Please use this identifier to cite or link to this item:
http://hdl.handle.net/2067/1492
Title: | Effect of wine inhibitors on free pineapple stem bromelain activity in a model wine system | Authors: | Esti, Marco Benucci, Ilaria Liburdi, Katia Garzillo, Anna Maria Vittoria |
Keywords: | Pineapple stem bromelain;Wine inhibitors;Model wine system | Issue Date: | 2011 | Publisher: | American Chemical Society | Source: | Esti M. et al. 2011. Effect of wine inhibitors on free pineapple stem bromelain activity in a model wine system. "Journal of Agricultural and Food Chemistry" 59: 3391-3397 | Abstract: | The influence of potential inhibitors, naturally present in wine, on the activity of stem bromelain was investigated in order to evaluate the applicability of this enzyme for protein stabilization in white wine. Bromelain proteolytic activity was tested against a synthetic substrate (Bz-Phe-Val-Arg-pNA) in a model wine system after adding ethanol, sulphur dioxide (SO2), skin, seed, and gallic and ellagic tannins at the average range of their concentration in wine. All the inhibitors of stem bromelain activity tested turned out to be reversible. Ethanol was a competitive inhibitor with a rather limited effect. Gallic and ellagic tannins have no inhibitory effect on stem bromelain activity, while both seed and skin tannins were uncompetitive inhibitors. The strongest inhibition effect was revealed for sulphur dioxide which was a mixed-type inhibitor for the enzyme activity. This study provides useful information relative to a future biotechnological application of stem bromelain in winemaking. |
Description: | L'articolo è disponibile sul sito dell'editore http://pubs.acs.org |
URI: | http://hdl.handle.net/2067/1492 | ISSN: | 0021-8561 | DOI: | 10.1021/jf104919v |
Appears in Collections: | DECOS - Archivio della produzione scientifica |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
JAgrFoodChem1492.pdf | 292.15 kB | Adobe PDF | View/Open |
SCOPUSTM
Citations
5
25
Last Week
1
1
Last month
checked on Mar 5, 2022
Page view(s)
143
Last Week
0
0
Last month
7
7
checked on Mar 16, 2024
Download(s)
212
checked on Mar 16, 2024
Google ScholarTM
Check
Altmetric
All documents in the "Unitus Open Access" community are published as open access.
All documents in the community "Prodotti della Ricerca" are restricted access unless otherwise indicated for specific documents