Modified Oat Base Enzymatic Process for Hot Acidic Beverages
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Solution Overview
Problem
There is a market demand for oat drinks that can maintain functional characteristics across a wide range of temperatures and pH levels while preserving organoleptic parameters, but commercially available enzymes for modifying oats are often genetically modified, making it challenging to develop a process that meets these requirements using non-GMO enzymes.
Innovation Solution
An optimized enzymatic process using two non-GMO alpha-amylases and one non-GMO endoprotease in a specific order, involving a liquefying endo alpha-amylase, a maltogenic saccharifying alpha-amylase, and a metalloendoprotease, to produce a modified oat base suitable for hot acidic beverages like coffee, while ensuring the product is labeled as 'organic' or 'clean label'.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If commercially available enzymes are used to modify oat base, then the functional properties and stability are improved, but the product cannot be labeled as organic or clean label due to GMO content
Solution Approach 1:
The patent divides the enzymatic modification process into multiple sequential steps using different enzyme types (protease first, then alpha-amylase) to achieve the desired functional properties while using non-GMO enzymes that qualify for organic certification
Solution Approach 2:
The patent optimizes process parameters including enzyme concentrations, treatment temperatures, and pH levels to maximize the effectiveness of non-GMO enzymes in improving oat base stability and functional properties without requiring genetically modified organisms
2Reliability
If enzymes are used to improve protein solubility and functional properties, then the organoleptic parameters may deteriorate due to undesired side effects such as bitterness and astringency
Solution Approach 1:
The patent separates the enzymatic actions into distinct sequential steps - first protease treatment to improve protein solubility, then alpha-amylase treatment for starch modification - to achieve functional improvements while minimizing organoleptic deterioration
Solution Approach 2:
The patent uses controlled, optimized concentrations of enzymes and limited treatment times to achieve sufficient protein solubility improvement without excessive proteolysis that would generate bitter peptides and astringent compounds
3Device complexity
If a single enzyme treatment is used, then the process is simple, but the functional properties are insufficient for hot acidic beverages
Solution Approach 1:
The patent implements a multi-step enzymatic process with protease followed by alpha-amylase, where each step targets specific components (proteins then starches) to collectively achieve the functional properties needed for hot acidic beverage applications
Solution Approach 2:
The patent employs continuous enzymatic treatment steps without interruption, maintaining optimal conditions for each enzyme sequentially to progressively build up the functional properties required for stability in hot acidic beverages
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 modified oat base with improved stability, reduced flocculation, and desirable organoleptic properties, allowing it to be mixed into hot acidic beverages without separating or precipitating, and can be scaled industrially, meeting consumer requirements and regulatory standards for organic production.
Implementation Method 1
the first alpha-amylase is a liquefying endo alpha-amylase, which primarily degrades starch at random, producing dextrins of differing chain lengths and oligosaccharides
Implementation Method 2
the second alpha-amylase is a maltogenic saccharifying alpha-amylase, which is a maltose liberating alpha-amylase
Implementation Method 3
The endoprotease is preferably a metalloendoprotease, more preferably Neutrase
Data Source
AI summary
The present invention relates to a process for enzy matically modifying an oat base using a specific order and combination of enzymes, including a first liquefying alpha-amylase, a second maltogenic saccharifying alpha-amylase and an endoprotease. In particular, the present invention relates to oat bases obtainable by such process and uses thereof in hot acidic beverages, such as in coffee.