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Updated: Apr 30, 2026

Author Spotlight: Sieving Fruit Pulp to Detect Immature Tephritid Fruit Flies in the Field

Author Spotlight: Sieving Fruit Pulp to Detect Immature Tephritid Fruit Flies in the Field

Published on: July 28, 2023

Ethylene detection in fruit supply chains.

S Janssen¹, K Schmitt, M Blanke

¹Institute for Microsensors, -actuators and -systems (IMSAS), University of Bremen, Otto-Hahn-Allee NW1, Bremen 28359, Germany.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences

|May 7, 2014

Summary

This summary is machine-generated.

Portable ethylene sensors are now available for fruit logistics, offering crucial in situ measurements. These devices achieve parts per billion resolution, enabling better quality control and reduced waste.

Keywords:

electrochemical sensors ethene ethylene gas analytics gas chromatography non-dispersive infrared

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Area of Science:

Agricultural Science
Environmental Monitoring
Sensor Technology

Background:

Ethylene is a key phytohormone regulating fruit ripening.
Current ethylene measurement relies on stationary lab equipment, limiting real-time application.
High humidity in storage environments poses challenges for sensitive gas detection.

Purpose of the Study:

To compare mobile ethylene measurement systems for fruit logistics.
To assess system performance regarding sensitivity, selectivity, stability, and automation.
To evaluate suitability for in situ, on-site ethylene detection.

Main Methods:

Development of independent mobile devices using three distinct measurement principles.
Non-dispersive infrared (NDIR) spectroscopy.
Miniaturized gas chromatography (GC).
Electrochemical sensing.

Main Results:

Mobile ethylene detection systems achieve resolutions of 10-20 parts per billion (ppb).
The three compared methods (NDIR, GC, electrochemical) are suitable for mobile applications.
Developed systems are priced below €10,000, making them accessible for fruit supply chains.

Conclusions:

Portable ethylene sensors enable crucial in situ measurements in fruit logistics.
These advancements address limitations of stationary equipment and high-humidity environments.
Cost-effective mobile ethylene detection supports improved fruit quality management and waste reduction.