Oenology (2010) |
Subjects |
PHENOLIC COMPOUNDS, POLYSACCHARIDES AND PROTEINS IN WINE |
Contents |
IDENTIFYING DATA | 2011_12 |
Subject | PHENOLIC COMPOUNDS, POLYSACCHARIDES AND PROTEINS IN WINE | Code | 19605210 | |||||
Study programme |
|
Cycle | 2nd | |||||
Descriptors | Credits | Type | Year | Period | ||||
3 | Optional | Only annual |
Competences | Learning aims | Contents |
Planning | Methodologies | Personalized attention |
Assessment | Sources of information | Recommendations |
Topic | Sub-topic |
1. | Introduction to the color of red wines. Description of color and its evolution throughout the time. |
2. | Structure and chemical properties of anthocyanins and flavanols. |
3. | Factors affecting phenolic composition of grapes; Edafolcimatic factors, Genetic factors, cultural factors; Phenolic maturity concept |
4. | Chemistry of the color of red wines: a. Copigmentation. b. Condensation reactions between anthocyanins and flavanols. c. Origin of piranoanthocianins. d. Browning. |
5. | Technological factors affecting the extraction and stabilization of color matter. Organoleptic incidence. |
6. | The oak and the barrels: Influence of ageing on the organoleptic characteristics of wine. Alternatives of the barrels ageing: Microoxigenation, aromatization with oak chips |
7. | Considerations about bottling and the evolution of wine in the bottle. |
8. | Analysis: • Fractionation techniques of the color matter of wine. • Identification of pigments: Classic techniques and HPLC-DAD-MS. • Evaluation of the properties of the functional components of color: chromatic characteristics and astringency. • Sensory analysis of red wines |
9. | Knowing the proteins of white wines and their sensory and technological implications. |
10. | Knowing the polysaccharides of wine and their sensory and technological implications. |