Development of a low-cost portable aroma sensing system for identifying artificially ripened mango

[Display omitted] •Fabrication of 2,5-Dimethyl-4-hydroxy-3(2H)-furanone (DHF) imprinted quartz crystal microbalance (QCM) sensor.•Design of portable, low-cost gas sensing system using DHF imprinted QCM sensor.•DHF disappears from mango volatiles with the application of artificial ripener and the sen...

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Published in:Sensors and actuators. A. Physical. 2021-11, Vol.331, p.112964, Article 112964
Main Authors: Ghatak, Barnali, Banerjee, Sanjoy, Ali, Sk Babar, Das, Nityananda, Tudu, Bipan, Pramanik, Panchanan, Mukherji, Soumyo, Bandyopadhyay, Rajib
Format: Article
Language:English
Subjects:
Aroma
Aroma e-Sense
Biomarkers
Calcium carbide
Crystal oscillators
DHF
Divinylbenzene
Flavonoids
Frequency counters
Fruits
Gas chromatography
Imprinted polymers
Mango
Mangoes
Methacrylic acid
Microbalances
Modules
Molecularly imprinted polymer (MIP)
Polymer films
Polymers
Portability
Quartz crystal microbalance (QCM)
Quartz crystals
Reproducibility
Sensors
Signal processing
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Summary:[Display omitted] •Fabrication of 2,5-Dimethyl-4-hydroxy-3(2H)-furanone (DHF) imprinted quartz crystal microbalance (QCM) sensor.•Design of portable, low-cost gas sensing system using DHF imprinted QCM sensor.•DHF disappears from mango volatiles with the application of artificial ripener and the sensor can detect the absence of DHF.•The system can identify calcium carbide treated mango. Identification of naturally ripened mango using a pocket-friendly, portable aroma detection system (Aroma e-Sense) has been presented in this work. The study found 2, 5-Dimethyl-4-hydroxy-3(2 H)-furanone (DHF), a biomarker of artificially ripened (AR) mango. Hereto, a DHF imprinted polymer coupled to a quartz crystal microbalance (DHFIP-QCM) sensor has been fabricated to detect the important flavonoids. Aroma e-Sense with two modules, viz. DHFIP-QCM sensor, and signal processing module comprises of the crystal oscillator (10 MHz) synchronized with a frequency counter module, display module followed by storage module. The DHFIP-QCM sensor was designed using synthesized methacrylic acid-divinyl benzene polymer as sensing film. The developed Aroma eSense possesses significant repeatability (99.50 %), reproducibility (98.60 %), and stability towards DHF. Further, the developed system has been validated with standardized gas chromatography. Moreover, the Aroma e-Sense was found to be applicable to ensure whether mangoes are carbide treated or not.
ISSN:0924-4247
1873-3069
DOI:10.1016/j.sna.2021.112964