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The Effect of Hot Water Treatment and Chitosan Coating on The<br />

Postharvest Quality of Guava (Psidium guajava L.)<br />

Nur Atikah Binti Md Nor<br />

Supervisor: Dr. Wan Zawiah Binti Wan Abdullah<br />

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

School of Food Science and Technology<br />

Guava (Psidium guajava L.) is a highly perishable fruit and can easily loss its quality<br />

after harvest take place which decrease the nutritive value unless appropriate<br />

postharvest measure are taken. This study is to determine the effect of hot water<br />

treatment and chitosan coating on the postharvest quality of guava. The fruit were<br />

treated with hot water treatment (HWT) at 46.1±2˚C for 10 minutes and coated with<br />

1.5, 2.0, 2.5% chitosan coatings, respectively, and then stored at 10˚C in 12 days.<br />

From the experiment, it shows a significant difference (p

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