Lipase activity and antioxidant capacity in coffee (Coffea arabica L.) seeds during germination

Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 219-220(2014) vom: 25. Apr., Seite 19-25
1. Verfasser: Patui, Sonia (VerfasserIn)
Weitere Verfasser: Clincon, Luisa, Peresson, Carlo, Zancani, Marco, Conte, Lanfranco, Del Terra, Lorenzo, Navarini, Luciano, Vianello, Angelo, Braidot, Enrico
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Coffee seed Free fatty acids Germination Lipase Oxidative stress Parchment Antioxidants Plant Proteins EC 3.1.1.3
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520 |a In this paper, lipase activity was characterized in coffee (Coffea arabica L.) seeds to determine its involvement in lipid degradation during germination. The lipase activity, evaluated by a colorimetric method, was already present before imbibition of seeds and was further induced during the germination process. The activity showed a biphasic behaviour, which was similar in seeds either with or without endocarp (parchment), even though the phenomenon showed a delay in the former. The enzymatic activity was inhibited by tetrahydrolipstatin (THL), a selective and irreversible inhibitor of lipases, and by a polyclonal antibody raised against purified alkaline lipase from castor bean. The immunochemical analysis evidenced a protein of ca. 60 kDa, cross-reacting with an anti-lipase antibody, in coffee samples obtained from seeds of both types. Gas chromatographic analyses of free fatty acid (FFA) content confirmed the differences shown in the lipolytic activity of the samples with or without parchment, since FFA levels increased more rapidly in samples without parchment. Finally, the analyses of the antioxidant capacity showed that the presence of parchment was crucial for lowering the oxidation of the lipophylic fraction, being the seeds with parchment less prone to oxidation processes 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Coffee seed 
650 4 |a Free fatty acids 
650 4 |a Germination 
650 4 |a Lipase 
650 4 |a Oxidative stress 
650 4 |a Parchment 
650 7 |a Antioxidants  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Lipase  |2 NLM 
650 7 |a EC 3.1.1.3  |2 NLM 
700 1 |a Clincon, Luisa  |e verfasserin  |4 aut 
700 1 |a Peresson, Carlo  |e verfasserin  |4 aut 
700 1 |a Zancani, Marco  |e verfasserin  |4 aut 
700 1 |a Conte, Lanfranco  |e verfasserin  |4 aut 
700 1 |a Del Terra, Lorenzo  |e verfasserin  |4 aut 
700 1 |a Navarini, Luciano  |e verfasserin  |4 aut 
700 1 |a Vianello, Angelo  |e verfasserin  |4 aut 
700 1 |a Braidot, Enrico  |e verfasserin  |4 aut 
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773 1 8 |g volume:219-220  |g year:2014  |g day:25  |g month:04  |g pages:19-25 
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