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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2019.03.031
|2 doi
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|a pubmed25n0989.xml
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|a (DE-627)NLM296987352
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|a (NLM)31079623
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|a (PII)S0956-053X(19)30163-1
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Garrido, Tania
|e verfasserin
|4 aut
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|a Optimizing the extraction process of natural antioxidants from chardonnay grape marc using microwave-assisted extraction
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|c 2019
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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
|b cr
|2 rdacarrier
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|a Date Completed 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Ltd. All rights reserved.
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|a The aim of this work was to extract phenolic compounds from Chardonnay grape marc employing a microwave-assisted extraction (MAE). Firstly, the effect of solvent concentration (30-60%), solid mass (1.0-2.0 g) and extraction time (5-15 min) on the recovery of phenolic content and antioxidant capacity was evaluated using a response surface methodology (RSM). The optimal parameters found by RSM were 48% ethanol for the solvent content, 10 min for the extraction time, and 1.77 g for the solid mass. The extraction was carried out at room temperature to increase scaling-up opportunities at industrial level. It was found that the phenolic profile was mainly composed of flavanols, such as procyanidins, catechin and epicatechin. Furthermore, the polyphenols obtained by MAE showed a DPPH· inhibition value of 87 ± 5% and the total phenolic content was 1.21 ± 0.04 mg GAE/mL. Finally, it was observed that the degradation temperature of the extract (≈ 200 °C) was above the temperature commonly used for the manufacture of protein films by thermo-mechanical processes. This highlights the potential use of this extract as a bioactive additive in protein film forming formulations for food and pharmaceutical applications
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|a Journal Article
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|a Antioxidant capacity
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|a Efficient extraction
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|a Grape marc
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|a Microwave-assisted technology
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|a Phenolic compounds
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|a Valorisation
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|a Antioxidants
|2 NLM
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|a Plant Extracts
|2 NLM
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|a Polyphenols
|2 NLM
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| 700 |
1 |
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|a Gizdavic-Nikolaidis, Marija
|e verfasserin
|4 aut
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| 700 |
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|a Leceta, Itsaso
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Urdanpilleta, Marta
|e verfasserin
|4 aut
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| 700 |
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|a Guerrero, Pedro
|e verfasserin
|4 aut
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|a de la Caba, Koro
|e verfasserin
|4 aut
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| 700 |
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|a Kilmartin, Paul A
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 88(2019) vom: 01. Apr., Seite 110-117
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
1 |
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|g volume:88
|g year:2019
|g day:01
|g month:04
|g pages:110-117
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|u http://dx.doi.org/10.1016/j.wasman.2019.03.031
|3 Volltext
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