Mathematical analysis and modelling of respiration rate of tropical climacteric produces during storage under various temperatures

Abstract

Many tropical agricultural products belong to climacteric group which need more attention to be able to extend or maintain their shelf life during storage. One of the most important phenomenon of climacteric produce is about the respiration rate of that produce. The following research was intended to investigate the rate of respiration of tropical climacteric products under various treatments including low temperature and the type of products. This research had developed respirometer device made from glass and thick plastic jar equipped with some needed sensing devices such as air temperature and humidity, product temperature sensing devices, and a tap for O2 and CO2 measurement. The respiration rate of banana, guava, and mango was succeded measured by using a closed system method. It was found that storage temperature, fruit type, and interaction between them were significantly affect the respiration rate. The changes in gas composition inside the respirometer were found to vary for each fruit studied. This could be referred to an internal composition for every fruit was different. The fastest rate of O2 consumption and CO2 evolution belong to banana and mango, respectively. The effect of temperature on respiration rate could be modeled using Arrhenius equation with a satisfactory results.

Determination of the relationship between respiration rate and ethylene production by fruit sizes of different tomato types

“…reported a higher respiration rate in small‐fruited ‘Hass’ avocado fruit. Similar results were also found in guava fruit, 46 unlike Rahayu and Bintoro 42 . Small‐fruited tomatoes in the ‘Unicorn’ cultivar of the cherry type had greater respiration at harvest time compared to large‐fruited tomatoes 47 .…”

“…In mandarin, CO 2 production correlated negatively with rind thickness, and fruit size did not affect respiration rate 41 . Also, a study conducted with banana, guava and mango revealed that the size of the fruits was not related to the respiration rate 42 . However, in ‘Gala’ apple cultivar, as the fruits size, the respiration rate increases 43 .…”

“…Similar results were also found in guava fruit, 46 unlike Rahayu and Bintoro. 42 Small-fruited tomatoes in the 'Unicorn' cultivar of the cherry type had greater respiration at harvest time compared to large-fruited tomatoes. 47 As a result of the findings, it is assumed that tomato varieties with small fruits have a higher respiration rate because of their volume/surface ratio and different skin characteristics compared to other fruits.…”

“…41 Also, a study conducted with banana, guava and mango revealed that the size of the fruits was not related to the respiration rate. 42 However, in 'Gala' apple cultivar, as the fruits size, the respiration rate increases. 43 Conversely, the asian pear cultivar 'Wonhwang' respiration rate was lower in large fruits compared to small fruits.…”

Rekayasa Teknologi Penyimpanan dengan Atmosfer Termodifikasi untuk Memperpanjang Umur Simpan dalam Penanganan Pascapanen Tomat

“…Fasilitas-fasilitas untuk melaksanakan penelitian pada bidang penanganan pascapanen produk segar di Indonesia masih sangat terbatas. Kebutuhan akan fasilitas yang memadahi merupakan hal yang penting untuk dapat mengembangkan teknologi pascapanen produk segar yang berkualitas (Rahayu dan Bintoro, 2019). Tujuan dari penelitian ini adalah untuk merancang dan membuat peralatan yang dapat mengatur suhu dan memodifikasi komposisi gas dari udara yang ada di dalam suatu ruangan tertutup yang secara umum dikenal sebagai Modified Atmosphere Storage (MAS).…”