Bioactive peptide from casein play a very important role in\nbiological functionalities such as antioxidant and antimicrobial activities.\nCasein is the main protein that derived from goat milk which consists of\nalpha (�±), beta (�²) and kappa (�º) casein. Dietary protein such as casein from\nanimal can provide rich source of bioactive peptide. However, the\nmacromolecular protein such as cow milk can cause allergic response to\ncertain individuals. On the other hand, goat milk have been known for its\nhypoallergenic and therapeutic properties in human nutrition and health.\nThe purpose of this study is to extract casein from local breed goat milk and\nidentify the molecular characterization of casein for nutraceutical value. The\ncasein was successfully extracted using extraction method. Extraction is a\ncommon technique used to separate a desired substance when it is mixed\nwith other components. The average percentage of casein obtained was\n24.25%. Then, the casein was analysed by running it in the SDS-Page. The\nmajor fraction is �²-casein and the minor is �±-casein that can be seen between\n20kDa and 30kDa respectively. There is no contaminated protein appear in\nthe purified �±-amylase. The result obtained in this study indicates that\nisolated casein from Malaysian goat milk was pure and can be used as\nbioactive peptide for nutraceutical value.
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