Delayed-Gelling Inhibited Tapioca Starch for Room-Temperature Processing
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Solution Overview
Problem
Tapioca starches gel quickly after cooking, limiting process flexibility and requiring hot processing, which increases costs and reduces flexibility in food production.
Innovation Solution
Development of delayed-gelling, inhibited tapioca starches with specific amylose content, sedimentation volume, and solubles values, processed under controlled conditions to achieve a gel time of 4-24 hours, maintaining an ungelled state for extended periods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional tapioca starch is used, then the starch provides desirable thickening and gel properties, but the starch gels quickly after cooking, requiring hot processing and reducing process flexibility
Solution Approach 1:
The patent applies parameter changes by modifying the starch structure through controlled inhibition during cooking. The starch is cooked at elevated temperatures (60-100°C) for extended periods (1-24 hours) to achieve a specific degree of inhibition, transforming it from a quick-gelling state to a delayed-gelling state. This parameter transformation allows the starch to maintain flexibility in processing while still providing the desired gel properties when needed.
2Productivity
If tapioca starch is processed hot to prevent premature gelling, then the starch maintains its functional properties, but processing costs increase and process flexibility decreases
Solution Approach 1:
The patent applies preliminary action by pre-cooking the tapioca starch under controlled inhibition conditions before final product formulation. This preliminary treatment creates a delayed-gelling starch that can be stored and processed at room temperature, eliminating the need for continuous hot processing. The preliminary inhibition action prevents premature gelling during storage and handling, allowing more efficient and cost-effective processing later.
3Ease of operation
If the starch remains in an ungelled state for extended periods, then process flexibility improves, but the starch may lack sufficient shear stability and structural integrity
Solution Approach 1:
The patent applies dynamics by creating a starch system that transitions from an inhibited, non-gelling state during processing to a gelled state during storage or upon demand. The delayed-gelling starch dynamically adjusts its physical state based on time and environmental conditions, providing shear stability when needed while maintaining processing flexibility when required. This dynamic behavior resolves the contradiction between stability and flexibility.
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 starches provide a longer processing window for food products, allowing room temperature handling and packaging, with desirable shear stability and clean-label status without harsh chemical modifications.
Implementation Method 1
cooking a starch as described herein in the presence of water
Implementation Method 2
delayed-gelling, inhibited tapioca starch
Data Source
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AI summary
The present disclosure relates to starch materials useful, for example, as texturants in foodstuffs. In particular, the present disclosure relates to delayed-gelling, inhibited starches and methods of using them, in one aspect, the disclosure provides a delayed-gelling, inhibited starch having an amylose content in the range of 15-30%; a sedimentation volume in the range of 10-50 mL/g; and a % solubles in the range of 10-40%, wherein the starch is not pregelatinized. In certain embodiments, products including the cooked starches of the disclosure can have a much longer processing window (e.g., for pumping, dispensing, packaging) at room temperature than conventional starches, especially conventional tapioca starches. The starches of the disclosure can also have a desirable shear stability, e.g., similar to the shear stability of conventional crosslinked tapioca starches.