Oenology I - CHIMICA ENOLOGICA (2018/2019)



Course code
4S00138
Credits
6
Coordinator
Maurizio Ugliano
Other available courses
Other available courses
    Academic sector
    AGR/15 - FOOD SCIENCE AND TECHNOLOGY
    Language of instruction
    Italian
    Teaching is organised as follows:
    Activity Credits Period Academic staff Timetable
    Teoria 4 II semestre Maurizio Ugliano

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    Laboratorio [Laboratorio 1° turno] 2 II semestre Davide Slaghenaufi

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    Laboratorio [Laboratorio 2° turno] 2 II semestre Davide Slaghenaufi

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    Learning outcomes

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    MM: Teoria
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    The aim of this course is to provide detailed knowledge concerning chemical structure, reactivity, enological, and sensory role of the main grape and wine constituents. The practice classes deal with the most important analytical methods for winery application and their application to relevant wine chemical and biochemical transformations such as grape maturity and wine oxidation.
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    MM: Laboratorio
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    The purpose of this course is to illustrate, by means of practical laboratory experiences the most important analytical procedures for winery applications. Practical experiences related to the study of anthocyanin reactions as well as on the transformation induced by oxidation on wine chemical composition are also carried out.
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    Syllabus

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    MM: Teoria
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    Theory Grape and wine constituents: chemical, sensory and technological characteristics.
    Sugars, acids, nitrogen compounds, polyphenols, aroma compounds and precursors, metals, proteins and polysaccharides, endogenous and exogenous antioxidants.
    Chemical and biochemical reactions of enological interest Enzimatic reactions (intra- and extra-cellular): yeast- and bacteria-derived enzymes, polyphenol oxidase, laccase, pectinase, glycosidase, esterase, C-S lyase Acid hydrolysis reactions
    Oxidative reactions
    Redox equilibria
    Colloidal phenomena and precipitations
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    MM: Laboratorio
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    In particular, the following aspects are discussed Analysis of total phenolics by means of spectrophotometric methods Analysis of color Analysis of tannins Reactions of anthocyanins Analysis of free and total sulfur dioxide Study of oxygen reaction during wine conservation Study of oxidation-related modification of sulfur dioxide, phenolics, and color Stoichiometric calculations for winery applications
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    Assessment methods and criteria

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    MM: Teoria
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    Oral exam to verify Knowledge of the topics discussed during theoretical and practical classes. Exam results are given in fractions of thirty. No distinction will be made between students attending/non attending classes.
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    MM: Laboratorio
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    The topics of this course are discussed during the oral exam of Enology I
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    Reference books
    Activity Author Title Publisher Year ISBN Note
    Teoria Ribereau-Gayon Trattato di enologia vol I e II (Edizione 3) Edagricole 2007 88-506-4770-0
    Teoria Jackson, Ronald Wine Science (Edizione 3) Elsevier 2014 978-0-12-381468-5

    STUDENT MODULE EVALUATION - 2017/2018