Wine Chemistry and Biochemistry

604 A. Bertrand and A.A. Beloqui CH 3 C O H 3H 2 S + CH OH SH 3 CH 3 SS H 3 C S CH 3 CH 3 +CHH 2 O 3CH 3 2 SH 6 H+ Fig. 10.7Reac ...

10 Aromatic Spoilage of Wines by Raw Materials and Enological Products 605 1-hydroxyethanethiol ethanal 1,1-ethanedithiol cis/tr ...

606 A. Bertrand and A.A. Beloqui The second is that H 2 S cannot react with ethanal because it is bound to SO 2 in the bisulphit ...

10 Aromatic Spoilage of Wines by Raw Materials and Enological Products 607 (^3243) 45 59 64 (^7377) 88 92 103 137 152 154 30 40 ...

608 A. Bertrand and A.A. Beloqui These compounds were not found in the wines studied. Nonetheless, some were detected in a grape ...

10 Aromatic Spoilage of Wines by Raw Materials and Enological Products 609 Table 10.1Example of contaminated corks (ng/g) TCAa T ...

610 A. Bertrand and A.A. Beloqui Table 10.3Examples of wood shavings from boxes or wooden structures treated with polychlorophen ...

10 Aromatic Spoilage of Wines by Raw Materials and Enological Products 611 References Anocibar Beloqui, A., (1998). Contribution ...

612 A. Bertrand and A.A. Beloqui Lacoste, J. (1973). Utilisation du sorbate de potassium.Rev. Fr. Oenol., 50, 31. Lavigne, V. (1 ...

10 Aromatic Spoilage of Wines by Raw Materials and Enological Products 613 Wenzel, K., & Dittrich, H. H. (1983). Hydrogen su ...

Chapter 11 Wine Spoilage by Fungal Metabolites Manuel Malfeito-Ferreira, Andre Barata, and Virgilio Loureiro ́ Contents 11.1 Int ...

616 Manuel Malfeito-Ferreira et al. of OTA in grapes and wines has a special meaning in enology, because wine has been known, si ...

11 Wine Spoilage by Fungal Metabolites 617 It is the most abundant and hence the most commonly detected member of the family of ...

618 Manuel Malfeito-Ferreira et al. to influence cells viability and proliferation, but its modes of toxicity remain “a continui ...

11 Wine Spoilage by Fungal Metabolites 619 Table 11.1European Union and Swiss regulations for ochratoxin A ( g/kg) Product Maxim ...

620 Manuel Malfeito-Ferreira et al. and trichotecenes, although the relative weight of each other in public health has not been ...

11 Wine Spoilage by Fungal Metabolites 621 Table 11.2 Occurrence and concentration of OTA ( g/L) in wines obtained in recent lar ...

622 Manuel Malfeito-Ferreira et al. wine –A. carbonariusandtoalesserextentA. niger. Recently, a new species of sec- tionNigriiso ...

11 Wine Spoilage by Fungal Metabolites 623 by high aw(0.98) and temperature (28◦C), whereas OTA production was increased at mild ...

624 Manuel Malfeito-Ferreira et al. Fig. 11.2Factors affecting grape colonisation by OTA producer fungi effect of all factors – ...