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Fractionation of tomato pomace by sedimentation as a strategy to increase lycopene extraction yield
Authors: Silva, Yasmini Portes Abraham, Brooks, Marianne Su-Ling, Ferreira, Tania Aparecida Pinto de Castro
Identifier: CSBE17145
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Published in: CSBE-SCGAB Technical Conferences » AGM Winnipeg 2017 (with CIGR VI Technical Symposium)
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Description: Tomato pomace, an industrial by-product, was collected at a tomato processing plant and fractioned into skin and seed fractions by a batch sedimentation process. In the first step, the pomace was soaked in water at a solid:water ratio (v/v) of 1:5 for 5 minutes, forming an upper layer (mostly skins) and bottom layer (seeds). Each layer was collected and soaked separately in water (1:4 ratio of solid:water) for 3 minutes, and the soaking was repeated for the new layers for another 2 minutes. The upper layers were combined to form the skin fraction, and bottom layers formed the seed fraction. The whole pomace as well as skin and seed fractions were analyzed for CIELAB color parameters (L*, a* and b*). The samples were also freeze-dried for lycopene extraction by ultrasound-assisted solvent extraction (frequency of 40 kHz, hexane:acetone (1:1) as solvent, solvent:solid ratio of 20:1 (mL/g), 20
Keywords: by-product, waste, CIELAB, ultrasound, carotenoids
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Date: 2017-08-07
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Conference name: CSBE/SCGAB 2017 Annual Conference, Canad Inns Polo Park, Winnipeg, Manitoba, 6-10 August 2017.
Session name: Poster Session
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Type: Text.Article
Format: PDF
Publication type: Technical conference
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
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DOI:
Description: Tomato pomace, an industrial by-product, was collected at a tomato processing plant and fractioned into skin and seed fractions by a batch sedimentation process. In the first step, the pomace was soaked in water at a solid:water ratio (v/v) of 1:5 for 5 minutes, forming an upper layer (mostly skins) and bottom layer (seeds). Each layer was collected and soaked separately in water (1:4 ratio of solid:water) for 3 minutes, and the soaking was repeated for the new layers for another 2 minutes. The upper layers were combined to form the skin fraction, and bottom layers formed the seed fraction. The whole pomace as well as skin and seed fractions were analyzed for CIELAB color parameters (L*, a* and b*). The samples were also freeze-dried for lycopene extraction by ultrasound-assisted solvent extraction (frequency of 40 kHz, hexane:acetone (1:1) as solvent, solvent:solid ratio of 20:1 (mL/g), 20
Keywords: by-product, waste, CIELAB, ultrasound, carotenoids
Résumé:
Mots-clés:
Citation:
Volume:
Issue:
Pages -
Contributor:
Date: 2017-08-07
Technical field:
Conference name: CSBE/SCGAB 2017 Annual Conference, Canad Inns Polo Park, Winnipeg, Manitoba, 6-10 August 2017.
Session name: Poster Session
Other information:
Type: Text.Article
Format: PDF
Publication type: Technical conference
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
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