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Effect of Hot Water Treatment and Calcium Dips on Tomato (Solanum<br />

Lycopersicum)<br />

Wong Jing Hao<br />

Supervisor: Dr. Iffah Hazirah Mohd. Nawi<br />

Bachelor of Science Agrotechnology (Postharvest Technology)<br />

School of Food Science and Technology<br />

Tomato is fruit vegetables sustaining valuable benefits in economy and nutrition. To<br />

improve the storage quality of tomato, effect of hot water treatment and calcium dips<br />

on tomato (Solanum lycopersicum) was studied. Tomato fruits were dipped in two<br />

fruits were stored in 10℃ ± 2 cold room at relative humidity of 80-95%. Changes in<br />

colour, weight loss, firmness, total soluble solids (TSS), ascorbic acid, pH, titratable<br />

acidity were recorded on 0, 2, 4, 6, 8, 10, 12, 14 days of storage. Combined treatment<br />

of 50℃ + 2% CaCl2 was an optimum treatment as it had longest shelf life, lowest TSS,<br />

highest firmness, highest ascorbic acid and better colour appearance. This treatment<br />

prone to extend shelf life, delay ripening and retained the postharvest quality of<br />

tomato.<br />

1079 | UMT UNDERGRADUATE RESEARCH DAY 2018

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