Back to Search Start Over

Spoilage Monitoring and Early Warning for Apples in Storage Using Gas Sensors and Chemometrics

Authors :
Limei Yin
Heera Jayan
Jianrong Cai
Hesham R. El-Seedi
Zhiming Guo
Xiaobo Zou
Source :
Foods, Vol 12, Iss 15, p 2968 (2023)
Publication Year :
2023
Publisher :
MDPI AG, 2023.

Abstract

In the process of storage and cold chain logistics, apples are prone to physical bumps or microbial infection, which easily leads to spoilage in the micro-environment, resulting in widespread infection and serious post-harvest economic losses. Thus, development of methods for monitoring apple spoilage and providing early warning of spoilage has become the focus for post-harvest loss reduction. Thus, in this study, a spoilage monitoring and early warning system was developed by measuring volatile component production during apple spoilage combined with chemometric analysis. An apple spoilage monitoring prototype was designed to include a gas monitoring array capable of measuring volatile organic compounds, such as CO2, O2 and C2H4, integrated with the temperature and humidity sensor. The sensor information from a simulated apple warehouse was obtained by the prototype, and a multi-factor fusion early warning model of apple spoilage was established based on various modeling methods. Simulated annealing–partial least squares (SA-PLS) was the optimal model with the correlation coefficient of prediction set (Rp) and root mean square error of prediction (RMSEP) of 0.936 and 0.828, respectively. The real-time evaluation of the spoilage was successfully obtained by loading an optimal monitoring and warning model into the microcontroller. An apple remote monitoring and early warning platform was built to visualize the apple warehouse’s sensors data and spoilage level. The results demonstrated that the prototype based on characteristic gas sensor array could effectively monitor and warn apple spoilage.

Details

Language :
English
ISSN :
23048158
Volume :
12
Issue :
15
Database :
Directory of Open Access Journals
Journal :
Foods
Publication Type :
Academic Journal
Accession number :
edsdoj.b5867af1afd4e968381261f822e74d8
Document Type :
article
Full Text :
https://doi.org/10.3390/foods12152968