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Antimicrobial and Antioxidant Properties of Mango Leaf Extract and Their<br />

Effects on Viability of Lactic Acid Bacteria in Yogurt<br />

Vithya A/P Pragasam<br />

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

Bachelor of Food Science (Food Technology)<br />

School of Food Science and Technology<br />

Mango (Mangiferin indica) is an herbal plant commonly used in ayurvedic medicinal<br />

industry. The extract from it bark, stem and leaf is mainly used in ethnomedicinal purpose.<br />

This study mainly focus in the reaction between mango leaf extract and the viability of<br />

lactic acid bacteria (LAB) in yogurt. The antioxidant and antimicrobial properties of mango<br />

leaf extract against related species of LAB will be investigated in this study. Different<br />

concentration of mango leaf extract will be applied in yogurt. The viability of LAB in yogurt<br />

will be investigated by analysis such as pH, titratable acidity and microbial count. The<br />

antioxidant properties of yogurt will be also determined. Addition of mango leaf extract<br />

in food product may benefits the yogurt. This study will be expected to show either the<br />

addition of mango leaf extract will inhibit and affect the longevity of LAB in fermented<br />

product.<br />

1319 | UMT UNDERGRADUATE RESEARCH DAY

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