Extracting Nutrients from Rice Bran
Author Information
Author(s): Rebecca Schramm, Alicia Abadie, Na Hua, Zhimin Xu, Marybeth Lima
Primary Institution: Louisiana State University
Hypothesis
Rice bran fractionation can be used to obtain targeted, nutrient-rich bran samples for value-added processing.
Conclusion
Rice bran fractionation allows for the selective use of portions of the bran layer, leading to higher concentrations of valuable nutrients.
Supporting Evidence
- The highest concentrations of oryzanol and protein are found in the outer portion of the rice bran layer.
- Rice bran saccharide concentration is highest in the inner portion of the bran layer.
- Vitamin E concentration is highest at the 10-second milling time.
- Shorter milling times correlate with higher concentrations of protein.
- Rice bran fractionation can lead to more efficient processing of high-value components.
Takeaway
This study shows that different parts of rice bran have different nutrients, and we can process them separately to get more of what we want.
Methodology
Two rice varieties were milled at different times, and the bran fractions were analyzed for vitamin E, oryzanol, protein, and rice bran saccharide concentrations.
Limitations
The study was conducted at a laboratory scale, which may not directly translate to industrial applications.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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