Dried Pasta Manufacturing Method Preventing Cracking
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Solution Overview
Problem
Existing methods for manufacturing dried pasta fail to effectively prevent cracking, which impairs the visual appeal and commercial value, particularly in long pasta forms like spaghetti, due to uneven drying.
Innovation Solution
A method involving drying pasta noodle strands at 75 to 95°C and 70 to 80% humidity, followed by a temperature reduction of at least 15°C for heating, and subsequent cooling at 20 to 40°C and 40 to 80% humidity, to achieve a water content of 14% or less, thereby minimizing cracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional drying methods are used to remove water from pasta, then water content is reduced, but uneven drying causes cracking
Solution Approach 1:
The drying process is divided into multiple sequential stages with progressively changing temperature and humidity conditions. The first drying stage uses higher temperature (40-60°C) and humidity (60-80%) to remove surface water, followed by a second stage with lower temperature (20-40°C) and humidity (40-60%) to complete drying. This segmentation prevents cracking by avoiding rapid uniform drying that would cause stress concentration.
Solution Approach 2:
Before the final drying stage, a preliminary action is performed by maintaining pasta at specific moisture content (30-50%) through controlled drying conditions. This preliminary moisture adjustment prepares the pasta structure to withstand the subsequent low-temperature drying phase without cracking, ensuring shape uniformity is maintained throughout the process.
2Productivity
If drying temperature is increased to accelerate water removal, then drying efficiency improves, but cracking increases due to excessive moisture loss
Solution Approach 1:
The drying process employs dynamic adjustment of temperature and humidity parameters across different stages. The first stage uses higher temperature (40-60°C) for efficient water removal, then transitions to lower temperature (20-40°C) in the second stage. This dynamic parameter adjustment maintains high overall productivity while preventing cracking through controlled moisture loss rates at each phase.
Solution Approach 2:
The drying process implements periodic action by alternating between higher-temperature efficient drying phases and lower-temperature shape-stabilizing phases. This periodic variation in drying intensity allows rapid water removal when safe, then pauses to allow structural adjustment, preventing cracking while maintaining productivity.
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 method results in dried pasta with minimal or no cracking, preventing damage like breakage or chipping, and enhancing the visual appeal and commercial value by ensuring high-quality pasta production.
Implementation Method 1
a step of drying pasta noodle strands to reach the percentage of water content of 14% or less under an environment maintained at a temperature of 75 to 95°C and humidity of 70 to 80%
Implementation Method 2
a step of heating, after the drying step, the pasta noodle strands for 10 to 120 minutes under an environment maintained at a temperature lower by at least 15°C than the temperature in the drying step and within a range of 50 to 80°C, and humidity of 70 to 80%
Implementation Method 3
a step of cooling, after the heating step, the pasta noodle strands for 10 to 60 minutes under an environment maintained at a temperature of 20 to 40°C and humidity of 40 to 80%
Data Source
AI summary
Provided is dried pasta having no or very little cracking and a manufacturing method therefor. The method for manufacturing dried pasta comprises a drying step of drying pasta noodle strands to reach the percentage of water content of 14% or less under an environment maintained at a temperature of 75 to 95°C and humidity of 60 to 90%; a heating step of heating, after the drying step, the pasta noodle strands for 10 to 120 minutes under an environment maintained at a temperature lower by at least 15°C than the temperature in the drying step and within a range of 50 to 80°C, and humidity of 60 to 90%; and a cooling step of cooling, after the heating step, the pasta noodle strands for 10 to 60 minutes under an environment maintained at a temperature of 20 to 40°C and humidity of 40 to 80%.