Banana is one of the most widely grown crops in the Philippines, and one of the most popular varieties is Musa balbasiana, sometimes known as Saba. Saba is perishable due to its high moisture content, and drying is one way to extend its shelf life. It must be consumed within a few days of harvesting due to its short shelf life. Saba's shelf life can be extended by up to six months if dried to a moisture content of 12 percent. The study focuses on the impact of banana ripeness and selects a mathematical model that best fits the drying kinetics of the fruit. The banana samples, both unripe and ripe Saba, were bone-dried in a hot-air tray drier without any pre-treatment. Three experiments were conducted at temperatures of 40°C, 50°C, and 60°C to provide repeatable results. The treated data for both unripe and ripe Saba best suited the Laplace Transform Model out of the three mathematical models utilised in the study. The time per trial was calculated using Lagrange interpolation; for the three trials, unripe Saba dried at 50°C achieved the optimal moisture content in an average time of 87.5574 minutes, while ripe Saba dried at 40°C obtained the same moisture content in an average time of 88.8619 minutes. The discoloration diminished as the temperature rose, demonstrating that browning was enzymatic. When it comes to determining the drying time, the difference in the amount of moisture that can be removed from Saba is a bigger factor than the temperature.
Author(S) Details
Lola Domnina Pestaño
Chemical Engineering Department, Faculty of Engineering, University of Santo Tomas, Philippines. and Research Center for the Natural and Applied Sciences, University of Santo Tomas, Philippines.
John Paul Bautista
Chemical Engineering Department, Faculty of Engineering, University of Santo Tomas, Philippines.
Reizl Leguiab
Chemical Engineering Department, Faculty of Engineering, University of Santo Tomas, Philippines.
Sean Danielle Puri
Chemical Engineering Department, Faculty of Engineering, University of Santo Tomas, Philippines.
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