Durian Origin Tracing Model Using Isotope Analysis
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Solution Overview
Problem
The current manual methods used by import and export inspection departments to identify the origin of imported durians are inefficient, relying on composition analysis and comparison of durian samples.
Innovation Solution
A modeling method and apparatus for tracing the origin of durians using isotope analysis data from pulp and seeds, which involves generating models for specific production areas through analysis modeling algorithms and validating their accuracy using leave-one-out cross validation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual composition analysis and comparison methods are used to identify the origin of imported durians, then the inspection process can be conducted without advanced equipment, but the inspection efficiency is low and the process is time-consuming
Solution Approach 1:
The patent replaces manual mechanical analysis methods with automated isotope ratio mass spectrometry technology. The system automatically acquires isotope composition data from durian samples, performs computational analysis, and determines geographic origin through algorithms, eliminating the need for manual composition analysis and significantly improving inspection efficiency
Solution Approach 2:
The patent introduces isotope composition data as an intermediary substance that carries geographic origin information. By measuring isotope ratios (13C/12C, 15N/14N, 34S/32S) in durian samples, the system creates a chemical fingerprint that serves as a mediator between the physical sample and its geographic origin, enabling automated identification without manual inspection
2Measurement precision
If isotope analysis data and modeling algorithms are used to determine durian origin, then the accuracy and speed of origin identification improve, but the device complexity and analysis process become more complex
Solution Approach 1:
The patent segments the origin identification process into distinct modules: sample preparation, isotope ratio measurement (C, N, S isotopes), data processing, and origin determination. Each module handles a specific function, allowing the complex system to be managed through modular components rather than a monolithic approach
Solution Approach 2:
The patent utilizes changes in isotope ratio parameters (13C/12C, 15N/14N, 34S/32S) that occur naturally due to geographic and environmental factors. By measuring these parameter variations across different production areas, the system achieves high identification accuracy without requiring complex intervention, as the natural parameter differences serve as the identification basis
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
This approach enables quick and accurate determination of the production area of a durian sample, significantly improving the efficiency of origin inspection.
Implementation Method 1
obtaining isotope analysis data of pulp and seeds of durians of a target production area; the isotope analysis data include a 2H isotope ratio, an 18O isotope ratio, a 13C isotope ratio, a 15N isotope ratio, a 34S isotope ratio, N content, S content and C content
Data Source
AI summary
Provided is a modeling method and apparatus for a model of tracing the origin of durians, and a method for tracing the origin of durians. The modeling method includes obtaining isotope analysis data of pulp and seeds of durians of a target production area; generating a model of tracing the origin for a corresponding target production area through a preset analysis modeling algorithm using the isotope analysis data and information of the corresponding target production area; and validating an accuracy of the model of tracing the origin using the isotope analysis data of the target production area and other production areas, to obtain the accuracy of the model. The modeling method for a model of tracing the origin of durians of the present application performs isotope analysis on durians of the target production area, and generates a corresponding model of tracing the origin after obtaining isotope analysis data.