristics of oat bran dietary fiber

May 28, 2024

01
Oat bran and its nutritional composition

Oat grains have a relatively soft texture, which prevents the bran from detaching from the endosperm during oat processing, resulting in a small amount of endosperm and bran remaining intact.
The yield is 30-40%, and the total dietary fiber content in bran is greater than 30%. Oat bran, as a byproduct of oat processing, although its composition varies due to many factors, its protein and water-soluble dietary fiber β - glucan content is abundant, accounting for approximately 11.33%.

Oat bran dietary fiber can be extracted from oat bran, and due to its high nutritional value, oat bran also has a good therapeutic effect.

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02
Functional characteristics of oat bran dietary fiber

1. Fermentation properties

Oat bran dietary fiber has the effect of moistening the intestines and promoting ventilation, producing short chain fatty acids, which have an impact on intestinal peristalsis and metabolism. The oat bran dietary fiber in the gastrointestinal tract undergoes fermentation to change the acidity and alkalinity of microorganisms in the intestinal environment, leading to the production of a large number of beneficial bacteria.

2. Water holding capacity and water swelling capacity

Oat bran dietary fiber has some functional characteristics in water retention, including the ability to retain moisture and absorb water and expand.
Wheat bran plays a crucial role in pasta, as the addition of oat dietary fiber increases the water absorption of the dough and saves the time it takes for the dough to wake up. Oat bran dietary fiber has the ability to absorb water and expand, making people feel less hungry. It can maintain the cleanliness of the gastrointestinal tract, which is extremely beneficial for intestinal patency, promoting intestinal peristalsis, reducing appetite and achieving weight loss goals, and reducing gastrointestinal infections and inflammation.

3. Reduce blood sugar

Harold proved in 1985 that adding dietary fiber of wheat bran into diet can improve diabetes and achieve considerable results. Oat bran dietary fiber has a promoting effect on the activity of enzymes in the second largest digestive gland of the human body. Zhao Naixin et al. found through some research that after taking oat bran dietary fiber, the blood indicators in the body undergo some changes, such as a blood sugar lowering efficiency of 89.8%, and a treatment rate of 100% for cholesterol and constipation.

4. Adsorption of toxic substances

When consuming dietary fiber from wheat bran, attention should be paid to the dosage to avoid improper intake, which may cause poor absorption of substances and nutrient absorption disorders in the gastrointestinal tract. Wheat bran dietary fiber can prevent damage to the human body by binding to heavy metals in the body.

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03
Executable standards

According to the provisions of QB/T 5028-2017 Grain Fiber:
Grain fiber: a type of food raw material made from grains or their fiber rich parts through processes such as crushing, separation, and drying.

Note: Grains and cereals such as wheat, oats, corn, etc

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2024-05-28

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