The use of brick-walled evaporative cooler for storage of tomato

Authors

  • Emma Ruth Bayogan University of the Philippines Mindanao, College of Science and Mathematics Mintal, Tugbok District, Davao City 8022, Philippines Author
  • Leizel Secretaria University of the Philippines Mindanao, College of Science and Mathematics Mintal, Tugbok District, Davao City 8022, Philippines Author
  • Darlyn Lequigan University of the Philippines Mindanao, College of Science and Mathematics Mintal, Tugbok District, Davao City 8022, Philippines Author
  • Reynaldo Abad University of the Philippines Mindanao, College of Science and Mathematics Mintal, Tugbok District, Davao City 8022, Philippines Author

DOI:

https://doi.org/10.24154/jhs.v17i1.1230

Keywords:

Brick-walled evaporative cooler (BEC), color, quality, Solanum lycopersicum, storage

Abstract

A cost-effective alternative to cold storage is the brick-walled evaporative cooler (BEC). The effects of BEC on mature green and breaker ‘Diamante Max’ tomatoes were assessed. Two trials were carried out at ambient conditions with (i) 27.13±0.78 °C and 80.89±4.47%RH; (ii) 26.93±0.87 °C and 80.05±5.20% RH and with BEC (i) 25.49±0.58 °C and 99.90±0.10% RH; (ii) 25.42±0.90 °C and 97.75±3.25% RH. BEC-stored tomatoes showed 10.36% lesser weight loss, lesser decay incidence, redder color and better visual quality compared to control fruit. The higher L* and hue of around 90 in ambient-stored tomatoes indicated a lighter color as fruit turned to yellow compared to a lower L* and hue in BEC indicating a darker red color. An increased chroma was recorded as fruit turned from green or breaker to yellow, orange, or light red while the values of a* became negative. The BEC maintained the firmness and total soluble solids, especially in mature green tomatoes. After 49 days of storage, 61.8% of the fruit stored in the BEC were marketable compared to 23.3% in ambient conditions. The BEC system showed 27.16% higher annual benefit over cost than the ambient storage conditions. Thus, the BEC system can potentially maintain the quality of ‘Diamante Max’ tomatoes.

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Author Biographies

  • Emma Ruth Bayogan, University of the Philippines Mindanao, College of Science and Mathematics Mintal, Tugbok District, Davao City 8022, Philippines

    Department of Biological Sciences and Environmental Studies

  • Darlyn Lequigan, University of the Philippines Mindanao, College of Science and Mathematics Mintal, Tugbok District, Davao City 8022, Philippines

    Department of Biological Sciences and Environmental Studies

  • Reynaldo Abad , University of the Philippines Mindanao, College of Science and Mathematics Mintal, Tugbok District, Davao City 8022, Philippines

    Department of Biological Sciences and Environmental Studies

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Published

30-09-2022

Issue

Section

Original Research Papers

How to Cite

Bayogan, E. R. ., Secretaria, L., Lequigan, D. ., & Abad , R. . (2022). The use of brick-walled evaporative cooler for storage of tomato. Journal of Horticultural Sciences, 17(1), 190-198. https://doi.org/10.24154/jhs.v17i1.1230

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