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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2010.05.004
|2 doi
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|a pubmed25n0668.xml
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|a eng
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|a Panzanaro, S
|e verfasserin
|4 aut
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|a Biochemical characterization of a lipase from olive fruit (Olea europaea L.)
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 09.02.2011
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a 2010 Elsevier Masson SAS. All rights reserved.
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|a Lipase (triacylglycerol acylhydrolase; EC 3.1.1.3) is the first enzyme of the degradation path of stored triacylglycerols (TAGs). In olive fruits, lipase may determine the increase of free fatty acids (FFAs) which level is an important index of virgin olive oil quality. However, despite the importance of virgin olive oil for nutrition and human health, few studies have been realized on lipase activity in Olea europaea fruits. In order to characterize olive lipase, fruits of the cv. Ogliarola, widely diffused in Salento area (Puglia, Italy), were harvested at four stages of ripening according to their skin colour (green, spotted I, spotted II, purple). Lipase activity was detected in the fatty layer obtained after centrifugation of the olive mesocarp homogenate. The enzyme exhibited a maximum activity at pH 5.0. The addition of calcium in the lipase assay medium leads to an increment of activity, whereas in the presence of copper the activity was reduced by 75%. Furthermore, mesocarp lipase activity increases during olive development but declined at maturity (purple stage). The data represent the first contribution to the biochemical characterization of an olive fruit lipase associated to oil bodies
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Fatty Acids
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Triglycerides
|2 NLM
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|a Oleic Acid
|2 NLM
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|a 2UMI9U37CP
|2 NLM
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|a Lipase
|2 NLM
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|a EC 3.1.1.3
|2 NLM
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|a Calcium Chloride
|2 NLM
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| 650 |
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|a M4I0D6VV5M
|2 NLM
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1 |
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|a Nutricati, E
|e verfasserin
|4 aut
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|a Miceli, A
|e verfasserin
|4 aut
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|a De Bellis, L
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 48(2010), 9 vom: 01. Sept., Seite 741-5
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:48
|g year:2010
|g number:9
|g day:01
|g month:09
|g pages:741-5
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|u http://dx.doi.org/10.1016/j.plaphy.2010.05.004
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