Wine Chemistry and Biochemistry

(Steven Felgate) #1

5 Use of Enological Additives for Colloid and Tartrate Salt Stabilization 155


B A

9,640

3,000

2,150

1,440

C

Fig. 5.9SDS-PAGE analysis of the thermal and enzymatic yeast extracts. LineA: molecular
weight markers;B: thermal extract; andC: enzymatic extract. Molecular weights of the standards
are given on therightside of the gel (×10) (reprinted with permission from Mart ́ınez-Rodr ́ıguez
et al. 2007)


Taken together, these results thus imply a more general relevance of the use of


mannoproteins in enology and winemaking.


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