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Impact of structural and textural membrane properties on lemon juice clarification

Paper ID Volume ID Publish Year Pages File Format Full-Text
19284 43057 2013 7 PDF Available
Title
Impact of structural and textural membrane properties on lemon juice clarification
Abstract

Lemon juice was clarified using membranes with different structural and textural properties. Membranes were prepared from 0, 5, 7 and 10 wt.% of PVP in PVDF and they were structurally and functionally characterized. Results indicated that the addition of PVP produced both structural and surface textural changes in the membranes. These textural changes resulted in an increase of apparent hydrophobicity in the membranes prepared from 5 and 7% of PVP in the casting solution. Besides, the presence of residual PVP in the membrane favors hesperidin adsorption enhancing its retention. Analysis of the clarified juice indicated that the membrane prepared with 5% of PVP possessed the highest efficiency, combining high permeate flux and high juice quality.

► Lemon juice clarification under the effects of membranes with different structural and textural properties was studied. ► The aggregate of additive PVP produced both structural and surface textural changes in the membranes. ► Textural changes resulted in an increase of apparent hydrophobicity. ► PVP in the membrane generates interactions which favors hesperidin absorption enhancing its retention. ► Membrane prepared with 5 wt.% of PVP possessed the highest efficiency, combining high permeate flux and high juice quality.

Keywords
Lemon juice; Clarification; Ultrafiltration; Roughness; Membrane
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 91, Issue 2, April 2013, Pages 67–73
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us