Teacher
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MAZZONI Cristina
(syllabus)
The course includes 40 hours of frontal teaching and 12 hours of laboratory exercises.
6 hours Introduction to food microbial biotechnologies - Concept of industrial fermentation - Regulations on biotech foods - microorganisms and ingredients derived from them contained in food - property of an industrial microorganism 14 hours Biology and genetic manipulation of microorganisms of interest in food biotechnology - S. cerevisiae yeast - E. coli - Streptomyces, Bacillus, lactic acid bacteria, filamentous fungi - Penicillium - Rhizopus - production of mycoproteins: Quorn - production of Tempeh Bioreactors and Batch, Fed batch and continuous growth modes 6 hours Wine production - seminar Production of biomass from yeast Production of beer and other fermented beverages 2 hours Seminar on industrial production of microbial starter for the food industry - (responsible for Research & Development) Dalton Biotecnologie 10 hours Food additives - industrial production of lactic acid (E270), citric acid (E330) and gluconic acid (E574) Production and application of enzymes in the food industry - Xylanase, amylase, glucose / xylose isomerase, beta glucanase, phytase etc. L-asparaginase as a healthy enzyme Production of amino acids - glutamic acid and MSG (E620 and E621) - L-lysine Production and uses of polysaccharides of microbial origin - production and uses of xanthan gum (E415) Production and uses of Natamycin in food products (pimaricin, E235) 4 hours Visits to production plants 12 hours laboratory exercises Determination of the titer of a yeast starter by means of a vital plate count Determination of the number of cells by counting in the Thoma chamber Determination of the respiratory competence index
(reference books)
- Biotecnologie microbiche S. Donadio e G. Marino. Casa EditriceAmbrosiana.(2008) - Slides of lessons (available in shared folders on google drive) - Scientific articles
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