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Effect of Different Concentrations of Roselle Waste on Post-Harvest<br />

Quality of Japanese Quail’s (Coturnix japonica) Eggs<br />

Prevena A/P Sinniah<br />

Supervisor: Dr. Fauziah binti Tufail Ahmad<br />

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

School of Food Science and Technology<br />

Roselle (Hibiscus sabdariffa L.) is well-known for antioxidant properties and being<br />

utilised worldwide in the production of many processed products. However, there is<br />

an alarming issue where the waste generated from the processing have bio-active<br />

compounds that can be utilised in agricultural and food production sectors. Hence,<br />

this study aims to determine the effect of different concentrations of roselle waste on<br />

postharvest quality of Japanese quail’s eggs. Japanese quails were fed with roselle<br />

waste to determine the effectiveness of the dietary treatments on the egg’s quality.<br />

Parameters conducted including number and weight of eggs, colour, pH, haugh unit,<br />

ascorbic acid analysis, total phenolic content, anthocyanin content, carotenoid content<br />

and DPPH assay. There were significant differences between treatments for the<br />

parameters such as albumen redness, albumen yellowness, pH, Haugh unit and<br />

ascorbic acid. In conclusion, the roselle waste has tendency to provide antioxidant<br />

properties in Japanese quail’s eggs.<br />

1070 | UMT UNDERGRADUATE RESEARCH DAY 2018

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