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    Studies on production of bioprotein from local vegetable wastes

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    Abstract, Acknowledgement.pdf (209.3Kb)
    Introduction.pdf (208.9Kb)
    Literature review.pdf (331.0Kb)
    Methodology.pdf (412.6Kb)
    Results and discussion.pdf (633.4Kb)
    Conclusion.pdf (196.1Kb)
    References and appendix.pdf (506.6Kb)
    Date
    2013-06
    Author
    Prem Kumar, Ravindran
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    Abstract
    The significant increase demands for livestock product in recent years have influenced the important of protein as nutrient. Due to high cost of protein, exploration on finding an alternative protein source was done that do not conflict with the human and animal food production. So, the local vegetable waste was to be a potential for bioprotein production where it is enriched with high nutritional value, economically feasible and locally available. The production of bioprotein involves fermentation process which is solid state fermentation (SSF) of local vegetable waste with food fungi, Rhizopus oligosporus. Four types of vegetable waste were chosen for this research, which are corn waste, sugar cane waste, cucumber and bean sprout waste (black top skin). The screening part was aimed to identify which potential vegetable waste could produce higher bioprotein using microorganism (Rhizopus oligosporus). As a result, the highest protein production was showed by the bean sprout waste. In the optimization process, the interaction effect between the parameters such as pH (5.0 – 8.0) and inoculums size (10% - 20%v/v) has been statistically studied using 3 – Level Factorial under Response Surface Methodology (RSM) in order to identify the protein concentration and total sugar content. Thus, the result shows that the protein concentration and total sugar content are higher in pH 6.5 and 15% inoculums size. The effect of nitrogen as source in bioprotein production utilizing bean sprout skin as substrate shown to be important beside the carbon source as the primary nutrient. Thus, from analysis of variance (ANOVA) using polynomial quadratic equation, maximum protein concentration and total sugar content was attained at pH 6.5 and 15% of inoculums size.
    URI
    http://dspace.unimap.edu.my:80/xmlui/handle/123456789/37735
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