Research Progress Review on the Activation of Bioactive Substances by Targeted Fermentation of Rice Bran

Area of Science:

• Agricultural Science
• Biotechnology
• Nutritional Science

Background:

• Rice bran is rich in bioactive compounds but has poor bioavailability.
• Conventional extraction methods have limitations in releasing these compounds.
• Microbial fermentation offers a promising approach to enhance rice bran's nutritional value.

Purpose of the Study:

• To explore microbial fermentation as a method for improving rice bran's functional properties.
• To identify optimal fermentation conditions for maximizing bioactive compound release.
• To establish a scientific basis for industrial-scale production of functional rice bran ingredients.

Main Methods:

• Targeted microbial fermentation of rice bran.
• Analysis of changes in bioactive compound content and structure.
• Evaluation of antioxidant, anti-inflammatory, and metabolic regulatory effects.

Main Results:

• Fermentation significantly increased the release of phenolic compounds, flavonoids, and dietary fibre derivatives.
• Enhanced antioxidant, anti-inflammatory, and metabolic regulatory activities were observed.
• Fermentation improved the bioavailability of essential nutrients.

Conclusions:

• Microbial fermentation is an effective bioprocess for valorizing rice bran into high-value functional ingredients.
• Optimized fermentation can overcome limitations of conventional extraction methods.
• This approach lays the foundation for developing sustainable functional foods and nutraceuticals.