Enzymatically Treated Soluble Rice Flour for Maltodextrin Replacement
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Solution Overview
Problem
Consumers seek label-friendly alternatives to maltodextrin in food and beverage applications that maintain similar functionality.
Innovation Solution
Development of soluble rice flour compositions with specific chemical properties, including a carbohydrate content of 80-95 wt%, protein content of 2-10 wt%, fat content less than 3 wt%, and insoluble fiber content less than 3 wt%, achieved through enzymatic treatment with alpha-amylase and protease enzymes, followed by filtration, to enhance solubility and viscosity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If maltodextrin is used in food and beverage applications, then functionality such as solubility and viscosity is achieved, but label-friendliness is compromised
Solution Approach 1:
The patent applies parameter changes by modifying the chemical composition parameters of rice flour through controlled enzymatic hydrolysis. By adjusting the degree of hydrolysis and enzyme treatment conditions, the product achieves maltodextrin-like functionality while maintaining rice flour's clean-label status. The carbohydrate content is optimized to 80-95 wt% through precise control of hydrolysis parameters.
Solution Approach 2:
The patent creates a composite material by combining rice flour with specific enzymes (alpha-amylase and protease) during processing. This enzymatic composite treatment transforms native rice flour into a soluble powder that retains the natural rice base while acquiring enhanced solubility and viscosity properties similar to maltodextrin.
2Reliability
If rice flour is processed to improve solubility, then functionality as maltodextrin alternative is enhanced, but processing complexity increases
Solution Approach 1:
The patent uses enzymes as intermediary agents to facilitate the transformation of rice flour. Alpha-amylase and protease enzymes act as mediators that break down starch and protein structures, respectively, enabling solubility enhancement without requiring complex mechanical or chemical processing equipment. The enzymes perform the complex work of molecular breakdown through biochemical catalysis.
Solution Approach 2:
The patent replaces mechanical processing methods with biochemical enzymatic treatment. Instead of using intensive milling, grinding, or chemical dissolution to improve solubility, the invention uses enzymatic hydrolysis to chemically modify the rice flour structure, achieving solubility enhancement through biological rather than mechanical means.
3Reliability
If particle size is reduced to enhance solubility, then functionality is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent replaces mechanical size reduction methods with enzymatic degradation. Instead of using mills or grinders to physically break down particles, alpha-amylase and protease enzymes chemically break down the molecular structure of starch and proteins, creating naturally smaller soluble units without requiring precise mechanical particle size control equipment.
Solution Approach 2:
The patent changes the chemical parameters of rice flour through enzymatic hydrolysis, transforming insoluble starch into soluble sugars and peptides. This chemical parameter change naturally results in reduced effective particle size and enhanced solubility without requiring mechanical size reduction and its associated precision control challenges.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The soluble rice flour compositions demonstrate improved solubility and viscosity, making them suitable replacements for maltodextrin in various food products, including beverages, infant food, and medicinal products, while offering a clean-label alternative.
Implementation Method 1
treating a rice flour with a first enzyme to form a treated rice flour
Implementation Method 2
treating the treated rice flour with a second enzyme that is different than the first enzyme to form the soluble rice flour composition
Data Source
AI summary
Described herein are soluble rice flour compositions having desirable chemical properties and solubility and viscosity functionality for use in food products such as, beverage mix, infant food, a medicinal product, an emulsion, convenience foods, or a snack-based filling. Such compositions can be used as a partial or complete replacement of maltodextrin and offer a more clean-label alternative.