Soluble Oat Flour via Continuous Extrusion Cooking

Solution Overview

Problem

Existing methods for producing soluble oat or barley flour are costly, time-consuming, and inefficient, requiring multiple steps and enzymes to achieve the necessary soluble fiber content for health claims, which limits the convenience and accessibility of oat-based products.

Innovation Solution

A one-step extrusion process is used to gelatinize and dextrinize whole oat or barley flour, incorporating sugar, maltodextrin, and antioxidants, with pre-hydration and controlled temperature and moisture levels to produce soluble flour, reducing production time and costs while maintaining high soluble fiber content.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If traditional enzyme treatment and drum/spray drying methods are used to prepare soluble oat flour, then the soluble fiber content meets FDA health claim thresholds, but the production process becomes expensive, time-consuming, and inefficient

Engineering Contradiction:

Improvesoluble fiber contentVSAvoidproduction efficiency

Core Design Contradiction:

Manufacturing precisionVSProductivity

Solution Approach 1:

The patent combines multiple traditional processing steps (enzyme treatment, gelatinization, drying) into a single extrusion cooking process. The extruder integrates mixing, heating, shearing, and drying functions, eliminating the need for separate enzyme treatment and drum/spray drying operations while achieving the required soluble fiber content for FDA health claims.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The extrusion process operates continuously, feeding oat flour and water into the extruder which maintains constant heating, shearing, and processing conditions. This continuous operation eliminates batch processing interruptions and enables high-volume production of soluble oat flour at improved rates compared to traditional batch methods.

Inventive Principle:

Principle #20Continuity of useful action

2Manufacturing precision

If traditional enzyme treatment and drum/spray drying methods are used to prepare soluble oat flour, then the soluble fiber content meets FDA health claim thresholds, but the production cost increases

Engineering Contradiction:

Improvesoluble fiber contentVSAvoidproduction cost

Core Design Contradiction:

Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The patent combines multiple traditional processing steps (enzyme treatment, gelatinization, drying) into a single extrusion cooking process. The extruder integrates mixing, heating, shearing, and drying functions, eliminating the need for separate enzyme treatment and drum/spray drying operations while achieving the required soluble fiber content for FDA health claims.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The process replaces expensive enzymes with a mechanical-thermal extrusion system that uses conventional equipment already available in many facilities. The extruder uses heat and mechanical energy instead of costly enzyme additives, reducing raw material costs while achieving the same functional result of creating soluble oat flour meeting FDA thresholds.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Manufacturing precision

If traditional batch processing methods are used to prepare soluble oat flour, then the soluble fiber content meets FDA health claim thresholds, but the production time increases

Engineering Contradiction:

Improvesoluble fiber contentVSAvoidproduction time

Core Design Contradiction:

Manufacturing precisionVSLoss of time

Solution Approach 1:

The extrusion process operates continuously, feeding oat flour and water into the extruder which maintains constant heating, shearing, and processing conditions. This continuous operation eliminates batch processing interruptions and enables high-volume production of soluble oat flour at improved rates compared to traditional batch methods.

Inventive Principle:

Principle #20Continuity of useful action

Solution Approach 2:

The extruder pre-cooks and gelatinizes the oat flour during the extrusion process itself, eliminating the need for separate pre-treatment steps. The material is processed under controlled temperature and shear conditions within the extruder, achieving gelatinization and soluble fiber formation in a single integrated operation that reduces total production time.

Inventive Principle:

Principle #10Preliminary action

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 process results in a more efficient, cost-effective, and convenient production of soluble oat or barley flour, enabling the creation of healthy, easy-to-prepare products that meet FDA soluble fiber thresholds, suitable for various food and beverage applications.

Implementation Method 1

utilizing a continuous cooker to gelatinize and dextrinize whole oat or barley flour in one step

Methodology Applied

Scientific EffectGelatinization:

Data Source

PatentUS8795754B2Soluble oat or barley flour and method of making utilizing a continuous cooker

Publication Date: 2014.08.05 QUAKER OATS CO

AI summary

Preparing soluble oat or barley flour in one-step using an extrusion (continuous cooking) process to dextrinize and gelatinize cook the oat or barley flour.